diff --git a/.github/workflows/go-ci.yml b/.github/workflows/go-ci.yml
index ddd9c0d..7a027f7 100644
--- a/.github/workflows/go-ci.yml
+++ b/.github/workflows/go-ci.yml
@@ -3,18 +3,14 @@ on:
   - push
 jobs:
   go-test:
-    strategy:
-      matrix:
-        go-version: [1.19.x]
-        os: [ubuntu-latest]
-    runs-on: ${{ matrix.os }}
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v5
         with:
           submodules: recursive
       - name: Set up Go
-        uses: actions/setup-go@v3
+        uses: actions/setup-go@v6
         with:
-          go-version: ${{ matrix.go-version }}
+          go-version-file: go.mod
       - run: go test ./...
diff --git a/go.mod b/go.mod
index 4060005..f86fa25 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,3 @@
 module github.com/sourcegraph/go-jsonschema
 
-go 1.19
+go 1.25.9