diff --git a/package.json b/package.json
index 3eda7c9..e28c2bb 100644
--- a/package.json
+++ b/package.json
@@ -12,8 +12,13 @@
   },
   "files": [
     "build.sh",
+    "lib/miniz/miniz.h",
     "lib/miniz/miniz.c",
+    "lib/xdelta3/*.h",
+    "lib/xdelta3/*.c",
+    "src/*.h",
     "src/*.c",
+    "src/*/*.h",
     "src/*/*.c"
   ],
   "bin": "./ssh-installer"