diff --git a/.gitmodules b/.gitmodules
index 47f5132..03eba98 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,7 +1,7 @@
 [submodule "tests/Engine/EngineTests/EngineTestData"]
 	path = tests/Engine/EngineTests/EngineTestData
 	url = git@github.com:Flagsmith/engine-test-data.git
-	branch = v3.7.0
+	branch = v3.12.1
 [submodule "tests/Engine/EngineTests/SdkBenchmarks"]
 	path = tests/Engine/EngineTests/SdkBenchmarks
 	url = https://github.com/Flagsmith/sdk-benchmarks.git
diff --git a/tests/Engine/EngineTests/EngineTestData b/tests/Engine/EngineTests/EngineTestData
index 4b29dc7..cb06740 160000
--- a/tests/Engine/EngineTests/EngineTestData
+++ b/tests/Engine/EngineTests/EngineTestData
@@ -1 +1 @@
-Subproject commit 4b29dc772a764364af2dd504ecefbdf74cf5473f
+Subproject commit cb067401093766e55c3354c1de7c73d9331334df