diff --git a/pom.xml b/pom.xml
index 4687136..7fd4fa6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 
     <groupId>com.gerritforge</groupId>
     <artifactId>global-refdb</artifactId>
-    <version>3.5.1</version>
+    <version>3.5.1.1</version>
     <packaging>jar</packaging>
 
     <name>global-refdb</name>
@@ -38,7 +38,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <gerrit.version>${project.version}</gerrit.version>
+        <gerrit.version>3.5.1</gerrit.version>
     </properties>
 
     <dependencies>
diff --git a/src/main/java/com/gerritforge/gerrit/globalrefdb/validation/Log4jSharedRefLogger.java b/src/main/java/com/gerritforge/gerrit/globalrefdb/validation/Log4jSharedRefLogger.java
index 7547cb7..3b4dbb2 100644
--- a/src/main/java/com/gerritforge/gerrit/globalrefdb/validation/Log4jSharedRefLogger.java
+++ b/src/main/java/com/gerritforge/gerrit/globalrefdb/validation/Log4jSharedRefLogger.java
@@ -29,6 +29,8 @@
 import com.google.inject.Inject;
 import com.google.inject.Singleton;
 import java.io.IOException;
+import org.apache.log4j.LogManager;
+import org.apache.log4j.Logger;
 import org.apache.log4j.PatternLayout;
 import org.eclipse.jgit.errors.IncorrectObjectTypeException;
 import org.eclipse.jgit.lib.Constants;
@@ -37,8 +39,6 @@
 import org.eclipse.jgit.lib.Repository;
 import org.eclipse.jgit.revwalk.RevCommit;
 import org.eclipse.jgit.revwalk.RevWalk;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 /**
  * Implementation of SharedRefLogger for Log4j. Logs to 'sharedref_log' file
@@ -66,7 +66,7 @@
   public Log4jSharedRefLogger(SystemLog systemLog, GitRepositoryManager gitRepositoryManager) {
     super(systemLog, LOG_NAME, new PatternLayout("[%d{ISO8601}] [%t] %-5p : %m%n"));
     this.gitRepositoryManager = gitRepositoryManager;
-    sharedRefDBLog = LoggerFactory.getLogger(LOG_NAME);
+    sharedRefDBLog = LogManager.getLogger(LOG_NAME);
   }
 
   /**
diff --git a/src/test/java/com/gerritforge/gerrit/globalrefdb/validation/Log4jSharedRefLoggerTest.java b/src/test/java/com/gerritforge/gerrit/globalrefdb/validation/Log4jSharedRefLoggerTest.java
index 2c89091..346edd7 100644
--- a/src/test/java/com/gerritforge/gerrit/globalrefdb/validation/Log4jSharedRefLoggerTest.java
+++ b/src/test/java/com/gerritforge/gerrit/globalrefdb/validation/Log4jSharedRefLoggerTest.java
@@ -29,6 +29,7 @@
 import java.nio.file.Files;
 import java.nio.file.Path;
 import org.apache.log4j.LogManager;
+import org.apache.log4j.Logger;
 import org.apache.log4j.PatternLayout;
 import org.apache.log4j.WriterAppender;
 import org.eclipse.jgit.lib.ObjectId;
@@ -36,8 +37,6 @@
 import org.eclipse.jgit.lib.Repository;
 import org.junit.Before;
 import org.junit.Test;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 public class Log4jSharedRefLoggerTest extends AbstractDaemonTest {
 
@@ -152,9 +151,9 @@
   }
 
   private Logger logWriterLogger() {
-    org.apache.log4j.Logger logger = LogManager.getLogger("logWriterLogger");
+    Logger logger = LogManager.getLogger("logWriterLogger");
     logger.addAppender(new WriterAppender(new PatternLayout("%m"), logWriter));
-    return LoggerFactory.getLogger("logWriterLogger");
+    return logger;
   }
 
   private static Path newPath() throws IOException {