diff --git a/packages/misskey-js/generator/package.json b/packages/misskey-js/generator/package.json
index 2ef3c88828..5b4014c968 100644
--- a/packages/misskey-js/generator/package.json
+++ b/packages/misskey-js/generator/package.json
@@ -12,7 +12,7 @@
 		"@typescript-eslint/eslint-plugin": "8.32.1",
 		"@typescript-eslint/parser": "8.32.1",
 		"openapi-types": "12.1.3",
-		"openapi-typescript": "7.7.3",
+		"openapi-typescript": "7.8.0",
 		"ts-case-convert": "2.1.0",
 		"tsx": "4.19.4",
 		"typescript": "5.8.3"
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 55b389e5d4..62e3b26b1d 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -1397,8 +1397,8 @@ importers:
         specifier: 12.1.3
         version: 12.1.3
       openapi-typescript:
-        specifier: 7.7.3
-        version: 7.7.3(typescript@5.8.3)
+        specifier: 7.8.0
+        version: 7.8.0(typescript@5.8.3)
       ts-case-convert:
         specifier: 2.1.0
         version: 2.1.0
@@ -7924,6 +7924,10 @@ packages:
     resolution: {integrity: sha512-bNH9mmM9qsJ2X4r2Nat1B//1dJVcn3+iBLa3IgqJ7EbGaDNepL9QSHOxN4ng33s52VMMhhIfgCYDk3C4ZmlDAg==}
     engines: {node: '>=10'}
 
+  minimatch@5.1.6:
+    resolution: {integrity: sha512-lKwV/1brpG6mBUFHtb7NUmtABCb2WZZmm2wNiOA5hAb8VdCS4B3dtMWyvcoViccwAW/COERjXLt0zP1zXUN26g==}
+    engines: {node: '>=10'}
+
   minimatch@9.0.1:
     resolution: {integrity: sha512-0jWhJpD/MdhPXwPuiRkCbfYfSKp2qnn2eOc279qI7f+osl/l+prKSrvhg157zSYvx/1nmgn2NqdT6k2Z7zSH9w==}
     engines: {node: '>=16 || 14 >=14.17'}
@@ -8111,6 +8115,10 @@ packages:
     resolution: {integrity: sha512-c5XK0MjkGBrQPGYG24GBADZud0NCbznxNx0ZkS+ebUTrmV1qTDxPxSL8zEAPURXSbLRWVexxmP4986BziahL5w==}
     engines: {node: '>=10'}
 
+  node-abi@3.75.0:
+    resolution: {integrity: sha512-OhYaY5sDsIka7H7AtijtI9jwGYLyl29eQn/W623DiN/MIv5sUqc4g7BIDThX+gb7di9f6xK02nkp8sdfFWZLTg==}
+    engines: {node: '>=10'}
+
   node-abort-controller@3.1.1:
     resolution: {integrity: sha512-AGK2yQKIjRuqnc6VkX2Xj5d+QW8xZ87pa1UK6yA6ouUyuxfHuMP6umE5QK7UmTeOAymo+Zx1Fxiuw9rVx8taHQ==}
 
@@ -8324,8 +8332,8 @@ packages:
   openapi-types@12.1.3:
     resolution: {integrity: sha512-N4YtSYJqghVu4iek2ZUvcN/0aqH1kRDuNqzcycDxhOUpg7GdvLa2F3DgS6yBNhInhv2r/6I0Flkn7CqL8+nIcw==}
 
-  openapi-typescript@7.7.3:
-    resolution: {integrity: sha512-w8s82UbR5QSh8t56w0++pCva5rdRM3My8Jx/UM7BfDE1j2fzylJKSIe1cF+qM9cdjJc+5MVwdpJ7fqMc3mAPVg==}
+  openapi-typescript@7.8.0:
+    resolution: {integrity: sha512-1EeVWmDzi16A+siQlo/SwSGIT7HwaFAVjvMA7/jG5HMLSnrUOzPL7uSTRZZa4v/LCRxHTApHKtNY6glApEoiUQ==}
     hasBin: true
     peerDependencies:
       typescript: ^5.x
@@ -13089,7 +13097,7 @@ snapshots:
       https-proxy-agent: 7.0.6(supports-color@10.0.0)
       js-levenshtein: 1.1.6
       js-yaml: 4.1.0
-      minimatch: 5.1.2
+      minimatch: 5.1.6
       pluralize: 8.0.0
       yaml-ast-parser: 0.0.43
     transitivePeerDependencies:
@@ -18948,6 +18956,10 @@ snapshots:
     dependencies:
       brace-expansion: 2.0.1
 
+  minimatch@5.1.6:
+    dependencies:
+      brace-expansion: 2.0.1
+
   minimatch@9.0.1:
     dependencies:
       brace-expansion: 2.0.1
@@ -19149,6 +19161,11 @@ snapshots:
     dependencies:
       semver: 7.7.2
 
+  node-abi@3.75.0:
+    dependencies:
+      semver: 7.7.2
+    optional: true
+
   node-abort-controller@3.1.1: {}
 
   node-addon-api@3.2.1:
@@ -19375,7 +19392,7 @@ snapshots:
 
   openapi-types@12.1.3: {}
 
-  openapi-typescript@7.7.3(typescript@5.8.3):
+  openapi-typescript@7.8.0(typescript@5.8.3):
     dependencies:
       '@redocly/openapi-core': 1.34.3(supports-color@10.0.0)
       ansi-colors: 4.1.3
@@ -19846,7 +19863,7 @@ snapshots:
       minimist: 1.2.8
       mkdirp-classic: 0.5.3
       napi-build-utils: 2.0.0
-      node-abi: 3.74.0
+      node-abi: 3.75.0
       pump: 3.0.2
       rc: 1.2.8
       simple-get: 4.0.1