diff --git a/pkgs/by-name/li/lief/package.nix b/pkgs/by-name/li/lief/package.nix
index 47ab507c0f64..56948b0bd675 100644
--- a/pkgs/by-name/li/lief/package.nix
+++ b/pkgs/by-name/li/lief/package.nix
@@ -52,6 +52,7 @@ stdenv.mkDerivation (finalAttrs: {
     (lib.cmakeBool "LIEF_PYTHON_API" true)
     (lib.cmakeBool "LIEF_EXAMPLES" false)
     (lib.cmakeBool "BUILD_SHARED_LIBS" (!stdenv.hostPlatform.isStatic))
+    (lib.cmakeFeature "Python_EXECUTABLE" pyEnv.interpreter)
   ];
 
   postBuild = ''
@@ -68,6 +69,8 @@ stdenv.mkDerivation (finalAttrs: {
 
   pythonImportsCheck = [ "lief" ];
 
+  strictDeps = true;
+
   passthru.updateScript = nix-update-script { };
 
   meta = {