diff --git a/Dockerfile b/Dockerfile
index b84c16e..cb0729a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:alpine
+FROM golang:1.21.4-alpine3.18
 
 #RUN apt-get update && apt-get install -y --no-install-recommends gcc g++ make ; apt clean ; rm -rf /var/lib/apt/lists/*