diff --git a/pkgs/by-name/bo/bookstack/package.nix b/pkgs/by-name/bo/bookstack/package.nix
index 2e568b3d9529..67f9702d5222 100644
--- a/pkgs/by-name/bo/bookstack/package.nix
+++ b/pkgs/by-name/bo/bookstack/package.nix
@@ -8,16 +8,16 @@
 
 php83.buildComposerProject2 (finalAttrs: {
   pname = "bookstack";
-  version = "26.05.3";
+  version = "26.05.4";
 
   src = fetchFromGitHub {
     owner = "bookstackapp";
     repo = "bookstack";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-IRJGgK1MEptQJlnvHVXINSnhr8TVp6S8fZRBi+4VGig=";
+    hash = "sha256-DDjJZehRUf1GP19S+RqhqZSSGOMF/SzItt2GFXi4+1U=";
   };
 
-  vendorHash = "sha256-1x0czjCCD9Jf9TMhmkSpUt33q5+E1bw2l0SNP9VPRCE=";
+  vendorHash = "sha256-Ioth8Kp5fx4iwfy0p7N8xE0L41oWcp+ATfhmq3PUYyY=";
 
   passthru = {
     phpPackage = php83;