diff --git a/docs/_config.yml b/docs/_config.yml
index aa1009329a12be642baa502c57136090793f1582..a4997a99b26fcdb24b08a892a64fefa14bf69081 100644
--- a/docs/_config.yml
+++ b/docs/_config.yml
@@ -10,4 +10,6 @@ aux_links:
       - "//github.com/cau-se/theodolite"
 
 exclude:
+  - Gemfile
+  - Gemfile.lock
   - vendor