diff --git a/ext/.gitignore b/ext/.gitignore
index 1de5659..f2f9e58 100644
--- a/ext/.gitignore
+++ b/ext/.gitignore
@@ -1 +1,2 @@
-target
\ No newline at end of file
+target
+Cargo.lock
\ No newline at end of file
diff --git a/gas/.gitignore b/gas/.gitignore
index 1de5659..f2f9e58 100644
--- a/gas/.gitignore
+++ b/gas/.gitignore
@@ -1 +1,2 @@
-target
\ No newline at end of file
+target
+Cargo.lock
\ No newline at end of file
diff --git a/opt/.gitignore b/opt/.gitignore
index 1de5659..f2f9e58 100644
--- a/opt/.gitignore
+++ b/opt/.gitignore
@@ -1 +1,2 @@
-target
\ No newline at end of file
+target
+Cargo.lock
\ No newline at end of file