diff --git a/.gitignore b/.gitignore
index 7ce1410..7aa2f69 100644
--- a/.gitignore
+++ b/.gitignore
@@ -107,3 +107,7 @@ sympy-plots-for-*.tex/
 
 # xindy
 *.xdy
+
+# add files starting with
+~*
+.~*