diff --git a/pkgs/by-name/ll/llhttp/package.nix b/pkgs/by-name/ll/llhttp/package.nix
index a1909b67b4582..1da0e98891c71 100644
--- a/pkgs/by-name/ll/llhttp/package.nix
+++ b/pkgs/by-name/ll/llhttp/package.nix
@@ -30,6 +30,8 @@ stdenv.mkDerivation (finalAttrs: {
     validatePkgConfig
   ];
 
+  strictDeps = true;
+
   cmakeFlags = [
     (lib.cmakeBool "LLHTTP_BUILD_SHARED_LIBS" (!stdenv.hostPlatform.isStatic))
     (lib.cmakeBool "LLHTTP_BUILD_STATIC_LIBS" stdenv.hostPlatform.isStatic)