diff --git a/BUILD b/BUILD
index 68ad690..f099db7 100644
--- a/BUILD
+++ b/BUILD
@@ -38,8 +38,5 @@
     visibility = ["//visibility:public"],
     exports = PLUGIN_DEPS + PLUGIN_TEST_DEPS + [
         ":slack-integration__plugin",
-        "@mockito//jar",
-        "@powermock_module_junit4//jar",
-        "@powermock_api_mockito//jar",
     ],
 )
diff --git a/README.md b/README.md
index 2007a3d..e9ecfed 100644
--- a/README.md
+++ b/README.md
@@ -107,6 +107,10 @@
     ignore-private-patch-set - boolean (true/false)
         Whether any Slack notifications regarding a private change shouldn't
         be published (defaults to true).
+    ignore-comment-author - Pattern
+        A "dotall" enabled regular expression pattern that, when matches
+        against the comment author username, will prevent the publishing
+        of comment added event messages (defaults to an empty string).
     publish-on-patch-set-created - boolean (true/false)
         Whether a Slack notification should be published when a new patch set
         is created.
diff --git a/WORKSPACE b/WORKSPACE
index 7bd3389..d573998 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "c40247e30381ddc4a90ef99d749a9161ac4d064b",
+    commit = "15eae2ee5cd524a204bd62c3d59bfd0ce86916ec",
     #local_path = "/home/<user>/projects/bazlets"
 )
 
@@ -24,7 +24,3 @@
 
 # Load release Plugin API
 gerrit_api()
-
-load("//:external_plugin_deps.bzl", "external_plugin_deps")
-
-external_plugin_deps()
diff --git a/external_plugin_deps.bzl b/external_plugin_deps.bzl
deleted file mode 100644
index 5e4c4c7..0000000
--- a/external_plugin_deps.bzl
+++ /dev/null
@@ -1,22 +0,0 @@
-load("//tools/bzl:maven_jar.bzl", "maven_jar")
-
-def external_plugin_deps():
-    POWER_MOCK_VERSION = "1.6.2"
-
-    maven_jar(
-        name = "powermock_module_junit4",
-        artifact = "org.powermock:powermock-module-junit4:" + POWER_MOCK_VERSION,
-        sha1 = "dff58978da716e000463bc1b08013d6a7cf3d696",
-    )
-
-    maven_jar(
-        name = "powermock_api_mockito",
-        artifact = "org.powermock:powermock-api-mockito:" + POWER_MOCK_VERSION,
-        sha1 = "c213230ae20a7b422f3d622a261d0e3427d2464c",
-    )
-
-    maven_jar(
-        name = "mockito",
-        artifact = "org.mockito:mockito-all:1.10.19",
-        sha1 = "539df70269cc254a58cccc5d8e43286b4a73bf30",
-    )
diff --git a/src/main/java/com/cisco/gerrit/plugins/slack/config/ProjectConfig.java b/src/main/java/com/cisco/gerrit/plugins/slack/config/ProjectConfig.java
index 088cc4f..542aa01 100644
--- a/src/main/java/com/cisco/gerrit/plugins/slack/config/ProjectConfig.java
+++ b/src/main/java/com/cisco/gerrit/plugins/slack/config/ProjectConfig.java
@@ -43,6 +43,7 @@
   private boolean ignoreUnchangedPatchSet;
   private boolean ignoreWorkInProgressPatchSet;
   private boolean ignorePrivatePatchSet;
+  private String ignoreCommentAuthor;
   private boolean publishOnPatchSetCreated;
   private boolean publishOnChangeMerged;
   private boolean publishOnCommentAdded;
@@ -108,6 +109,11 @@
               .getFromProjectConfigWithInheritance(projectNameKey, CONFIG_NAME)
               .getBoolean("ignore-private-patch-set", true);
 
+      ignoreCommentAuthor =
+          configFactory
+              .getFromProjectConfigWithInheritance(projectNameKey, CONFIG_NAME)
+              .getString("ignore-comment-author", "");
+
       publishOnPatchSetCreated =
           configFactory
               .getFromProjectConfigWithInheritance(projectNameKey, CONFIG_NAME)
@@ -184,6 +190,10 @@
     return ignorePrivatePatchSet;
   }
 
+  public String getIgnoreCommentAuthor() {
+    return ignoreCommentAuthor;
+  }
+
   public boolean shouldPublishOnPatchSetCreated() {
     return publishOnPatchSetCreated;
   }
diff --git a/src/main/java/com/cisco/gerrit/plugins/slack/message/CommentAddedMessageGenerator.java b/src/main/java/com/cisco/gerrit/plugins/slack/message/CommentAddedMessageGenerator.java
index 2e2a1eb..6f8775a 100644
--- a/src/main/java/com/cisco/gerrit/plugins/slack/message/CommentAddedMessageGenerator.java
+++ b/src/main/java/com/cisco/gerrit/plugins/slack/message/CommentAddedMessageGenerator.java
@@ -22,6 +22,8 @@
 import com.cisco.gerrit.plugins.slack.config.ProjectConfig;
 import com.google.gerrit.server.data.ChangeAttribute;
 import com.google.gerrit.server.events.CommentAddedEvent;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -72,7 +74,23 @@
       LOGGER.warn("Error checking private and work-in-progress status", e);
     }
 
-    return true;
+    boolean result;
+    result = true;
+
+    try {
+      Pattern pattern;
+      pattern = Pattern.compile(config.getIgnoreCommentAuthor(), Pattern.DOTALL);
+
+      Matcher matcher;
+      matcher = pattern.matcher(event.author.get().username);
+
+      // If the ignore pattern matches, publishing should not happen
+      result = !matcher.matches();
+    } catch (Exception e) {
+      LOGGER.warn("The specified ignore-comment-author pattern was invalid", e);
+    }
+
+    return result;
   }
 
   @Override
diff --git a/src/test/java/com/cisco/gerrit/plugins/slack/client/WebhookClientIntegrationTest.java b/src/test/java/com/cisco/gerrit/plugins/slack/client/WebhookClientIntegrationTest.java
index b5e8011..f8c01e4 100644
--- a/src/test/java/com/cisco/gerrit/plugins/slack/client/WebhookClientIntegrationTest.java
+++ b/src/test/java/com/cisco/gerrit/plugins/slack/client/WebhookClientIntegrationTest.java
@@ -29,28 +29,14 @@
 import com.google.gerrit.server.config.PluginConfigFactory;
 import java.io.InputStream;
 import java.util.Properties;
-import org.junit.Before;
 import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.powermock.api.mockito.PowerMockito;
-import org.powermock.core.classloader.annotations.PrepareForTest;
-import org.powermock.modules.junit4.PowerMockRunner;
 
-@RunWith(PowerMockRunner.class)
-@PrepareForTest({Project.NameKey.class})
 public class WebhookClientIntegrationTest {
   private static final String PROJECT_NAME = "test-project";
 
-  private Project.NameKey mockNameKey = mock(Project.NameKey.class);
   private PluginConfigFactory mockConfigFactory = mock(PluginConfigFactory.class);
   private PluginConfig mockPluginConfig = mock(PluginConfig.class);
 
-  @Before
-  public void setup() throws Exception {
-    PowerMockito.mockStatic(Project.NameKey.class);
-    when(Project.NameKey.parse(PROJECT_NAME)).thenReturn(mockNameKey);
-  }
-
   private ProjectConfig getConfig() throws Exception {
     Project.NameKey projectNameKey;
     projectNameKey = Project.NameKey.parse(PROJECT_NAME);
diff --git a/src/test/java/com/cisco/gerrit/plugins/slack/config/ProjectConfigTest.java b/src/test/java/com/cisco/gerrit/plugins/slack/config/ProjectConfigTest.java
index efd5c6f..ccab779 100644
--- a/src/test/java/com/cisco/gerrit/plugins/slack/config/ProjectConfigTest.java
+++ b/src/test/java/com/cisco/gerrit/plugins/slack/config/ProjectConfigTest.java
@@ -29,19 +29,11 @@
 import com.google.gerrit.server.config.PluginConfigFactory;
 import org.junit.Before;
 import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.powermock.api.mockito.PowerMockito;
-import org.powermock.core.classloader.annotations.PrepareForTest;
-import org.powermock.modules.junit4.PowerMockRunner;
 
 /** Tests for the PluginConfig class. */
-@RunWith(PowerMockRunner.class)
-@PrepareForTest({Project.NameKey.class})
 public class ProjectConfigTest {
   private static final String PROJECT_NAME = "test-project";
 
-  private Project.NameKey mockNameKey = mock(Project.NameKey.class);
-
   private PluginConfigFactory mockConfigFactory = mock(PluginConfigFactory.class);
 
   private PluginConfig mockPluginConfig = mock(PluginConfig.class);
@@ -50,9 +42,6 @@
 
   @Before
   public void setup() throws Exception {
-    PowerMockito.mockStatic(Project.NameKey.class);
-    when(Project.NameKey.parse(PROJECT_NAME)).thenReturn(mockNameKey);
-
     Project.NameKey projectNameKey;
     projectNameKey = Project.NameKey.parse(PROJECT_NAME);
 
@@ -69,6 +58,7 @@
     when(mockPluginConfig.getString("channel", "general")).thenReturn("test-channel");
     when(mockPluginConfig.getString("username", "gerrit")).thenReturn("test-user");
     when(mockPluginConfig.getString("ignore", "")).thenReturn("^WIP.*");
+    when(mockPluginConfig.getString("ignore-comment-author", "")).thenReturn("^jenkins.*");
     when(mockPluginConfig.getBoolean("publish-on-patch-set-created", true)).thenReturn(true);
     when(mockPluginConfig.getBoolean("publish-on-change-merged", true)).thenReturn(true);
     when(mockPluginConfig.getBoolean("publish-on-comment-added", true)).thenReturn(true);
@@ -98,6 +88,11 @@
   }
 
   @Test
+  public void testGetIgnoreCommentAuthor() throws Exception {
+    assertThat(config.getIgnoreCommentAuthor(), is(equalTo("^jenkins.*")));
+  }
+
+  @Test
   public void testShouldPublishOnPatchSetCreated() throws Exception {
     assertThat(config.shouldPublishOnPatchSetCreated(), is(equalTo(true)));
   }
diff --git a/src/test/java/com/cisco/gerrit/plugins/slack/message/ChangeMergedMessageGeneratorTest.java b/src/test/java/com/cisco/gerrit/plugins/slack/message/ChangeMergedMessageGeneratorTest.java
index 303b7f3..269c502 100644
--- a/src/test/java/com/cisco/gerrit/plugins/slack/message/ChangeMergedMessageGeneratorTest.java
+++ b/src/test/java/com/cisco/gerrit/plugins/slack/message/ChangeMergedMessageGeneratorTest.java
@@ -31,24 +31,15 @@
 import com.google.gerrit.server.data.AccountAttribute;
 import com.google.gerrit.server.data.ChangeAttribute;
 import com.google.gerrit.server.events.ChangeMergedEvent;
-import org.junit.Before;
 import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.powermock.api.mockito.PowerMockito;
-import org.powermock.core.classloader.annotations.PrepareForTest;
-import org.powermock.modules.junit4.PowerMockRunner;
 
 /**
  * Tests for the ChangeMergedMessageGeneratorTest class. The expected behavior is that the
  * ChangeMergedMessageGenerator should publish regardless of a configured ignore pattern.
  */
-@RunWith(PowerMockRunner.class)
-@PrepareForTest({Project.NameKey.class})
 public class ChangeMergedMessageGeneratorTest {
   private static final String PROJECT_NAME = "test-project";
 
-  private Project.NameKey mockNameKey = mock(Project.NameKey.class);
-
   private PluginConfigFactory mockConfigFactory = mock(PluginConfigFactory.class);
 
   private PluginConfig mockPluginConfig = mock(PluginConfig.class);
@@ -57,12 +48,6 @@
   private AccountAttribute mockAccount = mock(AccountAttribute.class);
   private ChangeAttribute mockChange = mock(ChangeAttribute.class);
 
-  @Before
-  public void setup() throws Exception {
-    PowerMockito.mockStatic(Project.NameKey.class);
-    when(Project.NameKey.parse(PROJECT_NAME)).thenReturn(mockNameKey);
-  }
-
   private ProjectConfig getConfig(boolean publishOnChangeMerged) throws Exception {
     Project.NameKey projectNameKey;
     projectNameKey = Project.NameKey.parse(PROJECT_NAME);
diff --git a/src/test/java/com/cisco/gerrit/plugins/slack/message/CommentAddedMessageGeneratorTest.java b/src/test/java/com/cisco/gerrit/plugins/slack/message/CommentAddedMessageGeneratorTest.java
index 159993a..f2b7e5f 100644
--- a/src/test/java/com/cisco/gerrit/plugins/slack/message/CommentAddedMessageGeneratorTest.java
+++ b/src/test/java/com/cisco/gerrit/plugins/slack/message/CommentAddedMessageGeneratorTest.java
@@ -31,24 +31,15 @@
 import com.google.gerrit.server.data.AccountAttribute;
 import com.google.gerrit.server.data.ChangeAttribute;
 import com.google.gerrit.server.events.CommentAddedEvent;
-import org.junit.Before;
 import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.powermock.api.mockito.PowerMockito;
-import org.powermock.core.classloader.annotations.PrepareForTest;
-import org.powermock.modules.junit4.PowerMockRunner;
 
 /**
  * Tests for the CommentAddedMessageGeneratorTest class. The expected behavior is that the
  * CommentAddedMessageGeneratorTest should publish regardless of a configured ignore pattern.
  */
-@RunWith(PowerMockRunner.class)
-@PrepareForTest({Project.NameKey.class})
 public class CommentAddedMessageGeneratorTest {
   private static final String PROJECT_NAME = "test-project";
 
-  private Project.NameKey mockNameKey = mock(Project.NameKey.class);
-
   private PluginConfigFactory mockConfigFactory = mock(PluginConfigFactory.class);
 
   private PluginConfig mockPluginConfig = mock(PluginConfig.class);
@@ -58,12 +49,6 @@
   private ChangeAttribute mockChange = mock(ChangeAttribute.class);
   private AccountAttribute mockOwner = mock(AccountAttribute.class);
 
-  @Before
-  public void setup() throws Exception {
-    PowerMockito.mockStatic(Project.NameKey.class);
-    when(Project.NameKey.parse(PROJECT_NAME)).thenReturn(mockNameKey);
-  }
-
   private ProjectConfig getConfig(
       boolean publishOnCommentAdded,
       boolean ignoreWorkInProgressPatchSet,
@@ -85,6 +70,7 @@
     when(mockPluginConfig.getString("channel", "general")).thenReturn("testchannel");
     when(mockPluginConfig.getString("username", "gerrit")).thenReturn("testuser");
     when(mockPluginConfig.getString("ignore", "")).thenReturn("^WIP.*");
+    when(mockPluginConfig.getString("ignore-comment-author", "")).thenReturn("^jenkins.*");
     when(mockPluginConfig.getBoolean("publish-on-comment-added", true))
         .thenReturn(publishOnCommentAdded);
     when(mockPluginConfig.getBoolean("ignore-wip-patch-set", true))
@@ -238,6 +224,21 @@
   }
 
   @Test
+  public void doesNotPublishWhenIgnoreAuthorMatches() throws Exception {
+    // Setup mocks
+    ProjectConfig config = getConfig();
+    mockEvent.change = Suppliers.ofInstance(mockChange);
+    mockEvent.author = Suppliers.ofInstance(mockAccount);
+    mockAccount.username = "jenkins";
+
+    // Test
+    MessageGenerator messageGenerator;
+    messageGenerator = MessageGeneratorFactory.newInstance(mockEvent, config);
+
+    assertThat(messageGenerator.shouldPublish(), is(false));
+  }
+
+  @Test
   public void generatesExpectedMessage() throws Exception {
     // Setup mocks
     ProjectConfig config = getConfig();
diff --git a/src/test/java/com/cisco/gerrit/plugins/slack/message/PatchSetCreatedMessageGeneratorTest.java b/src/test/java/com/cisco/gerrit/plugins/slack/message/PatchSetCreatedMessageGeneratorTest.java
index 64cbc70..ed47473 100644
--- a/src/test/java/com/cisco/gerrit/plugins/slack/message/PatchSetCreatedMessageGeneratorTest.java
+++ b/src/test/java/com/cisco/gerrit/plugins/slack/message/PatchSetCreatedMessageGeneratorTest.java
@@ -33,16 +33,9 @@
 import com.google.gerrit.server.data.ChangeAttribute;
 import com.google.gerrit.server.data.PatchSetAttribute;
 import com.google.gerrit.server.events.PatchSetCreatedEvent;
-import org.junit.Before;
 import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.powermock.api.mockito.PowerMockito;
-import org.powermock.core.classloader.annotations.PrepareForTest;
-import org.powermock.modules.junit4.PowerMockRunner;
 
 /** Tests for the PatchSetCreatedMessageGeneratorTest class. */
-@RunWith(PowerMockRunner.class)
-@PrepareForTest({Project.NameKey.class})
 public class PatchSetCreatedMessageGeneratorTest {
   private static final String PROJECT_NAME = "test-project";
 
@@ -57,12 +50,6 @@
   private ChangeAttribute mockChange = mock(ChangeAttribute.class);
   private PatchSetAttribute mockPatchSet = mock(PatchSetAttribute.class);
 
-  @Before
-  public void setup() throws Exception {
-    PowerMockito.mockStatic(Project.NameKey.class);
-    when(Project.NameKey.parse(PROJECT_NAME)).thenReturn(mockNameKey);
-  }
-
   private ProjectConfig getConfig(
       String ignore,
       boolean publishOnPatchSetCreated,
diff --git a/src/test/java/com/cisco/gerrit/plugins/slack/message/PrivateStateChangedGeneratorTest.java b/src/test/java/com/cisco/gerrit/plugins/slack/message/PrivateStateChangedGeneratorTest.java
index c9684cb..f2695cf 100644
--- a/src/test/java/com/cisco/gerrit/plugins/slack/message/PrivateStateChangedGeneratorTest.java
+++ b/src/test/java/com/cisco/gerrit/plugins/slack/message/PrivateStateChangedGeneratorTest.java
@@ -31,24 +31,15 @@
 import com.google.gerrit.server.data.AccountAttribute;
 import com.google.gerrit.server.data.ChangeAttribute;
 import com.google.gerrit.server.events.PrivateStateChangedEvent;
-import org.junit.Before;
 import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.powermock.api.mockito.PowerMockito;
-import org.powermock.core.classloader.annotations.PrepareForTest;
-import org.powermock.modules.junit4.PowerMockRunner;
 
 /**
  * Tests for the PrivateStateChangedGenerator class. The expected behavior is that the
  * PrivateStateChangedGenerator should publish when the state changes.
  */
-@RunWith(PowerMockRunner.class)
-@PrepareForTest({Project.NameKey.class})
 public class PrivateStateChangedGeneratorTest {
   private static final String PROJECT_NAME = "test-project";
 
-  private Project.NameKey mockNameKey = mock(Project.NameKey.class);
-
   private PluginConfigFactory mockConfigFactory = mock(PluginConfigFactory.class);
 
   private PluginConfig mockPluginConfig = mock(PluginConfig.class);
@@ -57,12 +48,6 @@
   private AccountAttribute mockAccount = mock(AccountAttribute.class);
   private ChangeAttribute mockChange = mock(ChangeAttribute.class);
 
-  @Before
-  public void setup() throws Exception {
-    PowerMockito.mockStatic(Project.NameKey.class);
-    when(Project.NameKey.parse(PROJECT_NAME)).thenReturn(mockNameKey);
-  }
-
   private ProjectConfig getConfig(boolean publishOnPrivateToPublic) throws Exception {
     Project.NameKey projectNameKey;
     projectNameKey = Project.NameKey.parse(PROJECT_NAME);
diff --git a/src/test/java/com/cisco/gerrit/plugins/slack/message/ReviewerAddedMessageGeneratorTest.java b/src/test/java/com/cisco/gerrit/plugins/slack/message/ReviewerAddedMessageGeneratorTest.java
index c41c92e..ebd6816 100644
--- a/src/test/java/com/cisco/gerrit/plugins/slack/message/ReviewerAddedMessageGeneratorTest.java
+++ b/src/test/java/com/cisco/gerrit/plugins/slack/message/ReviewerAddedMessageGeneratorTest.java
@@ -31,25 +31,16 @@
 import com.google.gerrit.server.data.AccountAttribute;
 import com.google.gerrit.server.data.ChangeAttribute;
 import com.google.gerrit.server.events.ReviewerAddedEvent;
-import org.junit.Before;
 import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.powermock.api.mockito.PowerMockito;
-import org.powermock.core.classloader.annotations.PrepareForTest;
-import org.powermock.modules.junit4.PowerMockRunner;
 
 /**
  * Tests for the ReviewerAddedMessageGeneratorTest class. The expected behavior is that the
  * ReviewerAddedMessageGeneratorTest should publish if both the plugin and publish-on-reviewer-added
  * are enabled.
  */
-@RunWith(PowerMockRunner.class)
-@PrepareForTest({Project.NameKey.class})
 public class ReviewerAddedMessageGeneratorTest {
   private static final String PROJECT_NAME = "test-project";
 
-  private Project.NameKey mockNameKey = mock(Project.NameKey.class);
-
   private PluginConfigFactory mockConfigFactory = mock(PluginConfigFactory.class);
 
   private PluginConfig mockPluginConfig = mock(PluginConfig.class);
@@ -58,12 +49,6 @@
   private AccountAttribute mockAccount = mock(AccountAttribute.class);
   private ChangeAttribute mockChange = mock(ChangeAttribute.class);
 
-  @Before
-  public void setup() throws Exception {
-    PowerMockito.mockStatic(Project.NameKey.class);
-    when(Project.NameKey.parse(PROJECT_NAME)).thenReturn(mockNameKey);
-  }
-
   private ProjectConfig getConfig(
       boolean publishOnReviewerAdded,
       boolean ignoreWorkInProgressPatchSet,
diff --git a/src/test/java/com/cisco/gerrit/plugins/slack/message/WorkInProgressStateChangedGeneratorTest.java b/src/test/java/com/cisco/gerrit/plugins/slack/message/WorkInProgressStateChangedGeneratorTest.java
index 33accac..afa7211 100644
--- a/src/test/java/com/cisco/gerrit/plugins/slack/message/WorkInProgressStateChangedGeneratorTest.java
+++ b/src/test/java/com/cisco/gerrit/plugins/slack/message/WorkInProgressStateChangedGeneratorTest.java
@@ -31,19 +31,12 @@
 import com.google.gerrit.server.data.AccountAttribute;
 import com.google.gerrit.server.data.ChangeAttribute;
 import com.google.gerrit.server.events.WorkInProgressStateChangedEvent;
-import org.junit.Before;
 import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.powermock.api.mockito.PowerMockito;
-import org.powermock.core.classloader.annotations.PrepareForTest;
-import org.powermock.modules.junit4.PowerMockRunner;
 
 /**
  * Tests for the WorkInProgressStateChangedGenerator class. The expected behavior is that the
  * WorkInProgressStateChangedGenerator should publish when the state changes.
  */
-@RunWith(PowerMockRunner.class)
-@PrepareForTest({Project.NameKey.class})
 public class WorkInProgressStateChangedGeneratorTest {
   private static final String PROJECT_NAME = "test-project";
 
@@ -57,12 +50,6 @@
   private AccountAttribute mockAccount = mock(AccountAttribute.class);
   private ChangeAttribute mockChange = mock(ChangeAttribute.class);
 
-  @Before
-  public void setup() throws Exception {
-    PowerMockito.mockStatic(Project.NameKey.class);
-    when(Project.NameKey.parse(PROJECT_NAME)).thenReturn(mockNameKey);
-  }
-
   private ProjectConfig getConfig(boolean publishOnWipReady) throws Exception {
     Project.NameKey projectNameKey;
     projectNameKey = Project.NameKey.parse(PROJECT_NAME);