diff --git a/contrib/prototools-docker/Dockerfile b/contrib/prototools-docker/Dockerfile
index a3c6e3328..02354cd87 100644
--- a/contrib/prototools-docker/Dockerfile
+++ b/contrib/prototools-docker/Dockerfile
@@ -39,7 +39,7 @@ RUN GO111MODULE=on go get \
 
 RUN upx --lzma /usr/local/bin/*
 
-FROM golang:1.19.11-alpine
+FROM golang:1.20.9-alpine
 ENV LD_LIBRARY_PATH=/lib64:/lib
 
 WORKDIR /work