diff --git a/pkgs/pdfpc.nix b/pkgs/pdfpc.nix
index e4a45a3..31e51db 100644
--- a/pkgs/pdfpc.nix
+++ b/pkgs/pdfpc.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "1gb0vn60f81wwz0g9ivacdiqbs5n2d64axr1pd0f3wp7mrwm34pp";
   };
 
-  buildInputs = [ cmake gtk2 poppler librsvg vala
+  buildInputs = [ cmake gtk3 poppler librsvg vala
       pkgconfig gstreamer gst_plugins_base gnome3.libgee epoxy ]
     ++ (with xlibs; [ libxcb libXdmcp libpthreadstubs libxshmfence libxkbcommon ]);
 }