diff --git a/pkgs/by-name/sl/slimserver/package.nix b/pkgs/by-name/sl/slimserver/package.nix
index 76fa07ba5106..3beb20677690 100644
--- a/pkgs/by-name/sl/slimserver/package.nix
+++ b/pkgs/by-name/sl/slimserver/package.nix
@@ -33,13 +33,13 @@ let
 in
 perlPackages.buildPerlPackage rec {
   pname = "slimserver";
-  version = "9.0.0";
+  version = "9.0.1";
 
   src = fetchFromGitHub {
     owner = "LMS-Community";
     repo = "slimserver";
     rev = version;
-    hash = "sha256-Sd39J8YOywOOtVHxO3OPABULwRI5VGovS33tAj4TFkw=";
+    hash = "sha256-BIWTsF9SVGBkFaZF/QYFsgATglaORhnFT/2/qRe4emg=";
   };
 
   nativeBuildInputs = [ makeWrapper ];
@@ -51,6 +51,7 @@ perlPackages.buildPerlPackage rec {
       ArchiveZip
       AsyncUtil
       AudioScan
+      CarpAssert
       CarpClan
       CGI
       ClassAccessor