diff --git a/.gitattributes b/.gitattributes
index dfe0770..202df59 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,2 +1,6 @@
 # Auto detect text files and perform LF normalization
-* text=auto
+*.txt text=auto
+
+# Set line endings to LF, even on Windows. Otherwise, execution within Docker fails.
+# See https://help.github.com/articles/dealing-with-line-endings/
+*.sh text eol=lf