diff --git a/commafeed-client/package-lock.json b/commafeed-client/package-lock.json
index a3346f9c..e0d6f835 100644
--- a/commafeed-client/package-lock.json
+++ b/commafeed-client/package-lock.json
@@ -59,7 +59,7 @@
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                 "@vitejs/plugin-react": "^5.1.0",
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-                "jsdom": "^27.0.1",
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                 "typescript": "^5.9.3",
                 "vite": "^7.1.12",
@@ -69,6 +69,13 @@
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+        "node_modules/@acemir/cssom": {
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+            "resolved": "https://registry.npmjs.org/@acemir/cssom/-/cssom-0.9.19.tgz",
+            "integrity": "sha512-Pp2gAQXPZ2o7lt4j0IMwNRXqQ3pagxtDj5wctL5U2Lz4oV0ocDNlkgx4DpxfyKav4S/bePuI+SMqcBSUHLy9kg==",
+            "dev": true,
+            "license": "MIT"
+        },
         "node_modules/@adobe/css-tools": {
             "version": "4.4.4",
             "resolved": "https://registry.npmjs.org/@adobe/css-tools/-/css-tools-4.4.4.tgz",
@@ -3265,9 +3272,9 @@
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-            "resolved": "https://registry.npmjs.org/cssstyle/-/cssstyle-5.3.1.tgz",
-            "integrity": "sha512-g5PC9Aiph9eiczFpcgUhd9S4UUO3F+LHGRIi5NUMZ+4xtoIYbHNZwZnWA2JsFGe8OU8nl4WyaEFiZuGuxlutJQ==",
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+            "resolved": "https://registry.npmjs.org/cssstyle/-/cssstyle-5.3.2.tgz",
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             "license": "MIT",
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@@ -4314,15 +4321,16 @@
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-            "resolved": "https://registry.npmjs.org/jsdom/-/jsdom-27.0.1.tgz",
-            "integrity": "sha512-SNSQteBL1IlV2zqhwwolaG9CwhIhTvVHWg3kTss/cLE7H/X4644mtPQqYvCfsSrGQWt9hSZcgOXX8bOZaMN+kA==",
+            "version": "27.1.0",
+            "resolved": "https://registry.npmjs.org/jsdom/-/jsdom-27.1.0.tgz",
+            "integrity": "sha512-Pcfm3eZ+eO4JdZCXthW9tCDT3nF4K+9dmeZ+5X39n+Kqz0DDIABRP5CAEOHRFZk8RGuC2efksTJxrjp8EXCunQ==",
             "dev": true,
             "license": "MIT",
             "peer": true,
             "dependencies": {
-                "@asamuzakjp/dom-selector": "^6.7.2",
-                "cssstyle": "^5.3.1",
+                "@acemir/cssom": "^0.9.19",
+                "@asamuzakjp/dom-selector": "^6.7.3",
+                "cssstyle": "^5.3.2",
                 "data-urls": "^6.0.0",
                 "decimal.js": "^10.6.0",
                 "html-encoding-sniffer": "^4.0.0",
@@ -4330,7 +4338,6 @@
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                 "symbol-tree": "^3.2.4",
                 "tough-cookie": "^6.0.0",
@@ -4343,7 +4350,7 @@
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             },
             "engines": {
-                "node": ">=20"
+                "node": "^20.19.0 || ^22.12.0 || >=24.0.0"
             },
             "peerDependencies": {
                 "canvas": "^3.0.0"
@@ -5546,13 +5553,6 @@
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-        "node_modules/rrweb-cssom": {
-            "version": "0.8.0",
-            "resolved": "https://registry.npmjs.org/rrweb-cssom/-/rrweb-cssom-0.8.0.tgz",
-            "integrity": "sha512-guoltQEx+9aMf2gDZ0s62EcV8lsXR+0w8915TC3ITdn2YueuNjdAYh/levpU9nFaoChh9RUS5ZdQMrKfVEN9tw==",
-            "dev": true,
-            "license": "MIT"
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             "version": "5.2.1",
             "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
diff --git a/commafeed-client/package.json b/commafeed-client/package.json
index af83279c..dee0a0c7 100644
--- a/commafeed-client/package.json
+++ b/commafeed-client/package.json
@@ -66,7 +66,7 @@
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         "@vitejs/plugin-react": "^5.1.0",
         "babel-plugin-react-compiler": "1.0.0",
-        "jsdom": "^27.0.1",
+        "jsdom": "^27.1.0",
         "rollup-plugin-visualizer": "^6.0.5",
         "typescript": "^5.9.3",
         "vite": "^7.1.12",