diff --git a/pkgs/tools/system/fio/default.nix b/pkgs/tools/system/fio/default.nix
index d34f0d4b737..fc4ea8d6b33 100644
--- a/pkgs/tools/system/fio/default.nix
+++ b/pkgs/tools/system/fio/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub, makeWrapper
-, libaio, python, zlib
+, libaio, python3, zlib
 , withGnuplot ? false, gnuplot ? null }:
 
 stdenv.mkDerivation rec {
@@ -13,11 +13,13 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-/Si0McndJ6Xp3ifDr+BStv89LmZyAgof95QkHGT8MGQ=";
   };
 
-  buildInputs = [ python zlib ]
+  buildInputs = [ python3 zlib ]
     ++ lib.optional (!stdenv.isDarwin) libaio;
 
   nativeBuildInputs = [ makeWrapper ];
 
+  strictDeps = true;
+
   enableParallelBuilding = true;
 
   postPatch = ''