diff --git a/package.json b/package.json
index 705a0cb..fbeb8fb 100644
--- a/package.json
+++ b/package.json
@@ -85,7 +85,7 @@
     "lint-staged": "10.2.13",
     "nodemon": "2.0.4",
     "prettier": "2.1.0",
-    "ts-jest": "26.2.0",
+    "ts-jest": "26.5.1",
     "ts-node": "9.0.0",
     "yarnhook": "0.4.3"
   }
diff --git a/yarn.lock b/yarn.lock
index 8b76b25..da03b18 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1233,20 +1233,21 @@
     "@types/yargs" "^15.0.0"
     chalk "^3.0.0"
 
-"@jest/types@^26.1.0":
-  version "26.1.0"
-  resolved "https://registry.yarnpkg.com/@jest/types/-/types-26.1.0.tgz#f8afaaaeeb23b5cad49dd1f7779689941dcb6057"
-  integrity sha512-GXigDDsp6ZlNMhXQDeuy/iYCDsRIHJabWtDzvnn36+aqFfG14JmFV0e/iXxY4SP9vbXSiPNOWdehU5MeqrYHBQ==
+"@jest/types@^26.3.0":
+  version "26.3.0"
+  resolved "https://registry.yarnpkg.com/@jest/types/-/types-26.3.0.tgz#97627bf4bdb72c55346eef98e3b3f7ddc4941f71"
+  integrity sha512-BDPG23U0qDeAvU4f99haztXwdAg3hz4El95LkAM+tHAqqhiVzRpEGHHU8EDxT/AnxOrA65YjLBwDahdJ9pTLJQ==
   dependencies:
     "@types/istanbul-lib-coverage" "^2.0.0"
-    "@types/istanbul-reports" "^1.1.1"
+    "@types/istanbul-reports" "^3.0.0"
+    "@types/node" "*"
     "@types/yargs" "^15.0.0"
     chalk "^4.0.0"
 
-"@jest/types@^26.3.0":
-  version "26.3.0"
-  resolved "https://registry.yarnpkg.com/@jest/types/-/types-26.3.0.tgz#97627bf4bdb72c55346eef98e3b3f7ddc4941f71"
-  integrity sha512-BDPG23U0qDeAvU4f99haztXwdAg3hz4El95LkAM+tHAqqhiVzRpEGHHU8EDxT/AnxOrA65YjLBwDahdJ9pTLJQ==
+"@jest/types@^26.6.2":
+  version "26.6.2"
+  resolved "https://registry.yarnpkg.com/@jest/types/-/types-26.6.2.tgz#bef5a532030e1d88a2f5a6d933f84e97226ed48e"
+  integrity sha512-fC6QCp7Sc5sX6g8Tvbmj4XUTbyrik0akgRy03yjXbQaBWWNWGE7SGtJk98m0N8nzegD/7SggrUlivxo5ax4KWQ==
   dependencies:
     "@types/istanbul-lib-coverage" "^2.0.0"
     "@types/istanbul-reports" "^3.0.0"
@@ -4851,12 +4852,13 @@ jest-snapshot@^26.4.2:
     pretty-format "^26.4.2"
     semver "^7.3.2"
 
-jest-util@26.x:
-  version "26.1.0"
-  resolved "https://registry.yarnpkg.com/jest-util/-/jest-util-26.1.0.tgz#80e85d4ba820decacf41a691c2042d5276e5d8d8"
-  integrity sha512-rNMOwFQevljfNGvbzNQAxdmXQ+NawW/J72dmddsK0E8vgxXCMtwQ/EH0BiWEIxh0hhMcTsxwAxINt7Lh46Uzbg==
+jest-util@^26.1.0:
+  version "26.6.2"
+  resolved "https://registry.yarnpkg.com/jest-util/-/jest-util-26.6.2.tgz#907535dbe4d5a6cb4c47ac9b926f6af29576cbc1"
+  integrity sha512-MDW0fKfsn0OI7MS7Euz6h8HNDXVQ0gaM9uW6RjfDmd1DAFcaxX9OqIakHIqhbnmF08Cf2DLDG+ulq8YQQ0Lp0Q==
   dependencies:
-    "@jest/types" "^26.1.0"
+    "@jest/types" "^26.6.2"
+    "@types/node" "*"
     chalk "^4.0.0"
     graceful-fs "^4.2.4"
     is-ci "^2.0.0"
@@ -5115,10 +5117,6 @@ locate-path@^5.0.0:
   dependencies:
     p-locate "^4.1.0"
 
-lodash.memoize@4.x:
-  version "4.1.2"
-  resolved "https://registry.yarnpkg.com/lodash.memoize/-/lodash.memoize-4.1.2.tgz#bcc6c49a42a2840ed997f323eada5ecd182e0bfe"
-
 lodash.sortby@^4.7.0:
   version "4.7.0"
   resolved "https://registry.yarnpkg.com/lodash.sortby/-/lodash.sortby-4.7.0.tgz#edd14c824e2cc9c1e0b0a1b42bb5210516a42438"
@@ -5127,6 +5125,11 @@ lodash@4.17.15, lodash@^4.17.13, lodash@^4.17.15:
   version "4.17.15"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
 
+lodash@4.x:
+  version "4.17.20"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.20.tgz#b44a9b6297bcb698f1c51a3545a2b3b368d59c52"
+  integrity sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==
+
 log-symbols@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/log-symbols/-/log-symbols-4.0.0.tgz#69b3cc46d20f448eccdb75ea1fa733d9e821c920"
@@ -7119,22 +7122,22 @@ ts-invariant@^0.4.0:
   dependencies:
     tslib "^1.9.3"
 
-ts-jest@26.2.0:
-  version "26.2.0"
-  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-26.2.0.tgz#7ec22faceb05ee1467fdb5265d1b33c27441f163"
-  integrity sha512-9+y2qwzXdAImgLSYLXAb/Rhq9+K4rbt0417b8ai987V60g2uoNWBBmMkYgutI7D8Zhu+IbCSHbBtrHxB9d7xyA==
+ts-jest@26.5.1:
+  version "26.5.1"
+  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-26.5.1.tgz#4d53ee4481552f57c1624f0bd3425c8b17996150"
+  integrity sha512-G7Rmo3OJMvlqE79amJX8VJKDiRcd7/r61wh9fnvvG8cAjhA9edklGw/dCxRSQmfZ/z8NDums5srSVgwZos1qfg==
   dependencies:
     "@types/jest" "26.x"
     bs-logger "0.x"
     buffer-from "1.x"
     fast-json-stable-stringify "2.x"
-    jest-util "26.x"
+    jest-util "^26.1.0"
     json5 "2.x"
-    lodash.memoize "4.x"
+    lodash "4.x"
     make-error "1.x"
     mkdirp "1.x"
     semver "7.x"
-    yargs-parser "18.x"
+    yargs-parser "20.x"
 
 ts-node@9.0.0:
   version "9.0.0"
@@ -7587,12 +7590,10 @@ yaml@^1.7.2:
   dependencies:
     "@babel/runtime" "^7.9.2"
 
-yargs-parser@18.x, yargs-parser@^18.1.1:
-  version "18.1.3"
-  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-18.1.3.tgz#be68c4975c6b2abf469236b0c870362fab09a7b0"
-  dependencies:
-    camelcase "^5.0.0"
-    decamelize "^1.2.0"
+yargs-parser@20.x:
+  version "20.2.4"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-20.2.4.tgz#b42890f14566796f85ae8e3a25290d205f154a54"
+  integrity sha512-WOkpgNhPTlE73h4VFAFsOnomJVaovO8VqLDzy5saChRBFQFBoMYirowyW+Q9HB4HFF4Z7VZTiG3iSzJJA29yRA==
 
 yargs-parser@^15.0.1:
   version "15.0.1"
@@ -7602,6 +7603,13 @@ yargs-parser@^15.0.1:
     camelcase "^5.0.0"
     decamelize "^1.2.0"
 
+yargs-parser@^18.1.1:
+  version "18.1.3"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-18.1.3.tgz#be68c4975c6b2abf469236b0c870362fab09a7b0"
+  dependencies:
+    camelcase "^5.0.0"
+    decamelize "^1.2.0"
+
 yargs@^14.2.0:
   version "14.2.3"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-14.2.3.tgz#1a1c3edced1afb2a2fea33604bc6d1d8d688a414"