diff --git a/.gitmodules b/.gitmodules
index 7f8abf907a..12303d5df3 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7,3 +7,6 @@
 [submodule "src/javascript/jsc/WebKit"]
 	path = src/javascript/jsc/WebKit
 	url = git@github.com:/Jarred-Sumner/WebKit
+[submodule "src/deps/mimalloc"]
+	path = src/deps/mimalloc
+	url = https://github.com/microsoft/mimalloc
diff --git a/src/deps/mimalloc b/src/deps/mimalloc
new file mode 160000
index 0000000000..076f815cec
--- /dev/null
+++ b/src/deps/mimalloc
@@ -0,0 +1 @@
+Subproject commit 076f815cece59e0a0ee08237c8fbba75465452b6