diff --git a/package.json b/package.json
index 12b22f5..abd94f4 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": "4.7.2",
     "vitest": "0.12.6"
   }
 }
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index c0772a3..6b2663b 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: 4.7.2
   vitest: 0.12.6
 
 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@4.7.2
+  typescript: 4.7.2
   vitest: 0.12.6
 
 packages:
@@ -1164,7 +1164,7 @@ packages:
     resolution: {integrity: sha512-Y/arvbn+rrz3JCKl9C4kVNfTfSm2/mEp5FSz5EsZSANGPSlQrpRI5M4PKF+mJnE52jOO90PnPSc3Ur3bTQw0gA==}
     dev: true
 
-  /tsup/5.11.13_typescript@4.5.4:
+  /tsup/5.11.13_typescript@4.7.2:
     resolution: {integrity: sha512-NVMK01gVmojZn7+iZwxRK1CzW2BIabaVMyEjs7Nm9lm4DrSf7IAqs2F3fg0vT7rH72x1cIBsW9U/TlWrCvHVQQ==}
     hasBin: true
     peerDependencies:
@@ -1187,7 +1187,7 @@ packages:
       source-map: 0.7.3
       sucrase: 3.20.3
       tree-kill: 1.2.2
-      typescript: 4.5.4
+      typescript: 4.7.2
     transitivePeerDependencies:
       - supports-color
     dev: true
@@ -1197,8 +1197,8 @@ packages:
     engines: {node: '>=4'}
     dev: true
 
-  /typescript/4.5.4:
-    resolution: {integrity: sha512-VgYs2A2QIRuGphtzFV7aQJduJ2gyfTljngLzjpfW9FoYZF6xuw1W0vW9ghCKLfcWrCFxK81CSGRAvS1pn4fIUg==}
+  /typescript/4.7.2:
+    resolution: {integrity: sha512-Mamb1iX2FDUpcTRzltPxgWMKy3fhg0TN378ylbktPGPK/99KbDtMQ4W1hwgsbPAsG3a0xKa1vmw4VKZQbkvz5A==}
     engines: {node: '>=4.2.0'}
     hasBin: true
     dev: true