diff --git a/.github/workflows/RunUnityTests.yml b/.github/workflows/RunUnityTests.yml
index a7afdd2fb..8d469bac2 100644
--- a/.github/workflows/RunUnityTests.yml
+++ b/.github/workflows/RunUnityTests.yml
@@ -13,7 +13,7 @@ jobs:
         unityVersion:
           - 2019.4.40f1
           - 2020.3.44f1
-          - 2021.3.17f1
+          - 2021.3.18f1
           - 2022.2.5f1
 
     steps: