diff --git a/functions-runtime/Dockerfile b/functions-runtime/Dockerfile
index e21c12b8f82..bdb7a4a19f1 100644
--- a/functions-runtime/Dockerfile
+++ b/functions-runtime/Dockerfile
@@ -1,4 +1,4 @@
-FROM denoland/deno:alpine-1.35.3 AS production
+FROM denoland/deno:alpine-1.39.0 AS production
 
 LABEL org.opencontainers.image.source="https://github.com/keptn/lifecycle-toolkit" \
     org.opencontainers.image.url="https://keptn.sh" \