diff --git a/.gitignore b/.gitignore
index 73fab07..0648a17 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,7 @@
 # will have compiled files and executables
 debug/
 target/
+Cargo.lock
 
 # These are backup files generated by rustfmt
 **/*.rs.bk