diff --git a/.gitmodules b/.gitmodules
index 5f24276d..2840e8cf 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -36,3 +36,4 @@
 [submodule "json"]
 	path = json
 	url = https://github.com/nlohmann/json
+	branch = v3.10.5