diff --git a/.github/workflows/all_builds.yml b/.github/workflows/all_builds.yml
index 3f36296..98ae699 100644
--- a/.github/workflows/all_builds.yml
+++ b/.github/workflows/all_builds.yml
@@ -5,7 +5,7 @@ on:
       godot-treeish:
         description: A tag, branch or commit hash in the Godot repository.
         type: string
-        default: master
+        default: 4.2-stable
       limboai-treeish:
         description: A tag, branch or commit hash in the LimboAI repository.
         type: string
diff --git a/.github/workflows/test_builds.yml b/.github/workflows/test_builds.yml
index d7aa5c2..404d52f 100644
--- a/.github/workflows/test_builds.yml
+++ b/.github/workflows/test_builds.yml
@@ -21,7 +21,7 @@ on:
 
 # Global settings
 env:
-  GODOT_TREEISH: master
+  GODOT_TREEISH: 4.2-stable
   SCONSFLAGS: verbose=yes warnings=extra werror=yes
   SCONS_CACHE_LIMIT: 7168
   DOTNET_NOLOGO: true