diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index b85f9e9f..3820024d 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -18,7 +18,10 @@ jobs:
       fail-fast: false
       matrix:
         os: [ ubuntu ]
-        php: [ 8.1, 8.2, 8.3 ]
+        # Temporarily disable the PHP 8.3 job while an APT issue debugged.
+        # @see https://github.com/phenaproxima/starshot-prototype/issues/19
+        # php: [ 8.1, 8.2, 8.3 ]
+        php: [ 8.1, 8.2 ]
 
     steps:
       - name: Checkout code