diff --git a/Dockerfile b/Dockerfile
index 66c6edd..d29a8c5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.20-alpine AS backend-builder
+FROM golang:1.21-alpine AS backend-builder
 WORKDIR /build
 COPY kubelab-backend/go.mod kubelab-backend/go.sum kubelab-backend/main.go ./
 COPY kubelab-backend/hooks ./hooks