diff --git a/yarn.lock b/yarn.lock
index 51ef910..61704ca 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -797,14 +797,6 @@
   dependencies:
     "@types/istanbul-lib-report" "*"
 
-"@types/jest@26.x":
-  version "26.0.15"
-  resolved "https://registry.yarnpkg.com/@types/jest/-/jest-26.0.15.tgz#12e02c0372ad0548e07b9f4e19132b834cb1effe"
-  integrity sha512-s2VMReFXRg9XXxV+CW9e5Nz8fH2K1aEhwgjUqPPbQd7g95T0laAcvLv032EhFHIa5GHsZ8W7iJEQVaJq6k3Gog==
-  dependencies:
-    jest-diff "^26.0.0"
-    pretty-format "^26.0.0"
-
 "@types/minimist@^1.2.0":
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/@types/minimist/-/minimist-1.2.1.tgz#283f669ff76d7b8260df8ab7a4262cc83d988256"
@@ -2990,7 +2982,7 @@ jest-config@^26.6.3:
     micromatch "^4.0.2"
     pretty-format "^26.6.2"
 
-jest-diff@^26.0.0, jest-diff@^26.6.2:
+jest-diff@^26.6.2:
   version "26.6.2"
   resolved "https://registry.yarnpkg.com/jest-diff/-/jest-diff-26.6.2.tgz#1aa7468b52c3a68d7d5c5fdcdfcd5e49bd164394"
   integrity sha512-6m+9Z3Gv9wN0WFVasqjCL/06+EFCMTqDEUl/b87HYK2rAPTyfz4ZIuSlPhY51PIQRWx5TaxeF1qmXKe9gfN3sA==
@@ -4308,7 +4300,7 @@ prettier@^2.1.2:
   resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.2.1.tgz#795a1a78dd52f073da0cd42b21f9c91381923ff5"
   integrity sha512-PqyhM2yCjg/oKkFPtTGUojv7gnZAoG80ttl45O6x2Ug/rMJw4wcc9k6aaf2hibP7BGVCCM33gZoGjyvt9mm16Q==
 
-pretty-format@^26.0.0, pretty-format@^26.6.2:
+pretty-format@^26.6.2:
   version "26.6.2"
   resolved "https://registry.yarnpkg.com/pretty-format/-/pretty-format-26.6.2.tgz#e35c2705f14cb7fe2fe94fa078345b444120fc93"
   integrity sha512-7AeGuCYNGmycyQbCqd/3PWH4eOoX/OiCa0uphp57NVTeAGdJGaAliecxwBDHYQCIvrW7aDBZCYeNTP/WX69mkg==
@@ -5282,11 +5274,10 @@ trim-off-newlines@^1.0.0:
   integrity sha1-n5up2e+odkw4dpi8v+sshI8RrbM=
 
 ts-jest@^26.4.4:
-  version "26.5.2"
-  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-26.5.2.tgz#5281d6b44c2f94f71205728a389edc3d7995b0c4"
-  integrity sha512-bwyJ2zJieSugf7RB+o8fgkMeoMVMM2KPDE0UklRLuACxjwJsOrZNo6chrcScmK33YavPSwhARffy8dZx5LJdUQ==
+  version "26.5.3"
+  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-26.5.3.tgz#a6ee00ba547be3b09877550df40a1465d0295554"
+  integrity sha512-nBiiFGNvtujdLryU7MiMQh1iPmnZ/QvOskBbD2kURiI1MwqvxlxNnaAB/z9TbslMqCsSbu5BXvSSQPc5tvHGeA==
   dependencies:
-    "@types/jest" "26.x"
     bs-logger "0.x"
     buffer-from "1.x"
     fast-json-stable-stringify "2.x"