diff --git a/.github/workflows/test-rebmu.yml b/.github/workflows/test-rebmu.yml
index eca900f..47ac075 100644
--- a/.github/workflows/test-rebmu.yml
+++ b/.github/workflows/test-rebmu.yml
@@ -83,7 +83,7 @@ jobs:
 
     # https://github.com/actions/checkout
     #
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
 
 
   #====# INSTALL R3 INTERPRETER #=============================================#