diff --git a/.gitmodules b/.gitmodules
index 935bed8..e1bc1d5 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,4 +1,4 @@
 [submodule "tests/engine_tests/engine-test-data"]
 	path = tests/engine_tests/engine-test-data
 	url = https://github.com/flagsmith/engine-test-data.git
-	branch = v3.11.0
+	branch = v3.12.1
diff --git a/tests/engine_tests/engine-test-data b/tests/engine_tests/engine-test-data
index 28363b3..cb06740 160000
--- a/tests/engine_tests/engine-test-data
+++ b/tests/engine_tests/engine-test-data
@@ -1 +1 @@
-Subproject commit 28363b388de2850c7c3f1b6e7a8bdd41d8da433c
+Subproject commit cb067401093766e55c3354c1de7c73d9331334df