diff --git a/package.json b/package.json
index 68b0824..5050ff2 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "@types/ws": "8.2.0",
     "jest": "26.6.3",
     "ts-jest": "26.4.4",
-    "typescript": "4.1.2"
+    "typescript": "4.6.3"
   },
   "dependencies": {
     "@yume-chan/async-operation-manager": "^2.0.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 643f7e3..c1488b0 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -9,7 +9,7 @@ specifiers:
   '@yume-chan/multi-map': ^1.0.2
   jest: 26.6.3
   ts-jest: 26.4.4
-  typescript: 4.1.2
+  typescript: 4.6.3
   ws: ^8.0.0
 
 dependencies:
@@ -23,8 +23,8 @@ devDependencies:
   '@types/node': 16.11.7
   '@types/ws': 8.2.0
   jest: 26.6.3
-  ts-jest: 26.4.4_jest@26.6.3+typescript@4.1.2
-  typescript: 4.1.2
+  ts-jest: 26.4.4_jest@26.6.3+typescript@4.6.3
+  typescript: 4.6.3
 
 packages:
 
@@ -3423,7 +3423,7 @@ packages:
       punycode: 2.1.1
     dev: true
 
-  /ts-jest/26.4.4_jest@26.6.3+typescript@4.1.2:
+  /ts-jest/26.4.4_jest@26.6.3+typescript@4.6.3:
     resolution: {integrity: sha512-3lFWKbLxJm34QxyVNNCgXX1u4o/RV0myvA2y2Bxm46iGIjKlaY0own9gIckbjZJPn+WaJEnfPPJ20HHGpoq4yg==}
     engines: {node: '>= 10'}
     hasBin: true
@@ -3442,7 +3442,7 @@ packages:
       make-error: 1.3.6
       mkdirp: 1.0.4
       semver: 7.3.2
-      typescript: 4.1.2
+      typescript: 4.6.3
       yargs-parser: 20.2.1
     dev: true
 
@@ -3489,8 +3489,8 @@ packages:
       is-typedarray: 1.0.0
     dev: true
 
-  /typescript/4.1.2:
-    resolution: {integrity: sha512-thGloWsGH3SOxv1SoY7QojKi0tc+8FnOmiarEGMbd/lar7QOEd3hvlx3Fp5y6FlDUGl9L+pd4n2e+oToGMmhRQ==}
+  /typescript/4.6.3:
+    resolution: {integrity: sha512-yNIatDa5iaofVozS/uQJEl3JRWLKKGJKh6Yaiv0GLGSuhpFJe7P3SbHZ8/yjAHRQwKRoA6YZqlfjXWmVzoVSMw==}
     engines: {node: '>=4.2.0'}
     hasBin: true
     dev: true