diff --git a/package.json b/package.json
index 468e28b..2ff7525 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
     "jest": "^27.4.5",
     "js-yaml": "^4.1.0",
     "prettier": "2.5.0",
-    "ts-jest": "^27.0.7",
+    "ts-jest": "^27.1.2",
     "typescript": "^4.5.4"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 0718268..79e9faf 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -531,17 +531,6 @@
     source-map "^0.6.1"
     write-file-atomic "^3.0.0"
 
-"@jest/types@^27.2.5":
-  version "27.2.5"
-  resolved "https://registry.yarnpkg.com/@jest/types/-/types-27.2.5.tgz#420765c052605e75686982d24b061b4cbba22132"
-  integrity sha512-nmuM4VuDtCZcY+eTpw+0nvstwReMsjPoj7ZR80/BbixulhLaiX+fbv8oeLW8WZlJMcsGQsTmMKT/iTZu1Uy/lQ==
-  dependencies:
-    "@types/istanbul-lib-coverage" "^2.0.0"
-    "@types/istanbul-reports" "^3.0.0"
-    "@types/node" "*"
-    "@types/yargs" "^16.0.0"
-    chalk "^4.0.0"
-
 "@jest/types@^27.4.2":
   version "27.4.2"
   resolved "https://registry.yarnpkg.com/@jest/types/-/types-27.4.2.tgz#96536ebd34da6392c2b7c7737d693885b5dd44a5"
@@ -1128,7 +1117,7 @@ check-type@^0.4.11:
   dependencies:
     underscore "1.6.0"
 
-ci-info@^3.1.1, ci-info@^3.2.0:
+ci-info@^3.2.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/ci-info/-/ci-info-3.2.0.tgz#2876cb948a498797b5236f0095bc057d0dca38b6"
   integrity sha512-dVqRX7fLUm8J6FgHJ418XuIgDLZDkYcDFTeL6TA2gt5WlIZUQrrH6EZrNClwT/H0FateUsZkGIOPRrLbP+PR9A==
@@ -2049,13 +2038,6 @@ is-callable@^1.1.4, is-callable@^1.2.4:
   resolved "https://registry.yarnpkg.com/is-callable/-/is-callable-1.2.4.tgz#47301d58dd0259407865547853df6d61fe471945"
   integrity sha512-nsuwtxZfMX67Oryl9LCQ+upnC0Z0BgpwntpS89m1H/TLF0zNfzfLMV/9Wa/6MZsj0acpEjAO0KF1xT6ZdLl95w==
 
-is-ci@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/is-ci/-/is-ci-3.0.0.tgz#c7e7be3c9d8eef7d0fa144390bd1e4b88dc4c994"
-  integrity sha512-kDXyttuLeslKAHYL/K28F2YkM3x5jvFPEw3yXbRptXydjD9rpLEz+C5K5iutY9ZiUu6AP41JdvRQwF4Iqs4ZCQ==
-  dependencies:
-    ci-info "^3.1.1"
-
 is-core-module@^2.2.0:
   version "2.7.0"
   resolved "https://registry.yarnpkg.com/is-core-module/-/is-core-module-2.7.0.tgz#3c0ef7d31b4acfc574f80c58409d568a836848e3"
@@ -2567,19 +2549,7 @@ jest-snapshot@^27.4.5:
     pretty-format "^27.4.2"
     semver "^7.3.2"
 
-jest-util@^27.0.0:
-  version "27.3.0"
-  resolved "https://registry.yarnpkg.com/jest-util/-/jest-util-27.3.0.tgz#178f211d308c25c9593d1c5a2f2b3aef28411741"
-  integrity sha512-SFSDBGKkxXi4jClmU1WLp/cMMlb4YX6+5Lb0CUySxmonArio8yJ2NALMWvQuXchgySiH7Rb912hVZ2QZ6t3x7w==
-  dependencies:
-    "@jest/types" "^27.2.5"
-    "@types/node" "*"
-    chalk "^4.0.0"
-    graceful-fs "^4.2.4"
-    is-ci "^3.0.0"
-    picomatch "^2.2.3"
-
-jest-util@^27.4.2:
+jest-util@^27.0.0, jest-util@^27.4.2:
   version "27.4.2"
   resolved "https://registry.yarnpkg.com/jest-util/-/jest-util-27.4.2.tgz#ed95b05b1adfd761e2cda47e0144c6a58e05a621"
   integrity sha512-YuxxpXU6nlMan9qyLuxHaMMOzXAl5aGZWCSzben5DhLHemYQxCc4YK+4L3ZrCutT8GPQ+ui9k5D8rUJoDioMnA==
@@ -3488,10 +3458,10 @@ tr46@^2.1.0:
   dependencies:
     punycode "^2.1.1"
 
-ts-jest@^27.0.7:
-  version "27.0.7"
-  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-27.0.7.tgz#fb7c8c8cb5526ab371bc1b23d06e745652cca2d0"
-  integrity sha512-O41shibMqzdafpuP+CkrOL7ykbmLh+FqQrXEmV9CydQ5JBk0Sj0uAEF5TNNe94fZWKm3yYvWa/IbyV4Yg1zK2Q==
+ts-jest@^27.1.2:
+  version "27.1.2"
+  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-27.1.2.tgz#5991d6eb3fd8e1a8d4b8f6de3ec0a3cc567f3151"
+  integrity sha512-eSOiJOWq6Hhs6Khzk5wKC5sgWIXgXqOCiIl1+3lfnearu58Hj4QpE5tUhQcA3xtZrELbcvAGCsd6HB8OsaVaTA==
   dependencies:
     bs-logger "0.x"
     fast-json-stable-stringify "2.x"