diff --git a/pkgs/tools/security/vaultwarden/webvault.nix b/pkgs/tools/security/vaultwarden/webvault.nix
index bb86f4cb778b..f9b0915d3ff6 100644
--- a/pkgs/tools/security/vaultwarden/webvault.nix
+++ b/pkgs/tools/security/vaultwarden/webvault.nix
@@ -8,13 +8,13 @@
 }:
 
 let
-  version = "2024.5.1";
+  version = "2024.5.1b";
 
   bw_web_builds = fetchFromGitHub {
     owner = "dani-garcia";
     repo = "bw_web_builds";
     rev = "v${version}";
-    hash = "sha256-iNSkvQn3g64pI0uY7M4S7jEiRRDAc0wlPuJevzMJ+dc=";
+    hash = "sha256-5nlFt05ari9ovl+CaoyR/X9BzhsmsGyDt6eGLJ5ae/4=";
   };
 
 in buildNpmPackage rec {