diff --git a/.gitignore b/.gitignore
index 775948d2..9f14a9f5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,3 +20,5 @@ doc/source/api
 # Development environment files
 .project
 .pydevproject
+# Temporary files created during test, but not removed
+examples/pki/certs/tmp*
\ No newline at end of file