diff --git a/package-lock.json b/package-lock.json
index 11677f5..5a3a11e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -879,9 +879,9 @@
       "dev": true
     },
     "avsc": {
-      "version": "5.4.20",
-      "resolved": "https://registry.npmjs.org/avsc/-/avsc-5.4.20.tgz",
-      "integrity": "sha512-QPn6kswNf4a+ojzor4H8R0GIsVHf/QvsNJrqkt1cvQdhN+6Dx+78MM+NIe05z7yS6adOsq+N2nZWHpYT3z8q7Q=="
+      "version": "5.4.21",
+      "resolved": "https://registry.npmjs.org/avsc/-/avsc-5.4.21.tgz",
+      "integrity": "sha512-Vr733yyksCfwwXVZ6WjgttDF1TLlUeYWBJDHpO61qeOo6GnaIaVRiJ64ZgpwXfFtbPv1fCuLFV0qz++QUFCZPw=="
     },
     "axios": {
       "version": "0.19.2",
diff --git a/package.json b/package.json
index 01fa532..70950bf 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "@oclif/plugin-commands": "^1.2.3",
     "@oclif/plugin-help": "^2.2.3",
     "@oclif/plugin-warn-if-update-available": "^1.7.0",
-    "avsc": "^5.4.20",
+    "avsc": "^5.4.21",
     "axios": "^0.19.2",
     "chalk": "^3.0.0",
     "codecov": "^3.6.5",