diff --git a/rules/sdl2.json b/rules/sdl2.json
index 9fb5e80..037ec73 100644
--- a/rules/sdl2.json
+++ b/rules/sdl2.json
@@ -25,7 +25,8 @@
       "constraints": [
         {
           "os": "linux",
-          "distribution": "rockylinux"
+          "distribution": "rockylinux",
+          "versions": ["9"]
         },
         {
           "os": "linux",
@@ -132,4 +133,4 @@
       ]
     }
   ]
-}
\ No newline at end of file
+}