diff --git a/exercices-v2/package.json b/exercices-v2/package.json
index 8864c81..efeb0c0 100644
--- a/exercices-v2/package.json
+++ b/exercices-v2/package.json
@@ -12,7 +12,7 @@
     "lodash": "4.17.4",
     "mobx": "^3.1.9",
     "ts-node": "3.0.2",
-    "typescript": "2.2.2",
+    "typescript": "2.9.2",
     "tape": "4.9.1",
     "tap-spec": "5.0.0"
   },