diff --git a/test/package.json b/test/package.json
index 2d43bd56d..485539bd5 100644
--- a/test/package.json
+++ b/test/package.json
@@ -52,7 +52,7 @@
     "codechain-stakeholder-sdk": "^2.0.0",
     "elliptic": "^6.5.3",
     "get-port": "^5.1.1",
-    "lodash": "^4.17.19",
+    "lodash": "^4.17.21",
     "mkdirp": "^0.5.1",
     "ncp": "^2.0.0",
     "net": "^1.0.2",
diff --git a/test/yarn.lock b/test/yarn.lock
index b501ee637..edf387a11 100644
--- a/test/yarn.lock
+++ b/test/yarn.lock
@@ -1066,10 +1066,10 @@ locate-path@^3.0.0:
     p-locate "^3.0.0"
     path-exists "^3.0.0"
 
-lodash@4, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.14, lodash@^4.17.15, 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, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.21:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 lodash@=4.17.15:
   version "4.17.15"