diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 6c731c1b0..e4fb56959 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -10,11 +10,11 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [windows-latest, ubuntu-latest, macos-latest-large]
+        os: [windows-latest, ubuntu-22.04, macos-latest-large]
 
     steps:
     - name: Install tools
-      if: matrix.os == 'ubuntu-latest'
+      if: matrix.os == 'ubuntu-22.04'
       run: sudo apt-get -yq install mono-vbnc dos2unix
     - uses: actions/checkout@v4
       with: