diff --git a/package.json b/package.json
index 54c032b..9915fec 100644
--- a/package.json
+++ b/package.json
@@ -82,7 +82,7 @@
     "jest": "27.0.3",
     "jest-config": "27.0.3",
     "rimraf": "3.0.2",
-    "ts-jest": "27.0.1",
+    "ts-jest": "27.1.4",
     "typescript": "4.3.2"
   },
   "dependencies": {
diff --git a/yarn.lock b/yarn.lock
index 4dd4580..7744f28 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1440,7 +1440,7 @@ bson@^1.1.4:
   resolved "https://registry.yarnpkg.com/bson/-/bson-1.1.5.tgz#2aaae98fcdf6750c0848b0cba1ddec3c73060a34"
   integrity sha512-kDuEzldR21lHciPQAIulLs1LZlCXdLziXI6Mb/TDkwXhb//UORJNPXgcRs2CuO4H0DcMkpfT3/ySsP3unoZjBg==
 
-buffer-from@1.x, buffer-from@^1.0.0:
+buffer-from@^1.0.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.1.tgz#32713bc028f75c02fdb710d7c7bcec1f2c6070ef"
   integrity sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A==
@@ -3142,6 +3142,11 @@ lodash.clonedeep@^4.5.0:
   resolved "https://registry.yarnpkg.com/lodash.clonedeep/-/lodash.clonedeep-4.5.0.tgz#e23f3f9c4f8fbdde872529c1071857a086e5ccef"
   integrity sha1-4j8/nE+Pvd6HJSnBBxhXoIblzO8=
 
+lodash.memoize@4.x:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/lodash.memoize/-/lodash.memoize-4.1.2.tgz#bcc6c49a42a2840ed997f323eada5ecd182e0bfe"
+  integrity sha1-vMbEmkKihA7Zl/Mj6tpezRguC/4=
+
 lodash.merge@^4.6.2:
   version "4.6.2"
   resolved "https://registry.yarnpkg.com/lodash.merge/-/lodash.merge-4.6.2.tgz#558aa53b43b661e1925a0afdfa36a9a1085fe57a"
@@ -3157,7 +3162,7 @@ lodash.truncate@^4.4.2:
   resolved "https://registry.yarnpkg.com/lodash.truncate/-/lodash.truncate-4.4.2.tgz#5a350da0b1113b837ecfffd5812cbe58d6eae193"
   integrity sha1-WjUNoLERO4N+z//VgSy+WNbq4ZM=
 
-lodash@4.x, lodash@^4.17.15, lodash@^4.17.19, lodash@^4.7.0:
+lodash@^4.17.15, lodash@^4.17.19, lodash@^4.7.0:
   version "4.17.21"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
   integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
@@ -3264,11 +3269,6 @@ minimist@^1.2.5:
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.5.tgz#67d66014b66a6a8aaa0c083c5fd58df4e4e97602"
   integrity sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==
 
-mkdirp@1.x:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-1.0.4.tgz#3eb5ed62622756d79a5f0e2a221dfebad75c2f7e"
-  integrity sha512-vVqVZQyf3WLx2Shd0qJ9xuvqgAyKPLAiqITEtqW0oIUjzo3PePDd6fW9iFz30ef7Ysp/oiWqbhszeGWW2T6Gzw==
-
 mongodb@3.6.6:
   version "3.6.6"
   resolved "https://registry.yarnpkg.com/mongodb/-/mongodb-3.6.6.tgz#92e3658f45424c34add3003e3046c1535c534449"
@@ -4069,19 +4069,17 @@ triple-beam@^1.2.0, triple-beam@^1.3.0:
   resolved "https://registry.yarnpkg.com/triple-beam/-/triple-beam-1.3.0.tgz#a595214c7298db8339eeeee083e4d10bd8cb8dd9"
   integrity sha512-XrHUvV5HpdLmIj4uVMxHggLbFSZYIn7HEWsqePZcI50pco+MPqJ50wMGY794X7AOOhxOBAjbkqfAbEe/QMp2Lw==
 
-ts-jest@27.0.1:
-  version "27.0.1"
-  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-27.0.1.tgz#3cd174561c4bb311e0187a5837543fb858c60d16"
-  integrity sha512-03qAt77QjhxyM5Bt2KrrT1WbdumiwLz989sD3IUznSp3GIFQrx76kQqSMLF7ynnxrF3/1ipzABnHxMlU8PD4Vw==
+ts-jest@27.1.4:
+  version "27.1.4"
+  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-27.1.4.tgz#84d42cf0f4e7157a52e7c64b1492c46330943e00"
+  integrity sha512-qjkZlVPWVctAezwsOD1OPzbZ+k7zA5z3oxII4dGdZo5ggX/PL7kvwTM0pXTr10fAtbiVpJaL3bWd502zAhpgSQ==
   dependencies:
     bs-logger "0.x"
-    buffer-from "1.x"
     fast-json-stable-stringify "2.x"
     jest-util "^27.0.0"
     json5 "2.x"
-    lodash "4.x"
+    lodash.memoize "4.x"
     make-error "1.x"
-    mkdirp "1.x"
     semver "7.x"
     yargs-parser "20.x"