diff --git a/WORKSPACE b/WORKSPACE
index 5284ff6..3164542 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -825,8 +825,8 @@
 
 maven_jar(
     name = "httpcore",
-    artifact = "org.apache.httpcomponents:httpcore:4.4.12",
-    sha1 = "21ebaf6d532bc350ba95bd81938fa5f0e511c132",
+    artifact = "org.apache.httpcomponents:httpcore:4.4.4",
+    sha1 = "b31526a230871fbe285fbcbe2813f9c0839ae9b0",
 )
 
 # Test-only dependencies below.
diff --git a/java/com/google/gerrit/elasticsearch/ElasticVersion.java b/java/com/google/gerrit/elasticsearch/ElasticVersion.java
index c9323b2..bba1577 100644
--- a/java/com/google/gerrit/elasticsearch/ElasticVersion.java
+++ b/java/com/google/gerrit/elasticsearch/ElasticVersion.java
@@ -24,9 +24,7 @@
   V7_5("7.5.*"),
   V7_6("7.6.*"),
   V7_7("7.7.*"),
-  V7_8("7.8.*"),
-  V7_9("7.9.*"),
-  V7_10("7.10.*");
+  V7_8("7.8.*");
 
   private final String version;
   private final Pattern pattern;
diff --git a/javatests/com/google/gerrit/acceptance/pgm/ElasticReindexIT.java b/javatests/com/google/gerrit/acceptance/pgm/ElasticReindexIT.java
index 27b4527..f23cc10 100644
--- a/javatests/com/google/gerrit/acceptance/pgm/ElasticReindexIT.java
+++ b/javatests/com/google/gerrit/acceptance/pgm/ElasticReindexIT.java
@@ -26,7 +26,7 @@
 
   @ConfigSuite.Default
   public static Config elasticsearchV7() {
-    return getConfig(ElasticVersion.V7_10);
+    return getConfig(ElasticVersion.V7_8);
   }
 
   @Override
diff --git a/javatests/com/google/gerrit/acceptance/ssh/ElasticIndexIT.java b/javatests/com/google/gerrit/acceptance/ssh/ElasticIndexIT.java
index 36e564c..f35bcb7 100644
--- a/javatests/com/google/gerrit/acceptance/ssh/ElasticIndexIT.java
+++ b/javatests/com/google/gerrit/acceptance/ssh/ElasticIndexIT.java
@@ -28,7 +28,7 @@
 
   @ConfigSuite.Default
   public static Config elasticsearchV7() {
-    return getConfig(ElasticVersion.V7_10);
+    return getConfig(ElasticVersion.V7_8);
   }
 
   @Override
diff --git a/javatests/com/google/gerrit/elasticsearch/ElasticContainer.java b/javatests/com/google/gerrit/elasticsearch/ElasticContainer.java
index 96e728a..e8cf3e9 100644
--- a/javatests/com/google/gerrit/elasticsearch/ElasticContainer.java
+++ b/javatests/com/google/gerrit/elasticsearch/ElasticContainer.java
@@ -53,10 +53,6 @@
         return "blacktop/elasticsearch:7.7.1";
       case V7_8:
         return "blacktop/elasticsearch:7.8.1";
-      case V7_9:
-        return "blacktop/elasticsearch:7.9.3";
-      case V7_10:
-        return "blacktop/elasticsearch:7.10.1";
     }
     throw new IllegalStateException("No tests for version: " + version.name());
   }
diff --git a/javatests/com/google/gerrit/elasticsearch/ElasticV7QueryAccountsTest.java b/javatests/com/google/gerrit/elasticsearch/ElasticV7QueryAccountsTest.java
index ca61446..4826490 100644
--- a/javatests/com/google/gerrit/elasticsearch/ElasticV7QueryAccountsTest.java
+++ b/javatests/com/google/gerrit/elasticsearch/ElasticV7QueryAccountsTest.java
@@ -36,7 +36,7 @@
   public static void startIndexService() {
     if (container == null) {
       // Only start Elasticsearch once
-      container = ElasticContainer.createAndStart(ElasticVersion.V7_10);
+      container = ElasticContainer.createAndStart(ElasticVersion.V7_8);
     }
   }
 
diff --git a/javatests/com/google/gerrit/elasticsearch/ElasticV7QueryChangesTest.java b/javatests/com/google/gerrit/elasticsearch/ElasticV7QueryChangesTest.java
index c0f40a9..d9a4d2e 100644
--- a/javatests/com/google/gerrit/elasticsearch/ElasticV7QueryChangesTest.java
+++ b/javatests/com/google/gerrit/elasticsearch/ElasticV7QueryChangesTest.java
@@ -46,7 +46,7 @@
   public static void startIndexService() {
     if (container == null) {
       // Only start Elasticsearch once
-      container = ElasticContainer.createAndStart(ElasticVersion.V7_10);
+      container = ElasticContainer.createAndStart(ElasticVersion.V7_8);
       client = HttpAsyncClients.createDefault();
       client.start();
     }
diff --git a/javatests/com/google/gerrit/elasticsearch/ElasticV7QueryGroupsTest.java b/javatests/com/google/gerrit/elasticsearch/ElasticV7QueryGroupsTest.java
index 46fb6f0..0fc96f8 100644
--- a/javatests/com/google/gerrit/elasticsearch/ElasticV7QueryGroupsTest.java
+++ b/javatests/com/google/gerrit/elasticsearch/ElasticV7QueryGroupsTest.java
@@ -36,7 +36,7 @@
   public static void startIndexService() {
     if (container == null) {
       // Only start Elasticsearch once
-      container = ElasticContainer.createAndStart(ElasticVersion.V7_10);
+      container = ElasticContainer.createAndStart(ElasticVersion.V7_8);
     }
   }
 
diff --git a/javatests/com/google/gerrit/elasticsearch/ElasticV7QueryProjectsTest.java b/javatests/com/google/gerrit/elasticsearch/ElasticV7QueryProjectsTest.java
index ef2b644..1e56af9 100644
--- a/javatests/com/google/gerrit/elasticsearch/ElasticV7QueryProjectsTest.java
+++ b/javatests/com/google/gerrit/elasticsearch/ElasticV7QueryProjectsTest.java
@@ -36,7 +36,7 @@
   public static void startIndexService() {
     if (container == null) {
       // Only start Elasticsearch once
-      container = ElasticContainer.createAndStart(ElasticVersion.V7_10);
+      container = ElasticContainer.createAndStart(ElasticVersion.V7_8);
     }
   }
 
diff --git a/javatests/com/google/gerrit/elasticsearch/ElasticVersionTest.java b/javatests/com/google/gerrit/elasticsearch/ElasticVersionTest.java
index 85e8e9e..1ec8a5d 100644
--- a/javatests/com/google/gerrit/elasticsearch/ElasticVersionTest.java
+++ b/javatests/com/google/gerrit/elasticsearch/ElasticVersionTest.java
@@ -42,12 +42,6 @@
 
     assertThat(ElasticVersion.forVersion("7.8.0")).isEqualTo(ElasticVersion.V7_8);
     assertThat(ElasticVersion.forVersion("7.8.1")).isEqualTo(ElasticVersion.V7_8);
-
-    assertThat(ElasticVersion.forVersion("7.9.0")).isEqualTo(ElasticVersion.V7_9);
-    assertThat(ElasticVersion.forVersion("7.9.1")).isEqualTo(ElasticVersion.V7_9);
-
-    assertThat(ElasticVersion.forVersion("7.10.0")).isEqualTo(ElasticVersion.V7_10);
-    assertThat(ElasticVersion.forVersion("7.10.1")).isEqualTo(ElasticVersion.V7_10);
   }
 
   @Test
diff --git a/tools/nongoogle.bzl b/tools/nongoogle.bzl
index 05c9e2f..4b6c8ac 100644
--- a/tools/nongoogle.bzl
+++ b/tools/nongoogle.bzl
@@ -97,8 +97,8 @@
     # org.apache.httpcomponents dependencies in ../WORKSPACE.
     maven_jar(
         name = "elasticsearch-rest-client",
-        artifact = "org.elasticsearch.client:elasticsearch-rest-client:7.10.1",
-        sha1 = "b2e89d266c2c0039a69504f78c9230582ea095ee",
+        artifact = "org.elasticsearch.client:elasticsearch-rest-client:7.8.1",
+        sha1 = "59feefe006a96a39f83b0dfb6780847e06c1d0a8",
     )
 
     maven_jar(