diff --git a/package-lock.json b/package-lock.json
index 11aa2d2..2cce49c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -633,23 +633,36 @@
       }
     },
     "rollup-plugin-css-only": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/rollup-plugin-css-only/-/rollup-plugin-css-only-3.1.0.tgz",
-      "integrity": "sha512-TYMOE5uoD76vpj+RTkQLzC9cQtbnJNktHPB507FzRWBVaofg7KhIqq1kGbcVOadARSozWF883Ho9KpSPKH8gqA==",
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/rollup-plugin-css-only/-/rollup-plugin-css-only-4.2.0.tgz",
+      "integrity": "sha512-X/8hJvi4Sst0BbFSxxdDVFkiYfNHIHEXiayUnPA7FLWmDlpwTSKMV1yLKv3pgmUlUoxlct9jELRQ3osrEcZFiw==",
       "dev": true,
       "requires": {
-        "@rollup/pluginutils": "4"
+        "@rollup/pluginutils": "5"
       },
       "dependencies": {
         "@rollup/pluginutils": {
-          "version": "4.1.0",
-          "resolved": "https://registry.npmjs.org/@rollup/pluginutils/-/pluginutils-4.1.0.tgz",
-          "integrity": "sha512-TrBhfJkFxA+ER+ew2U2/fHbebhLT/l/2pRk0hfj9KusXUuRXd2v0R58AfaZK9VXDQ4TogOSEmICVrQAA3zFnHQ==",
+          "version": "5.0.2",
+          "resolved": "https://registry.npmjs.org/@rollup/pluginutils/-/pluginutils-5.0.2.tgz",
+          "integrity": "sha512-pTd9rIsP92h+B6wWwFbW8RkZv4hiR/xKsqre4SIuAOaOEQRxi0lqLke9k2/7WegC85GgUs9pjmOjCUi3In4vwA==",
           "dev": true,
           "requires": {
-            "estree-walker": "^2.0.1",
-            "picomatch": "^2.2.2"
+            "@types/estree": "^1.0.0",
+            "estree-walker": "^2.0.2",
+            "picomatch": "^2.3.1"
           }
+        },
+        "@types/estree": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/@types/estree/-/estree-1.0.0.tgz",
+          "integrity": "sha512-WulqXMDUTYAXCjZnk6JtIHPigp55cVtDgDrO2gHRwhyJto21+1zbVCtOYB2L1F9w4qCQ0rOGWBnBe0FNTiEJIQ==",
+          "dev": true
+        },
+        "picomatch": {
+          "version": "2.3.1",
+          "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
+          "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
+          "dev": true
         }
       }
     },
diff --git a/package.json b/package.json
index 01ee27d..cdf494d 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "@rollup/plugin-commonjs": "^22.0.2",
     "@rollup/plugin-node-resolve": "^13.3.0",
     "rollup": "^2.78.1",
-    "rollup-plugin-css-only": "^3.1.0",
+    "rollup-plugin-css-only": "^4.2.0",
     "rollup-plugin-livereload": "^2.0.0",
     "rollup-plugin-svelte": "^7.0.0",
     "rollup-plugin-terser": "^7.0.0",