diff --git a/package.json b/package.json
index 73d80a5..b0ec9d9 100755
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
         "reflect-metadata": "0.1.13",
         "rxjs": "6.5.5",
         "jest": "26.0.1",
-        "ts-jest": "26.1.0",
+        "ts-jest": "26.1.4",
         "ts-node": "8.10.2",
         "tsconfig-paths": "3.9.0",
         "typedoc": "0.17.7",
diff --git a/yarn.lock b/yarn.lock
index eb568de..d96ff6c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -456,6 +456,16 @@
     "@types/yargs" "^15.0.0"
     chalk "^4.0.0"
 
+"@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==
+  dependencies:
+    "@types/istanbul-lib-coverage" "^2.0.0"
+    "@types/istanbul-reports" "^1.1.1"
+    "@types/yargs" "^15.0.0"
+    chalk "^4.0.0"
+
 "@nestjs/common@7.1.3":
   version "7.1.3"
   resolved "https://registry.yarnpkg.com/@nestjs/common/-/common-7.1.3.tgz#e89ec4891cf2219cfb943d0f46dcbfd583da757c"
@@ -3167,6 +3177,17 @@ jest-snapshot@^26.0.1:
     pretty-format "^26.0.1"
     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==
+  dependencies:
+    "@jest/types" "^26.1.0"
+    chalk "^4.0.0"
+    graceful-fs "^4.2.4"
+    is-ci "^2.0.0"
+    micromatch "^4.0.2"
+
 jest-util@^26.0.1:
   version "26.0.1"
   resolved "https://registry.yarnpkg.com/jest-util/-/jest-util-26.0.1.tgz#72c4c51177b695fdd795ca072a6f94e3d7cef00a"
@@ -3499,14 +3520,6 @@ methods@~1.1.2:
   resolved "https://registry.yarnpkg.com/methods/-/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"
   integrity sha1-VSmk1nZUE07cxSZmVoNbD4Ua/O4=
 
-micromatch@4.x, micromatch@^4.0.2:
-  version "4.0.2"
-  resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-4.0.2.tgz#4fcb0999bf9fbc2fcbdd212f6d629b9a56c39259"
-  integrity sha512-y7FpHSbMUMoyPbYUSzO6PaZ6FyRnQOpHuKwbo1G+Knck95XVU4QAiKdGEnj5wwoS7PlOgthX/09u5iFJ+aYf5Q==
-  dependencies:
-    braces "^3.0.1"
-    picomatch "^2.0.5"
-
 micromatch@^3.1.4:
   version "3.1.10"
   resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-3.1.10.tgz#70859bc95c9840952f359a068a3fc49f9ecfac23"
@@ -3526,6 +3539,14 @@ micromatch@^3.1.4:
     snapdragon "^0.8.1"
     to-regex "^3.0.2"
 
+micromatch@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-4.0.2.tgz#4fcb0999bf9fbc2fcbdd212f6d629b9a56c39259"
+  integrity sha512-y7FpHSbMUMoyPbYUSzO6PaZ6FyRnQOpHuKwbo1G+Knck95XVU4QAiKdGEnj5wwoS7PlOgthX/09u5iFJ+aYf5Q==
+  dependencies:
+    braces "^3.0.1"
+    picomatch "^2.0.5"
+
 mime-db@1.44.0:
   version "1.44.0"
   resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.44.0.tgz#fa11c5eb0aca1334b4233cb4d52f10c5a6272f92"
@@ -4959,18 +4980,18 @@ tr46@^2.0.2:
   dependencies:
     punycode "^2.1.1"
 
-ts-jest@26.1.0:
-  version "26.1.0"
-  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-26.1.0.tgz#e9070fc97b3ea5557a48b67c631c74eb35e15417"
-  integrity sha512-JbhQdyDMYN5nfKXaAwCIyaWLGwevcT2/dbqRPsQeh6NZPUuXjZQZEfeLb75tz0ubCIgEELNm6xAzTe5NXs5Y4Q==
+ts-jest@26.1.4:
+  version "26.1.4"
+  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-26.1.4.tgz#87d41a96016a8efe4b8cc14501d3785459af6fa6"
+  integrity sha512-Nd7diUX6NZWfWq6FYyvcIPR/c7GbEF75fH1R6coOp3fbNzbRJBZZAn0ueVS0r8r9ral1VcrpneAFAwB3TsVS1Q==
   dependencies:
     bs-logger "0.x"
     buffer-from "1.x"
     fast-json-stable-stringify "2.x"
+    jest-util "26.x"
     json5 "2.x"
     lodash.memoize "4.x"
     make-error "1.x"
-    micromatch "4.x"
     mkdirp "1.x"
     semver "7.x"
     yargs-parser "18.x"