diff --git a/.gitmodules b/.gitmodules
index 76ee68c..cb397c1 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "parallel-hashmap"]
-	path = parallel-hashmap
+	path = third_party/parallel-hashmap
 	url = https://github.com/greg7mdp/parallel-hashmap
diff --git a/parallel-hashmap b/third_party/parallel-hashmap
similarity index 100%
rename from parallel-hashmap
rename to third_party/parallel-hashmap