diff --git a/libraries/o-error/.gitignore b/libraries/o-error/.gitignore
index eeb63278b5..1b94d7634f 100644
--- a/libraries/o-error/.gitignore
+++ b/libraries/o-error/.gitignore
@@ -2,3 +2,6 @@ dist
 .nyc_output
 coverage
 node_modules/
+
+.npmrc
+Dockerfile