diff --git a/package.json b/package.json
index 867dafc0..fc926c66 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
   "type": "commonjs",
   "types": "lib/index.d.ts",
   "typesVersions": {
-    "<3.7": {
+    "<=3.7": {
       "lib/*": [
         "lib/ts3.7/*"
       ]