diff --git a/sources/src/wrapper-validation/wrapper-checksums.json b/sources/src/wrapper-validation/wrapper-checksums.json
index 04777659..30a3219b 100644
--- a/sources/src/wrapper-validation/wrapper-checksums.json
+++ b/sources/src/wrapper-validation/wrapper-checksums.json
@@ -1,4 +1,8 @@
 [
+  {
+    "version": "9.1.0-rc-1",
+    "checksum": "76805e32c009c0cf0dd5d206bddc9fb22ea42e84db904b764f3047de095493f3"
+  },
   {
     "version": "9.0.0",
     "checksum": "76805e32c009c0cf0dd5d206bddc9fb22ea42e84db904b764f3047de095493f3"