diff --git a/.gitignore b/.gitignore
index d5ce8f5..76770df 100644
--- a/.gitignore
+++ b/.gitignore
@@ -44,4 +44,5 @@ doc/api/
 .vscode
 /test.kdbx
 /test_v4.kdbx
+/test_v4x.kdbx
 
diff --git a/test/test_v4x.kdbx b/test/test_v4x.kdbx
new file mode 100644
index 0000000..fa5d919
Binary files /dev/null and b/test/test_v4x.kdbx differ