diff --git a/cshub-server/package.json b/cshub-server/package.json
index 834fec7..417ba74 100644
--- a/cshub-server/package.json
+++ b/cshub-server/package.json
@@ -10,7 +10,7 @@
     },
     "dependencies": {
         "@sendgrid/mail": "^6.3.1",
-        "async": "^2.6.1",
+        "async": "^2.6.4",
         "body-parser": "^1.18.3",
         "class-transformer": "^0.3.1",
         "cookie-parser": "^1.4.3",
diff --git a/cshub-server/yarn.lock b/cshub-server/yarn.lock
index 79be473..c9bca68 100644
--- a/cshub-server/yarn.lock
+++ b/cshub-server/yarn.lock
@@ -596,10 +596,10 @@ async-limiter@~1.0.0:
   resolved "https://registry.yarnpkg.com/async-limiter/-/async-limiter-1.0.1.tgz#dd379e94f0db8310b08291f9d64c3209766617fd"
   integrity sha512-csOlWGAcRFJaI6m+F2WKdnMKr4HhdhFVBk0H/QbJFMCr+uO2kwohwXQPxw/9OCxp05r5ghVBFSyioixx3gfkNQ==
 
-async@^2.6.1:
-  version "2.6.3"
-  resolved "https://registry.yarnpkg.com/async/-/async-2.6.3.tgz#d72625e2344a3656e3a3ad4fa749fa83299d82ff"
-  integrity sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==
+async@^2.6.4:
+  version "2.6.4"
+  resolved "https://registry.yarnpkg.com/async/-/async-2.6.4.tgz#706b7ff6084664cd7eae713f6f965433b5504221"
+  integrity sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==
   dependencies:
     lodash "^4.17.14"