diff --git a/package.json b/package.json
index 4f9095d..08f1e00 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "concurrently": "^4.1.0",
     "http-server": "^0.11.1",
     "jest": "^24.1.0",
-    "ts-jest": "^24.0.0",
+    "ts-jest": "^25.1.0",
     "tslint": "^5.9.1",
     "tslint-config-micro-tools": "^0.1.0",
     "typescript": "^3.3.3"
diff --git a/yarn.lock b/yarn.lock
index 3e631e3..67f8d67 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2328,6 +2328,11 @@ locate-path@^3.0.0:
     p-locate "^3.0.0"
     path-exists "^3.0.0"
 
+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.sortby@^4.7.0:
   version "4.7.0"
   resolved "https://registry.yarnpkg.com/lodash.sortby/-/lodash.sortby-4.7.0.tgz#edd14c824e2cc9c1e0b0a1b42bb5210516a42438"
@@ -3652,15 +3657,16 @@ trim-right@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/trim-right/-/trim-right-1.0.1.tgz#cb2e1203067e0c8de1f614094b9fe45704ea6003"
 
-ts-jest@^24.0.0:
-  version "24.0.0"
-  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-24.0.0.tgz#3f26bf2ec1fa584863a5a9c29bd8717d549efbf6"
-  integrity sha512-o8BO3TkMREpAATaFTrXkovMsCpBl2z4NDBoLJuWZcJJj1ijI49UnvDMfVpj+iogn/Jl8Pbhuei5nc/Ti+frEHw==
+ts-jest@^25.1.0:
+  version "25.1.0"
+  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-25.1.0.tgz#06e776c4cce8a4da8eec4945f36a5823d0c0f9ba"
+  integrity sha512-1Lf576ulKhbxX5og+tG8udVg/5cgcMLPBxp1iCqbbf6VvUK4gEsgAtzMjl8u98izhLrzKMPB0LxCBKEZ5l19Hw==
   dependencies:
     bs-logger "0.x"
     buffer-from "1.x"
     fast-json-stable-stringify "2.x"
     json5 "2.x"
+    lodash.memoize "4.x"
     make-error "1.x"
     mkdirp "0.x"
     resolve "1.x"