diff --git a/apps/web/package.json b/apps/web/package.json
index f98effb..d32bfa1 100644
--- a/apps/web/package.json
+++ b/apps/web/package.json
@@ -25,7 +25,7 @@
     "katex": "0.16.21",
     "mdsvex": "0.12.3",
     "misskey-js": "2024.11.1-alpha.0",
-    "prismjs": "1.29.0",
+    "prismjs": "1.30.0",
     "rehype-external-links": "3.0.0",
     "rehype-katex": "7.0.1",
     "rehype-katex-svelte": "1.2.0",
diff --git a/yarn.lock b/yarn.lock
index aa89258..77ff433 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2807,7 +2807,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"prismjs@npm:1.29.0, prismjs@npm:^1.17.1":
+"prismjs@npm:1.30.0":
+  version: 1.30.0
+  resolution: "prismjs@npm:1.30.0"
+  checksum: 10c0/f56205bfd58ef71ccfcbcb691fd0eb84adc96c6ff21b0b69fc6fdcf02be42d6ef972ba4aed60466310de3d67733f6a746f89f2fb79c00bf217406d465b3e8f23
+  languageName: node
+  linkType: hard
+
+"prismjs@npm:^1.17.1":
   version: 1.29.0
   resolution: "prismjs@npm:1.29.0"
   checksum: 10c0/d906c4c4d01b446db549b4f57f72d5d7e6ccaca04ecc670fb85cea4d4b1acc1283e945a9cbc3d81819084a699b382f970e02f9d1378e14af9808d366d9ed7ec6
@@ -3967,7 +3974,7 @@ __metadata:
     lucide-svelte: "npm:0.475.0"
     mdsvex: "npm:0.12.3"
     misskey-js: "npm:2024.11.1-alpha.0"
-    prismjs: "npm:1.29.0"
+    prismjs: "npm:1.30.0"
     rehype-external-links: "npm:3.0.0"
     rehype-katex: "npm:7.0.1"
     rehype-katex-svelte: "npm:1.2.0"