diff --git a/packages/isolate-shopify-api/package.json b/packages/isolate-shopify-api/package.json
index 7c5846c..42db77c 100644
--- a/packages/isolate-shopify-api/package.json
+++ b/packages/isolate-shopify-api/package.json
@@ -31,7 +31,7 @@
   "devDependencies": {
     "@types/jest": "^27.0.2",
     "jest": "^27.3.1",
-    "ts-jest": "^27.0.7",
+    "ts-jest": "27.1.5",
     "ts-node": "^10.4.0"
   },
   "jest": {
diff --git a/packages/verify-hmac-request/package.json b/packages/verify-hmac-request/package.json
index 2c1769d..8296004 100644
--- a/packages/verify-hmac-request/package.json
+++ b/packages/verify-hmac-request/package.json
@@ -36,7 +36,7 @@
     "@types/crypto-js": "^4.0.2",
     "@types/jest": "^26.0.24",
     "jest": "^27.0.6",
-    "ts-jest": "^27.0.4",
+    "ts-jest": "27.1.5",
     "ts-node": "^10.1.0"
   },
   "jest": {
diff --git a/yarn.lock b/yarn.lock
index 410284c..48e13a2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5865,7 +5865,6 @@ minipass-fetch@^1.3.0, minipass-fetch@^1.3.2:
   resolved "https://registry.yarnpkg.com/minipass-fetch/-/minipass-fetch-1.3.4.tgz#63f5af868a38746ca7b33b03393ddf8c291244fe"
   integrity sha512-TielGogIzbUEtd1LsjZFs47RWuHHfhl6TiCx1InVxApBAmQ8bL0dL5ilkLGcRvuyW/A9nE+Lvn855Ewz8S0PnQ==
   dependencies:
-    encoding "^0.1.12"
     minipass "^3.1.0"
     minipass-sized "^1.0.3"
     minizlib "^2.0.0"
@@ -7520,33 +7519,33 @@ trim-off-newlines@^1.0.0:
   resolved "https://registry.yarnpkg.com/trim-off-newlines/-/trim-off-newlines-1.0.1.tgz#9f9ba9d9efa8764c387698bcbfeb2c848f11adb3"
   integrity sha1-n5up2e+odkw4dpi8v+sshI8RrbM=
 
-ts-jest@^27.0.4:
-  version "27.0.4"
-  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-27.0.4.tgz#df49683535831560ccb58f94c023d831b1b80df0"
-  integrity sha512-c4E1ECy9Xz2WGfTMyHbSaArlIva7Wi2p43QOMmCqjSSjHP06KXv+aT+eSY+yZMuqsMi3k7pyGsGj2q5oSl5WfQ==
+ts-jest@27.1.5:
+  version "27.1.5"
+  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-27.1.5.tgz#0ddf1b163fbaae3d5b7504a1e65c914a95cff297"
+  integrity sha512-Xv6jBQPoBEvBq/5i2TeSG9tt/nqkbpcurrEG1b+2yfBrcJelOZF9Ml6dmyMh7bcW9JyFbRYpR5rxROSlBLTZHA==
   dependencies:
     bs-logger "0.x"
-    buffer-from "1.x"
     fast-json-stable-stringify "2.x"
     jest-util "^27.0.0"
     json5 "2.x"
-    lodash "4.x"
+    lodash.memoize "4.x"
     make-error "1.x"
-    mkdirp "1.x"
     semver "7.x"
     yargs-parser "20.x"
 
-ts-jest@^27.0.7:
-  version "27.0.7"
-  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-27.0.7.tgz#fb7c8c8cb5526ab371bc1b23d06e745652cca2d0"
-  integrity sha512-O41shibMqzdafpuP+CkrOL7ykbmLh+FqQrXEmV9CydQ5JBk0Sj0uAEF5TNNe94fZWKm3yYvWa/IbyV4Yg1zK2Q==
+ts-jest@^27.0.4:
+  version "27.0.4"
+  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-27.0.4.tgz#df49683535831560ccb58f94c023d831b1b80df0"
+  integrity sha512-c4E1ECy9Xz2WGfTMyHbSaArlIva7Wi2p43QOMmCqjSSjHP06KXv+aT+eSY+yZMuqsMi3k7pyGsGj2q5oSl5WfQ==
   dependencies:
     bs-logger "0.x"
+    buffer-from "1.x"
     fast-json-stable-stringify "2.x"
     jest-util "^27.0.0"
     json5 "2.x"
-    lodash.memoize "4.x"
+    lodash "4.x"
     make-error "1.x"
+    mkdirp "1.x"
     semver "7.x"
     yargs-parser "20.x"