diff --git a/Dockerfile b/Dockerfile
index 00ffc50..e5b4a0d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Requires Docker v17.06 or later
-FROM golang:1.18.3 as builder
+FROM golang:1.20.0 as builder
 RUN mkdir -p /go/src/app
 WORKDIR /go/src/app
 COPY . /go/src/app