diff --git a/.gitmodules b/.gitmodules
index 01b02cb..81b8f2b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,8 +1,8 @@
 [submodule "duckdb"]
 	path = duckdb
 	url = https://github.com/duckdb/duckdb
-	branch = main
+	branch = v1.2.1
 [submodule "extension-ci-tools"]
 	path = extension-ci-tools
 	url = https://github.com/duckdb/extension-ci-tools
-	branch = main
\ No newline at end of file
+	branch = v1.2.1
\ No newline at end of file