diff --git a/Dockerfile b/Dockerfile
index b5a5f39..165c875 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21.4
+FROM golang:1.22.1
 
 RUN git clone https://go.googlesource.com/go /tmp/golang-tip
 
diff --git a/go.mod b/go.mod
index 4c47d79..0e0e55e 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,5 @@
 module github.com/AlekSi/golang-tip
 
-go 1.21
+go 1.22
+
+toolchain go1.22.1