diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9323061..cd8c2fb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v4
         with:
-          go-version: 1.19
+          go-version: "1.20"
       - name: Install dependencies
         run: go mod download
       - name: Build binary
@@ -68,7 +68,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
       - uses: actions/setup-go@v4
         with:
-          go-version: 1.19
+          go-version: "1.20"
       - name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v2
         with:
diff --git a/go.mod b/go.mod
index 397e63e..f93ea72 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,3 @@
 module github.com/jimeh/casecmp
 
-go 1.19
+go 1.20