diff --git a/go.mod b/go.mod
index 348ee86..c91cc63 100644
--- a/go.mod
+++ b/go.mod
@@ -4,7 +4,7 @@ go 1.26
 
 require (
 	github.com/adrg/xdg v0.5.3
-	github.com/google/cel-go v0.27.0
+	github.com/google/cel-go v0.28.0
 	github.com/google/go-containerregistry v0.21.4
 	github.com/mark3labs/mcp-go v0.47.0
 	github.com/modelcontextprotocol/registry v1.5.0
diff --git a/go.sum b/go.sum
index c265b4f..75dd2db 100644
--- a/go.sum
+++ b/go.sum
@@ -172,8 +172,8 @@ github.com/golang-jwt/jwt/v5 v5.3.1 h1:kYf81DTWFe7t+1VvL7eS+jKFVWaUnK9cB1qbwn63Y
 github.com/golang-jwt/jwt/v5 v5.3.1/go.mod h1:fxCRLWMO43lRc8nhHWY6LGqRcf+1gQWArsqaEUEa5bE=
 github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
 github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
-github.com/google/cel-go v0.27.0 h1:e7ih85+4qVrBuqQWTW4FKSqZYokVuc3HnhH5keboFTo=
-github.com/google/cel-go v0.27.0/go.mod h1:tTJ11FWqnhw5KKpnWpvW9CJC3Y9GK4EIS0WXnBbebzw=
+github.com/google/cel-go v0.28.0 h1:KjSWstCpz/MN5t4a8gnGJNIYUsJRpdi/r97xWDphIQc=
+github.com/google/cel-go v0.28.0/go.mod h1:X0bD6iVNR8pkROSOoHVdgTkzmRcosof7WQqCD6wcMc8=
 github.com/google/certificate-transparency-go v1.3.2 h1:9ahSNZF2o7SYMaKaXhAumVEzXB2QaayzII9C8rv7v+A=
 github.com/google/certificate-transparency-go v1.3.2/go.mod h1:H5FpMUaGa5Ab2+KCYsxg6sELw3Flkl7pGZzWdBoYLXs=
 github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=