diff --git a/package-lock.json b/package-lock.json
index f3047b8..615f7ca 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2997,7 +2997,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -3412,7 +3413,8 @@
         "safe-buffer": {
           "version": "5.1.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -3468,6 +3470,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -3511,12 +3514,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -5350,6 +5355,12 @@
       "resolved": "https://registry.npmjs.org/lodash.isstring/-/lodash.isstring-4.0.1.tgz",
       "integrity": "sha1-1SfftUVuynzJu5XV2ur4i6VKVFE="
     },
+    "lodash.memoize": {
+      "version": "4.1.2",
+      "resolved": "https://registry.npmjs.org/lodash.memoize/-/lodash.memoize-4.1.2.tgz",
+      "integrity": "sha1-vMbEmkKihA7Zl/Mj6tpezRguC/4=",
+      "dev": true
+    },
     "lodash.once": {
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/lodash.once/-/lodash.once-4.1.1.tgz",
@@ -7875,15 +7886,16 @@
       "integrity": "sha512-XrHUvV5HpdLmIj4uVMxHggLbFSZYIn7HEWsqePZcI50pco+MPqJ50wMGY794X7AOOhxOBAjbkqfAbEe/QMp2Lw=="
     },
     "ts-jest": {
-      "version": "24.0.1",
-      "resolved": "https://registry.npmjs.org/ts-jest/-/ts-jest-24.0.1.tgz",
-      "integrity": "sha512-mgNZmYPuGBNgYpUzchI7vdSr6zATQI0TrSyzREnXHuPCvlW8T1DQ/fdscgx4ivS5vAMUGUaoxGdWIVHC5I8imw==",
+      "version": "25.1.0",
+      "resolved": "https://registry.npmjs.org/ts-jest/-/ts-jest-25.1.0.tgz",
+      "integrity": "sha512-1Lf576ulKhbxX5og+tG8udVg/5cgcMLPBxp1iCqbbf6VvUK4gEsgAtzMjl8u98izhLrzKMPB0LxCBKEZ5l19Hw==",
       "dev": true,
       "requires": {
         "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",
diff --git a/package.json b/package.json
index 45f7f83..22af5ea 100644
--- a/package.json
+++ b/package.json
@@ -69,7 +69,7 @@
     "pre-commit": "^1.2.2",
     "rimraf": "^2.6.3",
     "supertest": "^3.4.2",
-    "ts-jest": "^24.0.1",
+    "ts-jest": "^25.1.0",
     "tslint": "^5.15.0",
     "tslint-config-airbnb": "^5.11.1",
     "typescript": "^3.4.1"