diff --git a/packages/backend/package.json b/packages/backend/package.json
index fbce696a3e..eace3f3ff0 100644
--- a/packages/backend/package.json
+++ b/packages/backend/package.json
@@ -72,7 +72,7 @@
 		"json5-loader": "4.0.1",
 		"jsonld": "8.1.0",
 		"jsrsasign": "10.6.1",
-		"mfm-js": "0.23.1",
+		"mfm-js": "0.23.3",
 		"mime-types": "2.1.35",
 		"misskey-js": "0.0.14",
 		"ms": "3.0.0-canary.1",
diff --git a/packages/frontend/package.json b/packages/frontend/package.json
index 0c33ada766..177c09160c 100644
--- a/packages/frontend/package.json
+++ b/packages/frontend/package.json
@@ -37,7 +37,7 @@
 		"is-file-animated": "1.0.2",
 		"json5": "2.2.3",
 		"matter-js": "0.18.0",
-		"mfm-js": "0.23.1",
+		"mfm-js": "0.23.3",
 		"misskey-js": "0.0.14",
 		"photoswipe": "5.3.4",
 		"prismjs": "1.29.0",
diff --git a/packages/frontend/src/components/mfm.ts b/packages/frontend/src/components/mfm.ts
index 32b009bdaa..2dbb5217be 100644
--- a/packages/frontend/src/components/mfm.ts
+++ b/packages/frontend/src/components/mfm.ts
@@ -43,7 +43,7 @@ export default defineComponent({
 	render() {
 		if (this.text == null || this.text === '') return;
 
-		const ast = (this.plain ? mfm.parseSimple : mfm.parse)(this.text, { fnNameList: MFM_TAGS });
+		const ast = (this.plain ? mfm.parseSimple : mfm.parse)(this.text);
 
 		const validTime = (t: string | null | undefined) => {
 			if (t == null) return null;
diff --git a/yarn.lock b/yarn.lock
index cdf2a19e1d..a53f131460 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4225,7 +4225,7 @@ __metadata:
     json5-loader: 4.0.1
     jsonld: 8.1.0
     jsrsasign: 10.6.1
-    mfm-js: 0.23.1
+    mfm-js: 0.23.3
     mime-types: 2.1.35
     misskey-js: 0.0.14
     ms: 3.0.0-canary.1
@@ -8077,7 +8077,7 @@ __metadata:
     is-file-animated: 1.0.2
     json5: 2.2.3
     matter-js: 0.18.0
-    mfm-js: 0.23.1
+    mfm-js: 0.23.3
     misskey-js: 0.0.14
     photoswipe: 5.3.4
     prismjs: 1.29.0
@@ -11566,12 +11566,12 @@ __metadata:
   languageName: node
   linkType: hard
 
-"mfm-js@npm:0.23.1":
-  version: 0.23.1
-  resolution: "mfm-js@npm:0.23.1"
+"mfm-js@npm:0.23.3":
+  version: 0.23.3
+  resolution: "mfm-js@npm:0.23.3"
   dependencies:
     twemoji-parser: 14.0.0
-  checksum: 1c489ee30db7b4a2abd979f5e6453edb0c2e5ebb45e303cf4275215bb606620cf7df4b22442dfc560f6d2724986ed03153a301684a19a5decd72e8f8b5b3b81b
+  checksum: 7079f80a53a9afc8599333f3256fb18a6bf7c01102a2f8f2be657843726a34835e2af34e26bc5b27e45b217fb2f120c0d3006e9fab2a972c845e9f7361e3cc1b
   languageName: node
   linkType: hard