diff --git a/.gitignore b/.gitignore
index 365c9e0ec40..781d10b905c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -78,3 +78,6 @@ MSBuild/Robust.Custom.targets
 release/
 Robust.Docfx/*-site
 Robust.Docfx/api
+
+# C# Dev Kit cache file
+*.lscache