diff --git a/package.json b/package.json
index 48ce6ae..c18e279 100644
--- a/package.json
+++ b/package.json
@@ -76,7 +76,7 @@
   "devDependencies": {
     "@commitlint/cli": "^17.7.1",
     "@commitlint/config-conventional": "^17.7.0",
-    "@expressots/core": "latest",
+    "@expressots/core": "^1.9.1",
     "@release-it/conventional-changelog": "^7.0.1",
     "@types/jest": "^29.5.0",
     "@types/node": "^20.4.9",
@@ -90,9 +90,6 @@
     "ts-jest": "^29.0.5",
     "typescript": "^5.2.2"
   },
-  "peerDependencies": {
-    "@expressots/core": "latest"
-  },
   "release-it": {
     "git": {
       "commitMessage": "chore(release): ${version}"