diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 00000000..c6dda433
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,11 @@
+*.sol linguist-language=Solidity
+*.t.sol linguist-language=Solidity
+*.s.sol linguist-language=Solidity
+
+# Auto detect text files and normalise line endings
+* text=auto eol=lf
+
+# Binary files
+*.png binary
+*.jpg binary
+*.gif binary