diff --git a/tools/env-vars-generator/Dockerfile b/tools/env-vars-generator/Dockerfile
index 7bc8823..c019515 100644
--- a/tools/env-vars-generator/Dockerfile
+++ b/tools/env-vars-generator/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:alpine
+FROM golang:1.23rc2-alpine3.20
 
 RUN apk add --update git