diff --git a/packages/alfa-compatibility/package.json b/packages/alfa-compatibility/package.json
index 2b22464b3e..67fad7b9f2 100644
--- a/packages/alfa-compatibility/package.json
+++ b/packages/alfa-compatibility/package.json
@@ -28,7 +28,7 @@
   },
   "devDependencies": {
     "@siteimprove/alfa-test": "^0.5.0",
-    "mdn-browser-compat-data": "1.0.40"
+    "mdn-browser-compat-data": "1.1.0"
   },
   "publishConfig": {
     "access": "public",
diff --git a/yarn.lock b/yarn.lock
index 7de1075887..832f9bf78d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6209,10 +6209,10 @@ marky@^1.2.0:
   resolved "https://registry.yarnpkg.com/marky/-/marky-1.2.1.tgz#a3fcf82ffd357756b8b8affec9fdbf3a30dc1b02"
   integrity sha512-md9k+Gxa3qLH6sUKpeC2CNkJK/Ld+bEz5X96nYwloqphQE0CKCVEKco/6jxEZixinqNdz5RFi/KaCyfbMDMAXQ==
 
-mdn-browser-compat-data@1.0.40:
-  version "1.0.40"
-  resolved "https://registry.yarnpkg.com/mdn-browser-compat-data/-/mdn-browser-compat-data-1.0.40.tgz#6e8f6e1dd2d8cf880ebea94cf66cfe000a16603b"
-  integrity sha512-yjM/OG0krZIgi+XrhJWS3CJ9UQuGM4FfjIUIt2f65er6qczkM+WjtNEv/9ZF9DxDs/2GR3SO6hDaZLplTRrrfw==
+mdn-browser-compat-data@1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/mdn-browser-compat-data/-/mdn-browser-compat-data-1.1.0.tgz#a3e2c7fa7151eaf10eb78dbbf7aef048aa020e70"
+  integrity sha512-UnOo+rQMzTeH1tI0TJjKczhtG70wk4S9MADTTyjbnFrOke0pyAGlA8QZ7dIPHr7UgrgQd+xAehbGgtiJsbCidQ==
   dependencies:
     extend "3.0.2"