diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 00dcdce..1813dd6 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -17,7 +17,7 @@ jobs:
       - name: Install Go toolchain
         uses: actions/setup-go@v5
         with:
-          go-version: "1.20.1"
+          go-version: "1.22.4"
       - name: Build
         run: |
           mkdir dist
@@ -41,7 +41,7 @@ jobs:
       - name: Install Go toolchain
         uses: actions/setup-go@v5
         with:
-          go-version: "1.20.1"
+          go-version: "1.22.4"
       - name: Build
         run: |
           mkdir dist
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index cca39e9..c1a43d6 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -13,7 +13,7 @@ jobs:
       - name: Install Go toolchain
         uses: actions/setup-go@v5
         with:
-          go-version: "1.20.1"
+          go-version: "1.22.4"
       - name: Build
         run: |
           mkdir dist
diff --git a/go.mod b/go.mod
index 3d58cc8..1c9d446 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/rjuer/cidr
 
-go 1.21
+go 1.22
 
 toolchain go1.22.4