diff --git a/stories/package-lock.json b/stories/package-lock.json
index 93067d7..12ebc16 100644
--- a/stories/package-lock.json
+++ b/stories/package-lock.json
@@ -1172,7 +1172,9 @@
       },
       "dependencies": {
         "@codin/util-sass2lit": {
-          "version": "1.0.3"
+          "version": "1.0.3",
+          "resolved": "https://registry.npmjs.org/@codin/util-sass2lit/-/util-sass2lit-1.0.3.tgz",
+          "integrity": "sha512-YOJ+XVAoqyVSe4TAVEmsnNLRN+U+XwprR9xv3zUF5T+iXEkY4oVAm/uhR2+cl0On4jWT+yeIr/1BNViuk8T3nQ=="
         },
         "@material/layout-grid": {
           "version": "6.0.0",
@@ -8641,9 +8643,9 @@
       "dev": true
     },
     "prismjs": {
-      "version": "1.20.0",
-      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.20.0.tgz",
-      "integrity": "sha512-AEDjSrVNkynnw6A+B1DsFkd6AVdTnp+/WoUixFRULlCLZVRZlVQMVWio/16jv7G1FscUxQxOQhWwApgbnxr6kQ==",
+      "version": "1.21.0",
+      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.21.0.tgz",
+      "integrity": "sha512-uGdSIu1nk3kej2iZsLyDoJ7e9bnPzIgY0naW/HdknGj61zScaprVEVGHrPoXqI+M9sP0NDnTK2jpkvmldpuqDw==",
       "dev": true,
       "requires": {
         "clipboard": "^2.0.0"
diff --git a/stories/package.json b/stories/package.json
index 2fbc034..42e10a9 100644
--- a/stories/package.json
+++ b/stories/package.json
@@ -25,7 +25,7 @@
     "file-loader": "^6.0.0",
     "lit-element": "^2.3.1",
     "lit-html": "^1.2.1",
-    "prismjs": "^1.20.0",
+    "prismjs": "^1.21.0",
     "ts-loader": "^7.0.2"
   },
   "dependencies": {}