diff --git a/update_copyright_year.sh b/update_copyright_year.sh
new file mode 100755
index 0000000000000000000000000000000000000000..edf97d1f39ee21fada23df6ef224f1ba11901917
--- /dev/null
+++ b/update_copyright_year.sh
@@ -0,0 +1,7 @@
+#!/bin/fish
+
+# Script to update the copyright year in header files
+
+set NEW_YEAR (date +"%Y")
+set OLD_YEAR (math $NEW_YEAR - 1)
+sed -i "s/Copyright  2016-$OLD_YEAR M/Copyright  2016-$NEW_YEAR M/g" bin/silkaj silkaj/*.py tests/*.py