diff --git a/package-lock.json b/package-lock.json
index 4586c17f18..c179728b74 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3913,9 +3913,20 @@
       }
     },
     "css-vars-ponyfill": {
-      "version": "2.4.2",
-      "resolved": "https://registry.npmjs.org/css-vars-ponyfill/-/css-vars-ponyfill-2.4.2.tgz",
-      "integrity": "sha512-kp8Ufs7jJDoaSym1hw/deawtakLJJTAQMB4ZgkdyOwCTJHqEClbpXI910ovQU4Guxt37EcdRiqppG9ihFyCjPQ=="
+      "version": "2.4.5",
+      "resolved": "https://registry.npmjs.org/css-vars-ponyfill/-/css-vars-ponyfill-2.4.5.tgz",
+      "integrity": "sha512-g/iKntsYEzYFTozriPP8GqqfBsgSSSXbR4DQ55+uFb9Yx4ltOaiQUcVm4Rv6IvS39y1n+wQpCUQMErwFJKyk9Q==",
+      "requires": {
+        "balanced-match": "^1.0.2",
+        "get-css-data": "^2.0.2"
+      },
+      "dependencies": {
+        "balanced-match": {
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
+          "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw=="
+        }
+      }
     },
     "cssesc": {
       "version": "3.0.0",
@@ -5619,6 +5630,11 @@
       "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-2.0.5.tgz",
       "integrity": "sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg=="
     },
+    "get-css-data": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/get-css-data/-/get-css-data-2.0.2.tgz",
+      "integrity": "sha512-pYqg80/7u/MdBrrAQj2OIoZ08TxEnvCHyU5WFnPxxS/D0S8OpUTkqGFRzn8bO38DmtCuYBpR9VMCen78BL4jiQ=="
+    },
     "get-func-name": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/get-func-name/-/get-func-name-2.0.0.tgz",
diff --git a/package.json b/package.json
index fa4e1d817a..20d330dacb 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "camelcase": "^6.2.0",
     "clipboard": "^2.0.6",
     "core-js": "^3.8.3",
-    "css-vars-ponyfill": "^2.4.2",
+    "css-vars-ponyfill": "^2.4.5",
     "davclient.js": "git+https://github.com/owncloud/davclient.js.git#0.2.1",
     "debounce": "^1.2.0",
     "dompurify": "^2.2.6",