diff --git a/.gitignore b/.gitignore
index 0e8a11854..85171d461 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,4 +14,5 @@ hashcat.dll
 kernels/**
 lib/*.a
 obj/*.o
+obj/lzma_sdk/.o
 include/CL
diff --git a/obj/lzma_sdk/.lock b/obj/lzma_sdk/.lock
new file mode 100644
index 000000000..e69de29bb