diff --git a/changelog/updates/2024-08-12-go-1.21.13-update.md b/changelog/updates/2024-08-12-go-1.21.13-update.md
new file mode 100644
index 0000000000..0f5afa46c6
--- /dev/null
+++ b/changelog/updates/2024-08-12-go-1.21.13-update.md
@@ -0,0 +1 @@
+- Go ([1.21.13](https://go.dev/doc/devel/release#go1.21.13))
diff --git a/sdk_container/src/third_party/coreos-overlay/dev-lang/go/Manifest b/sdk_container/src/third_party/coreos-overlay/dev-lang/go/Manifest
index 0611adfb85..416a538b00 100644
--- a/sdk_container/src/third_party/coreos-overlay/dev-lang/go/Manifest
+++ b/sdk_container/src/third_party/coreos-overlay/dev-lang/go/Manifest
@@ -1 +1 @@
-DIST go1.21.12.src.tar.gz 26997443 BLAKE2B 2d53822fe5ce0664a440325b25ed4eb4268f54982941f045b4fda8e9c650ce37d5daf0bd81dccc69ce69a69868344272607dbe59d9b8f78380dd4cf590324433 SHA512 fb909b92e9dbcf022b9f9250c66a6681585e26aeaf7b8a16b4263082c137181c53966299aa8014983a0215d70e03d1e18b77d674ab32dcfaa5de8c9ed2c8020c
+DIST go1.21.13.src.tar.gz 26997630 BLAKE2B 41098fcd889b0501b2580933b144b317e28f86aee30352f32fafdc66f7607677a62927104b10702f01464fe3eff3ed2999c9913756ed8526df49f523c8a6f945 SHA512 f316984154ead8256d9ec0613e3cfef5699553387d87c24bb2a96265f986bf4450838e6451841def3713d65ebaa9bf55e36ff39c5690d79522e1c1ba7655be2f
diff --git a/sdk_container/src/third_party/coreos-overlay/dev-lang/go/go-1.21.12.ebuild b/sdk_container/src/third_party/coreos-overlay/dev-lang/go/go-1.21.13.ebuild
similarity index 100%
rename from sdk_container/src/third_party/coreos-overlay/dev-lang/go/go-1.21.12.ebuild
rename to sdk_container/src/third_party/coreos-overlay/dev-lang/go/go-1.21.13.ebuild