diff --git a/Backend/yarn.lock b/Backend/yarn.lock
index 100317d..fa5469b 100644
--- a/Backend/yarn.lock
+++ b/Backend/yarn.lock
@@ -1396,10 +1396,10 @@ async-limiter@~1.0.0:
   resolved "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.0.tgz#78faed8c3d074ab81f22b4e985d79e8738f720f8"
 
 async@^2.0.0, async@^2.1.2, async@^2.4.1:
-  version "2.6.2"
-  resolved "https://registry.npmjs.org/async/-/async-2.6.2.tgz#18330ea7e6e313887f5d2f2a904bac6fe4dd5381"
+  version "2.6.4"
+  resolved "https://registry.yarnpkg.com/async/-/async-2.6.4.tgz#706b7ff6084664cd7eae713f6f965433b5504221"
   dependencies:
-    lodash "^4.17.11"
+    lodash "^4.17.14"
 
 asynckit@^0.4.0:
   version "0.4.0"
@@ -4453,9 +4453,9 @@ lodash.uniq@^4.5.0:
   version "4.5.0"
   resolved "https://registry.npmjs.org/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
 
-lodash@^4.1.1, lodash@^4.12.0, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.4, lodash@^4.3.0, lodash@^4.8.0:
-  version "4.17.11"
-  resolved "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
+lodash@^4.1.1, lodash@^4.12.0, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.14, lodash@^4.17.4, lodash@^4.3.0, lodash@^4.8.0:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
 
 log-symbols@^2.1.0, log-symbols@^2.2.0:
   version "2.2.0"