diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index c299a0e..ddbc043 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -21,7 +21,7 @@ jobs:
         name: Set up Go
         uses: actions/setup-go@v2
         with:
-          go-version: 1.17
+          go-version: 1.21.1
       -
         name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v2
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 36482ef..53c9ffb 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -7,7 +7,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v2
         with:
-          go-version: 1.17.x
+          go-version: 1.21.x
       - name: Checkout code
         uses: actions/checkout@v2
       - name: Test
diff --git a/go.mod b/go.mod
index 3333cca..31d1593 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/tg44/heptapod
 
-go 1.17
+go 1.21.1
 
 require (
 	github.com/olekukonko/tablewriter v0.0.5