diff --git a/.gitignore b/.gitignore
index 11134ed91..8665329c8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -40,3 +40,4 @@ Thumbs.db
 
 # Prevent unit test coverage reports from being added
 .coverage
+.nyc_output
diff --git a/.npmignore b/.npmignore
index 11134ed91..8665329c8 100644
--- a/.npmignore
+++ b/.npmignore
@@ -40,3 +40,4 @@ Thumbs.db
 
 # Prevent unit test coverage reports from being added
 .coverage
+.nyc_output