diff --git a/package-lock.json b/package-lock.json
index 7a20969..2a44c52 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -37,12 +37,6 @@
             "lit-element": "^2.5.1",
             "lit-html": "^1.4.1"
           }
-        },
-        "prismjs": {
-          "version": "1.25.0",
-          "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.25.0.tgz",
-          "integrity": "sha512-WCjJHl1KEWbnkQom1+SzftbtXMKQoezOCYs5rECqMN+jP+apI7ftoflyqigqzopSO3hMhTEb0mFClA8lkolgEg==",
-          "dev": true
         }
       }
     },
@@ -7971,9 +7965,9 @@
       "dev": true
     },
     "prismjs": {
-      "version": "1.24.1",
-      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.24.1.tgz",
-      "integrity": "sha512-mNPsedLuk90RVJioIky8ANZEwYm5w9LcvCXrxHlwf4fNVSn8jEipMybMkWUyyF0JhnC+C4VcOVSBuHRKs1L5Ow=="
+      "version": "1.28.0",
+      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.28.0.tgz",
+      "integrity": "sha512-8aaXdYvl1F7iC7Xm1spqSaY/OJBpYW3v+KJ+F17iYxvdc8sfjW194COK5wVhMZX45tGteiBQgdvD/nhxcRwylw=="
     },
     "process-nextick-args": {
       "version": "2.0.1",