diff --git a/.github/workflows/RunUnityTests.yml b/.github/workflows/RunUnityTests.yml
index 52ad8da6d..82bb0c603 100644
--- a/.github/workflows/RunUnityTests.yml
+++ b/.github/workflows/RunUnityTests.yml
@@ -13,7 +13,7 @@ jobs:
         unityVersion:
           # - 2019.4.40f1
           - 2020.3.48f1
-          - 2021.3.43f1
+          - 2021.3.45f1
           - 2022.3.50f1
           - 2023.2.20f1
           - 6000.0.22f1