diff --git a/.dockerignore b/.dockerignore
index 5bee161..b7903ff 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -5,4 +5,11 @@
 !src/Exercism.TestRunner.CSharp
 !src/Exercism.TestRunner.CSharp/AdditionalFiles
 src/Exercism.TestRunner.CSharp/bin
-src/Exercism.TestRunner.CSharp/obj
\ No newline at end of file
+src/Exercism.TestRunner.CSharp/obj
+.appends
+.git
+.github
+.gitignore
+.gitattributes
+.dockerignore
+Dockerfile