diff --git a/.gitignore b/.gitignore
index 266b95a424a..bbdfce0f4c7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -59,6 +59,13 @@ venv
 .clangd
 new.info
 
+# Cargo drops lock files in projects to capture resolved dependencies.
+# We don't want to record these.
+Cargo.lock
+
+# Cargo encourages a .cargo/config.toml file to symlink to a generated file.  Don't save these.
+.cargo/
+
 # CI output
 compliance.xml
 _error.types