diff --git a/modules/webhook/lambdas/webhook/package.json b/modules/webhook/lambdas/webhook/package.json
index bfe83bcb74..5389d08407 100644
--- a/modules/webhook/lambdas/webhook/package.json
+++ b/modules/webhook/lambdas/webhook/package.json
@@ -20,7 +20,7 @@
     "body-parser": "^1.19.0",
     "express": "^4.17.1",
     "jest": "^26.5.3",
-    "ts-jest": "^26.4.1",
+    "ts-jest": "^26.5.6",
     "ts-node-dev": "^1.0.0-pre.63",
     "typescript": "^3.9.6"
   },
diff --git a/modules/webhook/lambdas/webhook/yarn.lock b/modules/webhook/lambdas/webhook/yarn.lock
index ac43f8b535..45d9faf950 100644
--- a/modules/webhook/lambdas/webhook/yarn.lock
+++ b/modules/webhook/lambdas/webhook/yarn.lock
@@ -500,17 +500,6 @@
     "@types/yargs" "^15.0.0"
     chalk "^3.0.0"
 
-"@jest/types@^26.3.0":
-  version "26.3.0"
-  resolved "https://registry.yarnpkg.com/@jest/types/-/types-26.3.0.tgz#97627bf4bdb72c55346eef98e3b3f7ddc4941f71"
-  integrity sha512-BDPG23U0qDeAvU4f99haztXwdAg3hz4El95LkAM+tHAqqhiVzRpEGHHU8EDxT/AnxOrA65YjLBwDahdJ9pTLJQ==
-  dependencies:
-    "@types/istanbul-lib-coverage" "^2.0.0"
-    "@types/istanbul-reports" "^3.0.0"
-    "@types/node" "*"
-    "@types/yargs" "^15.0.0"
-    chalk "^4.0.0"
-
 "@jest/types@^26.5.2":
   version "26.5.2"
   resolved "https://registry.yarnpkg.com/@jest/types/-/types-26.5.2.tgz#44c24f30c8ee6c7f492ead9ec3f3c62a5289756d"
@@ -782,7 +771,7 @@
   dependencies:
     "@types/istanbul-lib-report" "*"
 
-"@types/jest@26.x", "@types/jest@^26.0.14":
+"@types/jest@^26.0.14":
   version "26.0.14"
   resolved "https://registry.yarnpkg.com/@types/jest/-/jest-26.0.14.tgz#078695f8f65cb55c5a98450d65083b2b73e5a3f3"
   integrity sha512-Hz5q8Vu0D288x3iWXePSn53W7hAjP0H7EQ6QvDO9c7t46mR0lNOLlfuwQ+JkVxuhygHzlzPX+0jKdA3ZgSh+Vg==
@@ -2843,19 +2832,7 @@ jest-snapshot@^26.5.3:
     pretty-format "^26.5.2"
     semver "^7.3.2"
 
-jest-util@^26.1.0:
-  version "26.3.0"
-  resolved "https://registry.yarnpkg.com/jest-util/-/jest-util-26.3.0.tgz#a8974b191df30e2bf523ebbfdbaeb8efca535b3e"
-  integrity sha512-4zpn6bwV0+AMFN0IYhH/wnzIQzRaYVrz1A8sYnRnj4UXDXbOVtWmlaZkO9mipFqZ13okIfN87aDoJWB7VH6hcw==
-  dependencies:
-    "@jest/types" "^26.3.0"
-    "@types/node" "*"
-    chalk "^4.0.0"
-    graceful-fs "^4.2.4"
-    is-ci "^2.0.0"
-    micromatch "^4.0.2"
-
-jest-util@^26.5.2:
+jest-util@^26.1.0, jest-util@^26.5.2:
   version "26.5.2"
   resolved "https://registry.yarnpkg.com/jest-util/-/jest-util-26.5.2.tgz#8403f75677902cc52a1b2140f568e91f8ed4f4d7"
   integrity sha512-WTL675bK+GSSAYgS8z9FWdCT2nccO1yTIplNLPlP0OD8tUk/H5IrWKMMRudIQQ0qp8bb4k+1Qa8CxGKq9qnYdg==
@@ -3072,20 +3049,15 @@ locate-path@^5.0.0:
   dependencies:
     p-locate "^4.1.0"
 
-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"
   integrity sha1-7dFMgk4sycHgsKG0K7UhBRakJDg=
 
-lodash@^4.17.19:
-  version "4.17.19"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.19.tgz#e48ddedbe30b3321783c5b4301fbd353bc1e4a4b"
-  integrity sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ==
+lodash@4.x, lodash@^4.17.19:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 loud-rejection@^1.0.0:
   version "1.6.0"
@@ -4394,18 +4366,17 @@ trim-newlines@^1.0.0:
   resolved "https://registry.yarnpkg.com/trim-newlines/-/trim-newlines-1.0.0.tgz#5887966bb582a4503a41eb524f7d35011815a613"
   integrity sha1-WIeWa7WCpFA6QetST301ARgVphM=
 
-ts-jest@^26.4.1:
-  version "26.4.1"
-  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-26.4.1.tgz#08ec0d3fc2c3a39e4a46eae5610b69fafa6babd0"
-  integrity sha512-F4aFq01aS6mnAAa0DljNmKr/Kk9y4HVZ1m6/rtJ0ED56cuxINGq3Q9eVAh+z5vcYKe5qnTMvv90vE8vUMFxomg==
+ts-jest@^26.5.6:
+  version "26.5.6"
+  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-26.5.6.tgz#c32e0746425274e1dfe333f43cd3c800e014ec35"
+  integrity sha512-rua+rCP8DxpA8b4DQD/6X2HQS8Zy/xzViVYfEs2OQu68tkCuKLV0Md8pmX55+W24uRIyAsf/BajRfxOs+R2MKA==
   dependencies:
-    "@types/jest" "26.x"
     bs-logger "0.x"
     buffer-from "1.x"
     fast-json-stable-stringify "2.x"
     jest-util "^26.1.0"
     json5 "2.x"
-    lodash.memoize "4.x"
+    lodash "4.x"
     make-error "1.x"
     mkdirp "1.x"
     semver "7.x"