diff --git a/package-lock.json b/package-lock.json
index 0f1e7ab..d86b368 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6408,9 +6408,9 @@
             "dev": true
         },
         "prismjs": {
-            "version": "1.17.1",
-            "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.17.1.tgz",
-            "integrity": "sha512-PrEDJAFdUGbOP6xK/UsfkC5ghJsPJviKgnQOoxaDbBjwc8op68Quupwt1DeAFoG8GImPhiKXAvvsH7wDSLsu1Q==",
+            "version": "1.21.0",
+            "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.21.0.tgz",
+            "integrity": "sha512-uGdSIu1nk3kej2iZsLyDoJ7e9bnPzIgY0naW/HdknGj61zScaprVEVGHrPoXqI+M9sP0NDnTK2jpkvmldpuqDw==",
             "requires": {
                 "clipboard": "^2.0.0"
             }
diff --git a/package.json b/package.json
index d24a1f8..99474c6 100644
--- a/package.json
+++ b/package.json
@@ -60,7 +60,7 @@
         "nouislider": "11.0.3",
         "onscreen": "1.3.4",
         "popper.js": "1.16.0",
-        "prismjs": "1.17.1",
+        "prismjs": "1.21.0",
         "smooth-scroll": "^16.1.0",
         "sticky-sidebar": "3.3.1",
         "waypoints": "4.0.1"