diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..a018834
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,12 @@
+# Normalize line endings independent of core.autocrlf.
+* text=auto
+
+# Maven wrapper: POSIX shell script must stay LF, even on Windows checkouts.
+mvnw text eol=lf
+*.sh text eol=lf
+
+# Windows batch wrapper needs CRLF.
+mvnw.cmd text eol=crlf
+
+# Binaries: never convert.
+*.jar binary