diff --git a/update_copyright_headers.sh b/update_copyright_headers.sh
new file mode 100755
index 0000000000..0f40cce252
--- /dev/null
+++ b/update_copyright_headers.sh
@@ -0,0 +1,15 @@
+#!/bin/sh
+#
+# This shell script updates the copyright headers in source code files
+# in the current branch that have been added or modified during the
+# current year (at least as much as the `git diff` command supports the
+# date range in terms of log history).
+#
+# This has only been tested on mac OS.
+
+current_year=$(date +'%Y')
+echo Updating copyright headers in Java, Kotlin, and Groovy source code for year $current_year
+
+for file in $(git --no-pager diff --name-only --diff-filter=AM @{$current_year-01-01}..@{$current_year-12-31} | egrep "^.+\.(java|kotlin|groovy)$" | uniq); do
+	sed -i '' -E "s/Copyright 2002-[0-9]{4}/Copyright 2002-$current_year/g" $file;
+done