diff --git a/package.json b/package.json
index 3748eff882a35fb4f37fe4b3c360f7bd2e2eda7c..9614491855c718115ddd4a78de5aeb40d5817b62 100644
--- a/package.json
+++ b/package.json
@@ -70,10 +70,10 @@
   },
   "devDependencies": {
     "coveralls": "2.11.4",
-    "duniter-bma": "^1.1.2",
+    "duniter-bma": "1.1.2",
     "duniter-crawler": "1.1.4",
-    "duniter-keypair": "^1.1.3",
-    "duniter-prover": "^1.1.2",
+    "duniter-keypair": "1.1.3",
+    "duniter-prover": "1.1.2",
     "eslint": "3.13.1",
     "eslint-plugin-mocha": "4.8.0",
     "istanbul": "0.4.0",