diff --git a/pkgs/development/libraries/opencl-clhpp/default.nix b/pkgs/development/libraries/opencl-clhpp/default.nix
index ec40bc393d5..b6aa7149168 100644
--- a/pkgs/development/libraries/opencl-clhpp/default.nix
+++ b/pkgs/development/libraries/opencl-clhpp/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake, python, opencl-headers }:
+{ lib, stdenv, fetchFromGitHub, cmake, python3, opencl-headers }:
 
 stdenv.mkDerivation rec {
   pname = "opencl-clhpp";
@@ -11,10 +11,12 @@ stdenv.mkDerivation rec {
     sha256 = "04g3mg2cpbi048fxxkghra81bpxzqr4r3gspx5mvqipx1lzypsci";
   };
 
-  nativeBuildInputs = [ cmake python ];
+  nativeBuildInputs = [ cmake python3 ];
 
   propagatedBuildInputs = [ opencl-headers ];
 
+  strictDeps = true;
+
   cmakeFlags = [
     "-DBUILD_EXAMPLES=OFF"
     "-DBUILD_TESTS=OFF"