diff --git a/pkgs/by-name/ll/llama-cpp/package.nix b/pkgs/by-name/ll/llama-cpp/package.nix
index 059b3da0ec0b..8298d76cba00 100644
--- a/pkgs/by-name/ll/llama-cpp/package.nix
+++ b/pkgs/by-name/ll/llama-cpp/package.nix
@@ -80,6 +80,11 @@ effectiveStdenv.mkDerivation (finalAttrs: {
   pname = "llama-cpp";
   version = "7823";
 
+  outputs = [
+    "out"
+    "dev"
+  ];
+
   src = fetchFromGitHub {
     owner = "ggml-org";
     repo = "llama.cpp";
diff --git a/pkgs/by-name/st/stable-diffusion-cpp/package.nix b/pkgs/by-name/st/stable-diffusion-cpp/package.nix
index 25fbed45c9d4..8de7da8c94fe 100644
--- a/pkgs/by-name/st/stable-diffusion-cpp/package.nix
+++ b/pkgs/by-name/st/stable-diffusion-cpp/package.nix
@@ -44,6 +44,11 @@ effectiveStdenv.mkDerivation (finalAttrs: {
   pname = "stable-diffusion-cpp";
   version = "master-475-2efd199";
 
+  outputs = [
+    "out"
+    "dev"
+  ];
+
   src = fetchFromGitHub {
     owner = "leejet";
     repo = "stable-diffusion.cpp";