diff --git a/package-lock.json b/package-lock.json
index 809ff601..8e32050f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -777,9 +777,9 @@
       }
     },
     "chai-datetime": {
-      "version": "1.7.0",
-      "resolved": "https://registry.npmjs.org/chai-datetime/-/chai-datetime-1.7.0.tgz",
-      "integrity": "sha512-4kPT3R1tr0ujZ+xRTOzvGiZOzC30URFT+28/gd/vusOhumSH/o6TVI4yZMsQTwc+UUGpvIdx1wChQQVZkTbq/g==",
+      "version": "1.8.0",
+      "resolved": "https://registry.npmjs.org/chai-datetime/-/chai-datetime-1.8.0.tgz",
+      "integrity": "sha512-qBG84K8oQNz8LWacuzmCBfdoeG2UBFfbGKTSQj6lS+sjuzGUdBvjJxfZfGA4zDAMiCSqApKcuqSLO0lQQ25cHw==",
       "dev": true,
       "requires": {
         "chai": ">1.9.0"
diff --git a/package.json b/package.json
index bcf52213..94528f96 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "@types/sinon-chai": "3.2.5",
     "chai": "4.3.0",
     "chai-as-promised": "7.1.1",
-    "chai-datetime": "1.7.0",
+    "chai-datetime": "1.8.0",
     "codecov": "3.8.1",
     "copyfiles": "2.4.1",
     "has-flag": "4.0.0",