diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fb3f475..c6de5e2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -4,7 +4,7 @@ jobs:
   ubuntu:
     strategy:
       matrix:
-          version: ['7.3', '7.4', '8.0', '8.1', '8.2']
+          version: ['7.3', '7.4', '8.0', '8.1', '8.2', '8.3']
     runs-on: ubuntu-latest
     steps:
       - name: Install re2c