diff --git a/update_copyright_year.sh b/update_copyright_year.sh
new file mode 100755
index 0000000000000000000000000000000000000000..5b6f18a36c9532afcad9d8a6ca48e7e306379ce9
--- /dev/null
+++ b/update_copyright_year.sh
@@ -0,0 +1,8 @@
+#!/bin/fish
+
+# Script to update the copyright year in header files
+
+set NEW_YEAR (date +"%Y")
+set OLD_YEAR (math $NEW_YEAR - 1)
+find duniterpy tests examples -type f -name "*.py" | \
+xargs sed -i "s/Copyright  2014-$OLD_YEAR V/Copyright  2014-$NEW_YEAR V/g"