diff --git a/account/Dockerfile b/account/Dockerfile
index 43c12c5..ce12e31 100644
--- a/account/Dockerfile
+++ b/account/Dockerfile
@@ -3,6 +3,7 @@
 # ------------------------------
 ARG GO_RUNTIME_IMAGE=ghcr.io/cloud-neutral-toolkit/go-runtime:latest
 FROM ${GO_RUNTIME_IMAGE} AS builder
+ARG GO_VERSION="1.24.5"
 
 RUN apt-get update \
     && apt-get install -y --no-install-recommends make git ca-certificates \
diff --git a/rag-server/Dockerfile b/rag-server/Dockerfile
index 9ecfb8a..cdff78d 100644
--- a/rag-server/Dockerfile
+++ b/rag-server/Dockerfile
@@ -4,6 +4,7 @@
 ARG GO_RUNTIME_IMAGE=ghcr.io/cloud-neutral-toolkit/go-runtime:latest
 
 FROM ${GO_RUNTIME_IMAGE} AS builder
+ARG GO_VERSION="1.24.5"
 
 RUN apt-get update \
     && apt-get install -y --no-install-recommends make git ca-certificates \