diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3b548d5..a9904fc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ on:
 
 env:
   # Common versions
-  GO_VERSION: '1.25.12'
+  GO_VERSION: '1.25.13'
   GOLANGCI_VERSION: 'v2.11.4'
   DOCKER_BUILDX_VERSION: 'v0.24.0'
 
diff --git a/go.mod b/go.mod
index dd1d4b6..69e91f8 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/upbound/function-claude
 
-go 1.25.12
+go 1.25.13
 
 require (
 	github.com/alecthomas/kong v0.9.0