diff --git a/packages/promise/promise.1.1.0/opam b/packages/promise/promise.1.1.0/opam
index 0bc1186897b..c735c0b20fe 100644
--- a/packages/promise/promise.1.1.0/opam
+++ b/packages/promise/promise.1.1.0/opam
@@ -26,5 +26,5 @@ build: [
 
 url {
   src: "https://github.com/aantron/promise/releases/download/1.1.0/promise-1.1.0.tar.gz"
-  checksum: "md5=bdda2b249c55cd05d2adc70d74b0cde0"
+  checksum: "md5=7a47733b4f8e5f1fdfdf124a9c11abe4"
 }