diff --git a/package.json b/package.json
index b9c7dba7..8b11a170 100644
--- a/package.json
+++ b/package.json
@@ -63,7 +63,7 @@
     "@typescript-eslint/parser": "^4.26.1",
     "ava": "^3.15.0",
     "benny": "^3.6.15",
-    "c8": "^7.7.2",
+    "c8": "^7.7.3",
     "cross-env": "^7.0.3",
     "eslint": "^7.28.0",
     "eslint-config-prettier": "^8.3.0",
diff --git a/yarn.lock b/yarn.lock
index 7d132920..5d4f917b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1751,10 +1751,10 @@ byte-size@^7.0.0:
   resolved "https://registry.npmjs.org/byte-size/-/byte-size-7.0.1.tgz#b1daf3386de7ab9d706b941a748dbfc71130dee3"
   integrity sha512-crQdqyCwhokxwV1UyDzLZanhkugAgft7vt0qbbdt60C6Zf3CAiGmtUCylbtYwrU6loOUw3euGrNtW1J651ot1A==
 
-c8@^7.7.2:
-  version "7.7.2"
-  resolved "https://registry.npmjs.org/c8/-/c8-7.7.2.tgz#30ff37b8125d96cab3eb065895a0b68dbc495a0f"
-  integrity sha512-8AqNnUMxB3hsgYCYso2GJjlwnaNPlrEEbYbCQb7N76V1nrOgCKXiTcE3gXU18rIj0FeduPywROrIBMC7XAKApg==
+c8@^7.7.3:
+  version "7.7.3"
+  resolved "https://registry.npmjs.org/c8/-/c8-7.7.3.tgz#5af8f83b55dace03b353375e7a2ba85e2c13b17f"
+  integrity sha512-ZyA7n3w8i4ETV25tVYMHwJxCSnaOf/LfA8vOcuZOPbonuQfD7tBT/gMWZy7eczRpCDuHcvMXwoqAemg6R0p3+A==
   dependencies:
     "@bcoe/v8-coverage" "^0.2.3"
     "@istanbuljs/schema" "^0.1.2"
@@ -1765,7 +1765,7 @@ c8@^7.7.2:
     istanbul-reports "^3.0.2"
     rimraf "^3.0.0"
     test-exclude "^6.0.0"
-    v8-to-istanbul "^7.1.0"
+    v8-to-istanbul "^8.0.0"
     yargs "^16.2.0"
     yargs-parser "^20.2.7"
 
@@ -6769,10 +6769,10 @@ v8-compile-cache@^2.0.3:
   resolved "https://registry.npmjs.org/v8-compile-cache/-/v8-compile-cache-2.3.0.tgz#2de19618c66dc247dcfb6f99338035d8245a2cee"
   integrity sha512-l8lCEmLcLYZh4nbunNZvQCJc5pv7+RCwa8q/LdUx8u7lsWvPDKmpodJAJNwkAhJC//dFY48KuIEmjtd4RViDrA==
 
-v8-to-istanbul@^7.1.0:
-  version "7.1.1"
-  resolved "https://registry.npmjs.org/v8-to-istanbul/-/v8-to-istanbul-7.1.1.tgz#04bfd1026ba4577de5472df4f5e89af49de5edda"
-  integrity sha512-p0BB09E5FRjx0ELN6RgusIPsSPhtgexSRcKETybEs6IGOTXJSZqfwxp7r//55nnu0f1AxltY5VvdVqy2vZf9AA==
+v8-to-istanbul@^8.0.0:
+  version "8.0.0"
+  resolved "https://registry.npmjs.org/v8-to-istanbul/-/v8-to-istanbul-8.0.0.tgz#4229f2a99e367f3f018fa1d5c2b8ec684667c69c"
+  integrity sha512-LkmXi8UUNxnCC+JlH7/fsfsKr5AU110l+SYGJimWNkWhxbN5EyeOtm1MJ0hhvqMMOhGwBj1Fp70Yv9i+hX0QAg==
   dependencies:
     "@types/istanbul-lib-coverage" "^2.0.1"
     convert-source-map "^1.6.0"