diff --git a/quirks/web-browser-extension-distribution-information.json b/quirks/web-browser-extension-distribution-information.json
index 20e5c2747..3f24282a4 100644
--- a/quirks/web-browser-extension-distribution-information.json
+++ b/quirks/web-browser-extension-distribution-information.json
@@ -616,6 +616,25 @@
             "supported_store_identifiers": []
         },
         {
+            "long_name": "Librewolf",
+            "short_name": "Librewolf",
+            "supported_platforms": [
+                "Mac",
+                "Windows",
+                "Linux"
+            ],
+            "platform_specific_information": {
+                "Mac": {
+                    "bundle_identifier": "org.mozilla.librewolf",
+                    "code_signing_identifier": "librewolf",
+                    "code_signing_team_identifier": "not set",
+                }
+            },
+            "supported_store_identifiers": [
+                3
+            ]
+},
+{
             "long_name": "Tencent QQ Browser",
             "short_name": "QQ Browser",
             "supported_platforms": [