diff --git a/.gitmodules b/.gitmodules
index 888d42d..e977ca2 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,4 @@
 [submodule "lib/forge-std"]
 	path = lib/forge-std
 	url = https://github.com/foundry-rs/forge-std
+	branch = v1.5.5