diff --git a/README.md b/README.md
index 95f4de0..1eecf11 100644
--- a/README.md
+++ b/README.md
@@ -64,8 +64,8 @@ Make sure to install the right version of Firewalk depending on the `firebase-ad
 
 | firewalk | firebase-admin |
 | -------- | -------------- |
-| v1.x     | v9.x, v10.x    |
-| v2.x     | v11.x, v12.x   |
+| v1       | v9, v10        |
+| v2       | v11, v12       |
 
 ## Installation
 
diff --git a/package-lock.json b/package-lock.json
index 4d94caa..c7f6da6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -39,7 +39,7 @@
         "typescript": "5.3.3"
       },
       "peerDependencies": {
-        "firebase-admin": "11.x || 12.x"
+        "firebase-admin": "11 - 12"
       }
     },
     "node_modules/@ampproject/remapping": {
diff --git a/package.json b/package.json
index d8f5e0f..74dad11 100644
--- a/package.json
+++ b/package.json
@@ -71,7 +71,7 @@
     "url": "https://github.com/kafkas/firewalk/issues"
   },
   "peerDependencies": {
-    "firebase-admin": "11.x || 12.x"
+    "firebase-admin": "11 - 12"
   },
   "publishConfig": {
     "access": "public"