diff --git a/pkgs/development/python-modules/materialx/default.nix b/pkgs/development/python-modules/materialx/default.nix
index 43b766a5662f..d15207ee0a70 100644
--- a/pkgs/development/python-modules/materialx/default.nix
+++ b/pkgs/development/python-modules/materialx/default.nix
@@ -8,7 +8,7 @@
   libX11,
   libXt,
   libGL,
-  openimageio,
+  openimageio_2,
   imath,
   python,
   apple-sdk_14,
@@ -37,7 +37,7 @@ buildPythonPackage rec {
 
   buildInputs =
     [
-      openimageio
+      openimageio_2
       imath
     ]
     ++ lib.optionals stdenv.hostPlatform.isDarwin [