diff --git a/package.json b/package.json
index acd20dc..d517eaa 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "@types/node": "14.14.10",
     "@types/ws": "8.2.0",
     "jest": "26.6.3",
-    "ts-jest": "26.4.4",
+    "ts-jest": "26.5.6",
     "typescript": "4.1.2"
   },
   "dependencies": {
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 2ad59a7..be651f0 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -8,7 +8,7 @@ specifiers:
   '@yume-chan/koshare-router-client': ^1.0.1
   '@yume-chan/multi-map': ^1.0.2
   jest: 26.6.3
-  ts-jest: 26.4.4
+  ts-jest: 26.5.6
   typescript: 4.1.2
   ws: ^8.0.0
 
@@ -23,7 +23,7 @@ devDependencies:
   '@types/node': 14.14.10
   '@types/ws': 8.2.0
   jest: 26.6.3
-  ts-jest: 26.4.4_jest@26.6.3+typescript@4.1.2
+  ts-jest: 26.5.6_jest@26.6.3+typescript@4.1.2
   typescript: 4.1.2
 
 packages:
@@ -2240,18 +2240,6 @@ packages:
       semver: 7.3.2
     dev: true
 
-  /jest-util/26.5.2:
-    resolution: {integrity: sha512-WTL675bK+GSSAYgS8z9FWdCT2nccO1yTIplNLPlP0OD8tUk/H5IrWKMMRudIQQ0qp8bb4k+1Qa8CxGKq9qnYdg==}
-    engines: {node: '>= 10.14.2'}
-    dependencies:
-      '@jest/types': 26.5.2
-      '@types/node': 14.14.10
-      chalk: 4.0.0
-      graceful-fs: 4.2.4
-      is-ci: 2.0.0
-      micromatch: 4.0.2
-    dev: true
-
   /jest-util/26.6.2:
     resolution: {integrity: sha512-MDW0fKfsn0OI7MS7Euz6h8HNDXVQ0gaM9uW6RjfDmd1DAFcaxX9OqIakHIqhbnmF08Cf2DLDG+ulq8YQQ0Lp0Q==}
     engines: {node: '>= 10.14.2'}
@@ -2462,10 +2450,6 @@ packages:
       p-locate: 4.1.0
     dev: true
 
-  /lodash.memoize/4.1.2:
-    resolution: {integrity: sha1-vMbEmkKihA7Zl/Mj6tpezRguC/4=}
-    dev: true
-
   /lodash.sortby/4.7.0:
     resolution: {integrity: sha1-7dFMgk4sycHgsKG0K7UhBRakJDg=}
     dev: true
@@ -3423,22 +3407,21 @@ packages:
       punycode: 2.1.1
     dev: true
 
-  /ts-jest/26.4.4_jest@26.6.3+typescript@4.1.2:
-    resolution: {integrity: sha512-3lFWKbLxJm34QxyVNNCgXX1u4o/RV0myvA2y2Bxm46iGIjKlaY0own9gIckbjZJPn+WaJEnfPPJ20HHGpoq4yg==}
+  /ts-jest/26.5.6_jest@26.6.3+typescript@4.1.2:
+    resolution: {integrity: sha512-rua+rCP8DxpA8b4DQD/6X2HQS8Zy/xzViVYfEs2OQu68tkCuKLV0Md8pmX55+W24uRIyAsf/BajRfxOs+R2MKA==}
     engines: {node: '>= 10'}
     hasBin: true
     peerDependencies:
       jest: '>=26 <27'
       typescript: '>=3.8 <5.0'
     dependencies:
-      '@types/jest': 26.0.15
       bs-logger: 0.2.6
       buffer-from: 1.1.1
       fast-json-stable-stringify: 2.1.0
       jest: 26.6.3
-      jest-util: 26.5.2
+      jest-util: 26.6.2
       json5: 2.1.3
-      lodash.memoize: 4.1.2
+      lodash: 4.17.15
       make-error: 1.3.6
       mkdirp: 1.0.4
       semver: 7.3.2