diff --git a/pkgs/by-name/fo/folly/package.nix b/pkgs/by-name/fo/folly/package.nix
index a95eebe71317..94fdacf323a4 100644
--- a/pkgs/by-name/fo/folly/package.nix
+++ b/pkgs/by-name/fo/folly/package.nix
@@ -5,6 +5,7 @@
   fetchFromGitHub,
 
   cmake,
+  ninja,
   pkg-config,
 
   boost,
@@ -50,6 +51,7 @@ stdenv.mkDerivation (finalAttrs: {
 
   nativeBuildInputs = [
     cmake
+    ninja
     pkg-config
   ];