diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3dc90a5..9eafa09 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,7 +6,7 @@ env:
   # Only used for the cache key. Increment version to force clean build.
   GODOT_BASE_BRANCH: master
   # Used to select the version of Redot to run the tests with.
-  REDOT_TEST_VERSION: 4.3.1-rc.1
+  REDOT_TEST_VERSION: 4.3.1-stable
   # Use UTF-8 on Linux.
   LANG: en_US.UTF-8
   LC_ALL: en_US.UTF-8
diff --git a/gdextension/extension_api.json b/gdextension/extension_api.json
index 69b5c2a..19f3b8a 100644
--- a/gdextension/extension_api.json
+++ b/gdextension/extension_api.json
@@ -3,18 +3,18 @@
 		"version_major": 4,
 		"version_minor": 3,
 		"version_patch": 1,
-		"version_status": "rc",
-		"version_status_version": 1,
+		"version_status": "stable",
+		"version_status_version": 0,
 		"version_build": "official",
-		"version_full_name": "Redot Engine v4.3.1.rc.1.official"
+		"version_full_name": "Redot Engine v4.3.1.stable.official"
 	},
 	"header": {
 		"version_major": 4,
 		"version_minor": 3,
 		"version_patch": 1,
 		"version_status": "dev",
-		"version_build": "redot.custom_build",
-		"version_full_name": "Godot Engine v4.3.1.dev.redot.custom_build"
+		"version_build": "redot.official",
+		"version_full_name": "Godot Engine v4.3.1.dev.redot.official"
 	},
 	"builtin_class_sizes": [
 		{