diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 202ae23..c0b195d 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -4,3 +4,7 @@ updates:
     directory: "/"
     schedule:
       interval: "monthly"
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "monthly"
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index c73efee..588d9fc 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -6,22 +6,20 @@ on:
     - master
     - main
   pull_request:
-    branches:
-    - master
-    - main
 
 jobs:
   build-and-test:
     runs-on: ubuntu-latest
     strategy:
-      fail-fast: false
+      matrix:
+        go_version: ["1.20.x", "1.21.x"]
 
     name: Build and Test
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-go@v3
+      - uses: actions/checkout@v3
+      - uses: actions/setup-go@v4
         with:
-          go-version: '1.20'
+          go-version: ${{ matrix.go_version }}
           check-latest: true
       - run: make -C stuff style
       - run: make -C stuff test
@@ -40,9 +38,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: actions/setup-go@v3
+      - uses: actions/setup-go@v4
         with:
-          go-version: 1.20.x
+          go-version: '1.21.x'
           check-latest: true
       - uses: golangci/golangci-lint-action@v3.4.0
 
@@ -51,10 +49,10 @@ jobs:
     needs: [build-and-test]
     if: startsWith(github.ref, 'refs/tags/v')
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-go@v3
+      - uses: actions/checkout@v3
+      - uses: actions/setup-go@v4
         with:
-          go-version: '1.20'
+          go-version: '1.21.x'
           check-latest: true
       - uses: goreleaser/goreleaser-action@v4
         with:
diff --git a/go.mod b/go.mod
index ebef64b..653a53c 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/hzeller/stuff-org
 
-go 1.19
+go 1.20
 
 require (
 	github.com/mattn/go-sqlite3 v1.14.17