diff --git a/.gitignore b/.gitignore
index 821c8dccb9b9e5610ea8ed23f2e7f6344d03ecac..629dbff8752e4f5323c89f2fd1bfbb0837607425 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,6 +22,10 @@ testsite/backup_keyring/
 .cache
 .yamllint
 
+# Ignore test fixtures.
+**/tests/data/.gimmecert
+**/tests/data/x509
+
 # Ignore test report artefacts
 test_report*