diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8fbd6b5..de7eebe 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 # 1.2.1 (2020-03-27)
 
 ## Improvement
+
 - Allow to empty a tile (require angular-traversal 1.5.1 or higher) [mathilde-pellerin]
 
 # 1.2.0 (2020-02-24)
diff --git a/package.json b/package.json
index 8c3287e..b7fad6c 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "@ngrx/core": "^1.2.0",
     "@ngrx/effects": "^8.1.0",
     "@ngrx/store": "^8.1.0",
-    "angular-traversal": "latest",
+    "angular-traversal": "1.5.1",
     "rxjs": "~6.5.4",
     "tslib": "^1.10.0",
     "zone.js": "~0.10.2"
diff --git a/projects/ngx-state-traverser/package.json b/projects/ngx-state-traverser/package.json
index 27019e2..ff8b7fb 100644
--- a/projects/ngx-state-traverser/package.json
+++ b/projects/ngx-state-traverser/package.json
@@ -31,7 +31,8 @@
     "@angular/core": "^9.0.2",
     "@ngrx/core": "^1.2.0",
     "@ngrx/effects": "^8.6.0",
-    "@ngrx/store": "^8.6.0"
+    "@ngrx/store": "^8.6.0",
+    "angular-traversal": "^1.5.1"
   },
   "private": false
 }