diff --git a/docs/BUILD b/docs/BUILD
index 09480ac41..bf594739d 100644
--- a/docs/BUILD
+++ b/docs/BUILD
@@ -59,7 +59,7 @@ genrule(
 plugins = {
     "python": "v1.7.4",
     "java": "v0.4.2",
-    "go": "v1.21.4",
+    "go": "v1.21.5",
     "cc": "v0.4.0",
     "shell": "v0.2.0",
     "go-proto": "v0.3.0",
diff --git a/plugins/BUILD b/plugins/BUILD
index 1ccb69e32..bb591bca3 100644
--- a/plugins/BUILD
+++ b/plugins/BUILD
@@ -1,7 +1,7 @@
 plugin_repo(
     name = "go",
     plugin = "go-rules",
-    revision = "v1.21.4",
+    revision = "v1.21.5",
 )
 
 plugin_repo(
diff --git a/test/entry_point/test_repo/plugins/BUILD_FILE b/test/entry_point/test_repo/plugins/BUILD_FILE
index 15efac17d..f492afde3 100644
--- a/test/entry_point/test_repo/plugins/BUILD_FILE
+++ b/test/entry_point/test_repo/plugins/BUILD_FILE
@@ -7,5 +7,5 @@ plugin_repo(
 plugin_repo(
     name = "go",
     plugin = "go-rules",
-    revision = "v1.21.3",
+    revision = "v1.21.5",
 )
diff --git a/test/plugins/test_repo/plugins/BUILD_FILE b/test/plugins/test_repo/plugins/BUILD_FILE
index ddff0a9f1..995937627 100644
--- a/test/plugins/test_repo/plugins/BUILD_FILE
+++ b/test/plugins/test_repo/plugins/BUILD_FILE
@@ -6,5 +6,5 @@ plugin_repo(
 plugin_repo(
     name = "go",
     plugin = "go-rules",
-    revision = "v1.21.3",
+    revision = "v1.21.5",
 )
diff --git a/test/plz_exec/test_repo/plugins/BUILD_FILE b/test/plz_exec/test_repo/plugins/BUILD_FILE
index a7f298e90..7d8213ed3 100644
--- a/test/plz_exec/test_repo/plugins/BUILD_FILE
+++ b/test/plz_exec/test_repo/plugins/BUILD_FILE
@@ -6,5 +6,5 @@ plugin_repo(
 plugin_repo(
     name = "go",
     plugin = "go-rules",
-    revision = "v1.21.3",
+    revision = "v1.21.5",
 )
diff --git a/test/proto_plugin/test_repo/plugins/BUILD_FILE b/test/proto_plugin/test_repo/plugins/BUILD_FILE
index fa4bc375d..1cdae4cb3 100644
--- a/test/proto_plugin/test_repo/plugins/BUILD_FILE
+++ b/test/proto_plugin/test_repo/plugins/BUILD_FILE
@@ -6,7 +6,7 @@ plugin_repo(
 plugin_repo(
     name = "go",
     plugin = "go-rules",
-    revision = "v1.21.3",
+    revision = "v1.21.5",
 )
 
 plugin_repo(
diff --git a/tools/build_langserver/lsp/test_data/plugins/test.build b/tools/build_langserver/lsp/test_data/plugins/test.build
index 3717ead70..d8a4b2e66 100644
--- a/tools/build_langserver/lsp/test_data/plugins/test.build
+++ b/tools/build_langserver/lsp/test_data/plugins/test.build
@@ -1,5 +1,5 @@
 plugin_repo(
     name = "go",
     plugin = "go-rules",
-    revision = "v1.20.1",
+    revision = "v1.21.5",
 )