diff --git a/hook/Dockerfile b/hook/Dockerfile
index fbe400d..3f2ef1f 100644
--- a/hook/Dockerfile
+++ b/hook/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.19
+FROM golang:1.20
 RUN mkdir /app
 ADD . /app
 WORKDIR /app