diff --git a/themes/custom-theme/package-lock.json b/themes/custom-theme/package-lock.json
index 17eaf282..3945f993 100644
--- a/themes/custom-theme/package-lock.json
+++ b/themes/custom-theme/package-lock.json
@@ -13,7 +13,7 @@
         "flexsearch": "^0.7.31",
         "normalize.css": "^8.0.1",
         "prism-themes": "^1.9.0",
-        "prismjs": "^1.29.0",
+        "prismjs": "^1.30.0",
         "simple-icons": "^9.19.0",
         "typeface-fira-code": "^1.1.13",
         "typeface-roboto-slab": "^1.1.13"
@@ -5674,9 +5674,10 @@
       "integrity": "sha512-tX2AYsehKDw1EORwBps+WhBFKc2kxfoFpQAjxBndbZKr4fRmMkv47XN0BghC/K1qwodB1otbe4oF23vUTFDokw=="
     },
     "node_modules/prismjs": {
-      "version": "1.29.0",
-      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.29.0.tgz",
-      "integrity": "sha512-Kx/1w86q/epKcmte75LNrEoT+lX8pBpavuAbvJWRXar7Hz8jrtF+e3vY751p0R8H9HdArwaCTNDDzHg/ScJK1Q==",
+      "version": "1.30.0",
+      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.30.0.tgz",
+      "integrity": "sha512-DEvV2ZF2r2/63V+tK8hQvrR2ZGn10srHbXviTlcv7Kpzw8jWiNTqbVgjO3IY8RxrrOUF8VPMQQFysYYYv0YZxw==",
+      "license": "MIT",
       "engines": {
         "node": ">=6"
       }
@@ -10304,9 +10305,9 @@
       "integrity": "sha512-tX2AYsehKDw1EORwBps+WhBFKc2kxfoFpQAjxBndbZKr4fRmMkv47XN0BghC/K1qwodB1otbe4oF23vUTFDokw=="
     },
     "prismjs": {
-      "version": "1.29.0",
-      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.29.0.tgz",
-      "integrity": "sha512-Kx/1w86q/epKcmte75LNrEoT+lX8pBpavuAbvJWRXar7Hz8jrtF+e3vY751p0R8H9HdArwaCTNDDzHg/ScJK1Q=="
+      "version": "1.30.0",
+      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.30.0.tgz",
+      "integrity": "sha512-DEvV2ZF2r2/63V+tK8hQvrR2ZGn10srHbXviTlcv7Kpzw8jWiNTqbVgjO3IY8RxrrOUF8VPMQQFysYYYv0YZxw=="
     },
     "punycode": {
       "version": "2.1.1",
diff --git a/themes/custom-theme/package.json b/themes/custom-theme/package.json
index 5fc6d878..5b907360 100644
--- a/themes/custom-theme/package.json
+++ b/themes/custom-theme/package.json
@@ -44,7 +44,7 @@
     "flexsearch": "^0.7.31",
     "normalize.css": "^8.0.1",
     "prism-themes": "^1.9.0",
-    "prismjs": "^1.29.0",
+    "prismjs": "^1.30.0",
     "simple-icons": "^9.19.0",
     "typeface-fira-code": "^1.1.13",
     "typeface-roboto-slab": "^1.1.13"