diff --git a/package.json b/package.json
index de5fa90..4d1dce7 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "@egoist/prettier-config": "1.0.0",
     "prettier": "2.5.1",
     "tsup": "5.11.13",
-    "typescript": "4.5.4",
+    "typescript": "4.6.3",
     "vitest": "0.2.5"
   }
 }
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 01255f3..c373925 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -4,14 +4,14 @@ specifiers:
   '@egoist/prettier-config': 1.0.0
   prettier: 2.5.1
   tsup: 5.11.13
-  typescript: 4.5.4
+  typescript: 4.6.3
   vitest: 0.2.5
 
 devDependencies:
   '@egoist/prettier-config': 1.0.0
   prettier: 2.5.1
-  tsup: 5.11.13_typescript@4.5.4
-  typescript: 4.5.4
+  tsup: 5.11.13_typescript@4.6.3
+  typescript: 4.6.3
   vitest: 0.2.5
 
 packages:
@@ -1109,7 +1109,7 @@ packages:
     resolution: {integrity: sha512-Y/arvbn+rrz3JCKl9C4kVNfTfSm2/mEp5FSz5EsZSANGPSlQrpRI5M4PKF+mJnE52jOO90PnPSc3Ur3bTQw0gA==}
     dev: true
 
-  /tsup/5.11.13_typescript@4.5.4:
+  /tsup/5.11.13_typescript@4.6.3:
     resolution: {integrity: sha512-NVMK01gVmojZn7+iZwxRK1CzW2BIabaVMyEjs7Nm9lm4DrSf7IAqs2F3fg0vT7rH72x1cIBsW9U/TlWrCvHVQQ==}
     hasBin: true
     peerDependencies:
@@ -1132,7 +1132,7 @@ packages:
       source-map: 0.7.3
       sucrase: 3.20.3
       tree-kill: 1.2.2
-      typescript: 4.5.4
+      typescript: 4.6.3
     transitivePeerDependencies:
       - supports-color
     dev: true
@@ -1142,8 +1142,8 @@ packages:
     engines: {node: '>=4'}
     dev: true
 
-  /typescript/4.5.4:
-    resolution: {integrity: sha512-VgYs2A2QIRuGphtzFV7aQJduJ2gyfTljngLzjpfW9FoYZF6xuw1W0vW9ghCKLfcWrCFxK81CSGRAvS1pn4fIUg==}
+  /typescript/4.6.3:
+    resolution: {integrity: sha512-yNIatDa5iaofVozS/uQJEl3JRWLKKGJKh6Yaiv0GLGSuhpFJe7P3SbHZ8/yjAHRQwKRoA6YZqlfjXWmVzoVSMw==}
     engines: {node: '>=4.2.0'}
     hasBin: true
     dev: true