diff --git a/tools/cli/cli.pro b/tools/cli/cli.pro
index 4309256..2389b30 100644
--- a/tools/cli/cli.pro
+++ b/tools/cli/cli.pro
@@ -19,6 +19,11 @@ win32 {
     LIBS += -L$$PWD/../../third_party/xbox_sdk/lib -lxcompress64
 }
 
+# macOS/Linux: use system zlib
+unix {
+    LIBS += -lz
+}
+
 # Include paths
 INCLUDEPATH += \
     $$PWD/../../libs/dsl \