diff --git a/package.json b/package.json
index f96cbeb..d4e8705 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "@types/node": "16.4.2",
     "@types/sinon": "10.0.2",
     "@types/sinon-chai": "3.2.5",
-    "c8": "7.8.0",
+    "c8": "7.9.0",
     "chai": "4.3.4",
     "chai-as-promised": "7.1.1",
     "esm": "3.2.25",
diff --git a/yarn.lock b/yarn.lock
index 040b17d..d6506d3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -162,10 +162,10 @@ buffer-from@^1.0.0:
   resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.1.tgz#32713bc028f75c02fdb710d7c7bcec1f2c6070ef"
   integrity sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A==
 
-c8@7.8.0:
-  version "7.8.0"
-  resolved "https://registry.yarnpkg.com/c8/-/c8-7.8.0.tgz#8fcfe848587d9d5796f22e9b0546a387a66d1b3b"
-  integrity sha512-x2Bx+IIEd608B1LmjiNQ/kizRPkCWo5XzuV57J9afPjAHSnYXALwbCSOkQ7cSaNXBNblfqcvdycj+klmL+j6yA==
+c8@7.9.0:
+  version "7.9.0"
+  resolved "https://registry.yarnpkg.com/c8/-/c8-7.9.0.tgz#e63b9a22c8b4adbf6a8c8cb6194ee086b3e13c24"
+  integrity sha512-aQ7dC8gASnKdBwHUuYuzsdKCEDrKnWr7ZuZUnf4CNAL81oyKloKrs7H7zYvcrmCtIrMToudBSUhq2q+LLBMvgg==
   dependencies:
     "@bcoe/v8-coverage" "^0.2.3"
     "@istanbuljs/schema" "^0.1.2"