diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 8af45f5bf202..f29c45033ec2 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -32507,7 +32507,7 @@ in
     stdenv = crossLibcStdenv;
     };
 
-  omnisharp-roslyn = callPackage ../development/tools/omnisharp-roslyn { };
+  omnisharp-roslyn = callPackage ../development/tools/omnisharp-roslyn { dotnet-sdk = dotnet-sdk_5; };
 
   wasmtime = callPackage ../development/interpreters/wasmtime {};