diff --git a/.go-version b/.go-version
index 2844977405c2..bae5c7f667c9 100644
--- a/.go-version
+++ b/.go-version
@@ -1 +1 @@
-1.21.1
+1.21.3
diff --git a/changelog/_go-ver-1160.txt b/changelog/_go-ver-1160.txt
new file mode 100644
index 000000000000..66f00352ba0f
--- /dev/null
+++ b/changelog/_go-ver-1160.txt
@@ -0,0 +1,3 @@
+```release-note:change
+core: Bump Go version to 1.21.3.
+```