diff --git a/sources/src/wrapper-validation/wrapper-checksums.json b/sources/src/wrapper-validation/wrapper-checksums.json
index ce6e9f61..8c6adf39 100644
--- a/sources/src/wrapper-validation/wrapper-checksums.json
+++ b/sources/src/wrapper-validation/wrapper-checksums.json
@@ -1,4 +1,8 @@
 [
+  {
+    "version": "8.9-rc-1",
+    "checksum": "498495120a03b9a6ab5d155f5de3c8f0d986a449153702fb80fc80e134484f17"
+  },
   {
     "version": "8.8",
     "checksum": "cb0da6751c2b753a16ac168bb354870ebb1e162e9083f116729cec9c781156b8"