diff --git a/package-lock.json b/package-lock.json
index 77987ed..4576b89 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -280,9 +280,19 @@
       }
     },
     "async-mutex": {
-      "version": "0.1.4",
-      "resolved": "https://registry.npmjs.org/async-mutex/-/async-mutex-0.1.4.tgz",
-      "integrity": "sha512-zVWTmAnxxHaeB2B1te84oecI8zTDJ/8G49aVBblRX6be0oq6pAybNcUSxwfgVOmOjSCvN4aYZAqwtyNI8e1YGw=="
+      "version": "0.3.2",
+      "resolved": "https://registry.npmjs.org/async-mutex/-/async-mutex-0.3.2.tgz",
+      "integrity": "sha512-HuTK7E7MT7jZEh1P9GtRW9+aTWiDWWi9InbZ5hjxrnRa39KS4BW04+xLBhYNS2aXhHUIKZSw3gj4Pn1pj+qGAA==",
+      "requires": {
+        "tslib": "^2.3.1"
+      },
+      "dependencies": {
+        "tslib": {
+          "version": "2.4.0",
+          "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.4.0.tgz",
+          "integrity": "sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ=="
+        }
+      }
     },
     "asynckit": {
       "version": "0.4.0",
diff --git a/package.json b/package.json
index 6f216da..b3c93aa 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
   "dependencies": {
     "@hapi/joi": "^15.1.1",
     "@topcoder-platform/topcoder-submission-api-wrapper": "^1.2.0",
-    "async-mutex": "^0.1.4",
+    "async-mutex": "^0.3.2",
     "bluebird": "^3.7.2",
     "config": "^3.2.5",
     "get-parameter-names": "^0.3.0",