diff --git a/build-scripts/update-copyright.sh b/build-scripts/update-copyright.sh
new file mode 100755
index 000000000..fdfb5ca9a
--- /dev/null
+++ b/build-scripts/update-copyright.sh
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+find . -type f -exec grep -Il "Copyright" {} \;     \
+| grep -v \.hg                             \
+| while read i;                            \
+do \
+  sed -ie "s/\(.*Copyright.*\)[0-9]\{4\}\( *Sam Lantinga\)/\1`date +%Y`\2/" "$i"; \
+  rm "${i}e"; \
+done