diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fbaafcf..a730bbc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ concurrency:
   cancel-in-progress: true
 
 env:
-  R2V: 5.9.2
+  R2V: 5.9.4
 
 jobs:
   sources: