diff --git a/package-lock.json b/package-lock.json
index 0ed009a2..8b211dc3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2518,9 +2518,9 @@
       "dev": true
     },
     "clipboard": {
-      "version": "2.0.4",
-      "resolved": "https://registry.npmjs.org/clipboard/-/clipboard-2.0.4.tgz",
-      "integrity": "sha512-Vw26VSLRpJfBofiVaFb/I8PVfdI1OxKcYShe6fm0sP/DtmiWQNCjhM/okTvdCo0G+lMMm1rMYbk4IK4x1X+kgQ==",
+      "version": "2.0.6",
+      "resolved": "https://registry.npmjs.org/clipboard/-/clipboard-2.0.6.tgz",
+      "integrity": "sha512-g5zbiixBRk/wyKakSwCKd7vQXDjFnAMGHoEyBogG/bw9kTD9GvdAvaoRR1ALcEzt3pVKxZR0pViekPMIS0QyGg==",
       "optional": true,
       "requires": {
         "good-listener": "^1.2.2",
@@ -10024,9 +10024,9 @@
       "dev": true
     },
     "prismjs": {
-      "version": "1.19.0",
-      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.19.0.tgz",
-      "integrity": "sha512-IVFtbW9mCWm9eOIaEkNyo2Vl4NnEifis2GQ7/MLRG5TQe6t+4Sj9J5QWI9i3v+SS43uZBlCAOn+zYTVYQcPXJw==",
+      "version": "1.20.0",
+      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.20.0.tgz",
+      "integrity": "sha512-AEDjSrVNkynnw6A+B1DsFkd6AVdTnp+/WoUixFRULlCLZVRZlVQMVWio/16jv7G1FscUxQxOQhWwApgbnxr6kQ==",
       "requires": {
         "clipboard": "^2.0.0"
       }
diff --git a/package.json b/package.json
index 22af1a97..16eee958 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "test": "npm run lint && npm run unittest"
   },
   "dependencies": {
-    "prismjs": "1.19.0"
+    "prismjs": "1.20.0"
   },
   "devDependencies": {
     "@babel/cli": "7.8.4",