diff --git a/.github/workflows/build-tests-mac.yml b/.github/workflows/build-tests-mac.yml
index 66fceb6a..b3e1cf4d 100644
--- a/.github/workflows/build-tests-mac.yml
+++ b/.github/workflows/build-tests-mac.yml
@@ -24,7 +24,7 @@ jobs:
           - 2022.1.24f1
           - 2022.2.21f1
           - 2022.3.7f1
-          - 2023.1.9f1
+          - 2023.1.8f1
         targetPlatform:
           - StandaloneOSX # Build a MacOS executable
 
diff --git a/.github/workflows/build-tests-ubuntu.yml b/.github/workflows/build-tests-ubuntu.yml
index 6c3aa5bc..265126cf 100644
--- a/.github/workflows/build-tests-ubuntu.yml
+++ b/.github/workflows/build-tests-ubuntu.yml
@@ -56,7 +56,7 @@ jobs:
           - 2022.1.24f1
           - 2022.2.21f1
           - 2022.3.7f1
-          - 2023.1.9f1
+          - 2023.1.8f1
         targetPlatform:
           - StandaloneOSX # Build a macOS standalone (Intel 64-bit) with mono backend.
           - StandaloneWindows64 # Build a Windows 64-bit standalone with mono backend.
diff --git a/.github/workflows/build-tests-windows.yml b/.github/workflows/build-tests-windows.yml
index 92d1810f..02dae84b 100644
--- a/.github/workflows/build-tests-windows.yml
+++ b/.github/workflows/build-tests-windows.yml
@@ -24,7 +24,7 @@ jobs:
           - 2022.1.24f1
           - 2022.2.21f1
           - 2022.3.7f1
-          - 2023.1.9f1
+          - 2023.1.8f1
         targetPlatform:
           - StandaloneWindows64 # Build a Windows 64-bit standalone.
           - StandaloneWindows # Build a Windows 32-bit standalone.