diff --git a/build/arduino-builder-linux64-1.3.25-prepr-rc1.tar.bz2.sha b/build/arduino-builder-linux64-1.3.25-prepr-rc1.tar.bz2.sha
new file mode 100644
index 000000000..ffb12d4f7
--- /dev/null
+++ b/build/arduino-builder-linux64-1.3.25-prepr-rc1.tar.bz2.sha
@@ -0,0 +1 @@
+5a752dc23ea0d5ebbc60547ea89e69491536c02d