diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
new file mode 100644
index 0000000..25778fd
--- /dev/null
+++ b/.github/workflows/linux.yml
@@ -0,0 +1,30 @@
+name: CI Linux
+on:
+  push:
+    branches:
+      - '*'
+    tags-ignore:
+      - '*'
+  pull_request:
+jobs:
+  perl:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        perl-version:
+          - '5.20'
+          - '5.22'
+          - '5.30'
+          - '5.32'
+    name: Perl ${{ matrix.perl-version }} on Linux
+    container:
+      image: perl:${{ matrix.perl-version }}
+    steps:
+      - uses: actions/checkout@v2
+      - name: perl -V
+        run: perl -V
+      - name: Install dependencies
+        run: |
+          cpanm --installdeps .
+      - name: Run tests
+        run: prove -lr t/
diff --git a/.gitignore b/.gitignore
index 4d0f9c2..417d50c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -28,6 +28,7 @@
 *.tmp
 *.cache
 .*
+!.github
 !.gitignore
 
 # Protected checks
diff --git a/Changes b/Changes
index c95b9f0..0484e2f 100644
--- a/Changes
+++ b/Changes
@@ -1,8 +1,9 @@
-0.42 2021-02-16
+0.42 2021-03-16
         - Replaced Log4perl with Log::Any.
         - Ignore level < 0 structures in DeReKo, but support
           them for base annotations.
         - Define resources in Makefile.
+        - Add GitHub action for CI.
 
 0.41 2020-08-10
         - Added support for RWK annotations.