diff --git a/.gitmodules b/.gitmodules
index 8d0343547..68fb28643 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,3 +10,6 @@
 [submodule "libraries/libnbtplusplus"]
 	path = libraries/libnbtplusplus
 	url = https://github.com/PrismLauncher/libnbtplusplus.git
+[submodule "libraries/zlib"]
+	path = libraries/zlib
+	url = https://github.com/madler/zlib.git
diff --git a/libraries/zlib b/libraries/zlib
new file mode 160000
index 000000000..04f42ceca
--- /dev/null
+++ b/libraries/zlib
@@ -0,0 +1 @@
+Subproject commit 04f42ceca40f73e2978b50e93806c2a18c1281fc