diff --git a/package.json b/package.json
index abea494..9e9de0f 100644
--- a/package.json
+++ b/package.json
@@ -52,7 +52,7 @@
     "jest": "26.0.1",
     "prettier": "^1.19.1",
     "supertest": "^4.0.2",
-    "ts-jest": "26.1.0",
+    "ts-jest": "26.1.4",
     "ts-loader": "^6.2.1",
     "ts-node": "^8.6.2",
     "tsconfig-paths": "^3.9.0",
diff --git a/yarn.lock b/yarn.lock
index 15dac1a..025c819 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4500,7 +4500,7 @@ jest-snapshot@^26.1.0:
     pretty-format "^26.1.0"
     semver "^7.3.2"
 
-jest-util@^26.1.0:
+jest-util@26.x, jest-util@^26.1.0:
   version "26.1.0"
   resolved "https://registry.yarnpkg.com/jest-util/-/jest-util-26.1.0.tgz#80e85d4ba820decacf41a691c2042d5276e5d8d8"
   integrity sha512-rNMOwFQevljfNGvbzNQAxdmXQ+NawW/J72dmddsK0E8vgxXCMtwQ/EH0BiWEIxh0hhMcTsxwAxINt7Lh46Uzbg==
@@ -5007,14 +5007,6 @@ methods@^1.1.1, methods@^1.1.2, methods@~1.1.2:
   resolved "https://registry.yarnpkg.com/methods/-/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"
   integrity sha1-VSmk1nZUE07cxSZmVoNbD4Ua/O4=
 
-micromatch@4.x, micromatch@^4.0.0, 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@^3.1.10, micromatch@^3.1.4:
   version "3.1.10"
   resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-3.1.10.tgz#70859bc95c9840952f359a068a3fc49f9ecfac23"
@@ -5034,6 +5026,14 @@ micromatch@^3.1.10, micromatch@^3.1.4:
     snapdragon "^0.8.1"
     to-regex "^3.0.2"
 
+micromatch@^4.0.0, 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"
+
 miller-rabin@^4.0.0:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/miller-rabin/-/miller-rabin-4.0.1.tgz#f080351c865b0dc562a8462966daa53543c78a4d"
@@ -7082,18 +7082,18 @@ tree-kill@1.2.2:
   resolved "https://registry.yarnpkg.com/tree-kill/-/tree-kill-1.2.2.tgz#4ca09a9092c88b73a7cdc5e8a01b507b0790a0cc"
   integrity sha512-L0Orpi8qGpRG//Nd+H90vFB+3iHnue1zSSGmNOOCh1GLJ7rUKVwV2HvijphGQS2UmhUZewS9VgvxYIdgr+fG1A==
 
-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"