diff --git a/package.json b/package.json
index a54a530..fb96f5f 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,8 @@
     "test:watch": "jest --watch --notify --notifyMode=change --coverage"
   },
   "dependencies": {
-    "probot": "^12.2.1"
+    "probot": "^12.2.1",
+    "typescript": "^4.1.3"
   },
   "devDependencies": {
     "@types/jest": "^26.0.19",
@@ -31,8 +32,7 @@
     "nock": "^13.0.5",
     "nodemon": "^2.0.15",
     "smee-client": "^1.2.2",
-    "ts-jest": "^26.4.4",
-    "typescript": "^4.1.3"
+    "ts-jest": "^26.4.4"
   },
   "engines": {
     "node": ">= 10.13.0"