diff --git a/internal/backend/azure/azure.go b/internal/backend/azure/azure.go
index 6669a47cc..576985b5b 100644
--- a/internal/backend/azure/azure.go
+++ b/internal/backend/azure/azure.go
@@ -42,7 +42,7 @@ type Backend struct {
 }
 
 const singleUploadMaxSize = 256 * 1024 * 1024
-const singleBlockMaxSize = 32 * 1024 * 1024
+const singleBlockMaxSize = 100 * 1024 * 1024
 const defaultListMaxItems = 5000
 
 // make sure that *Backend implements backend.Backend