diff --git a/pkgs/development/python-modules/pyro-ppl/default.nix b/pkgs/development/python-modules/pyro-ppl/default.nix
index 5211b1377ac7..f0d5b2ee32a5 100644
--- a/pkgs/development/python-modules/pyro-ppl/default.nix
+++ b/pkgs/development/python-modules/pyro-ppl/default.nix
@@ -1,12 +1,12 @@
 { buildPythonPackage, fetchPypi, lib, pytorch, contextlib2
 , graphviz, networkx, six, opt-einsum, tqdm }:
 buildPythonPackage rec {
-  version = "0.3.3";
+  version = "0.3.4";
   pname = "pyro-ppl";
 
   src = fetchPypi {
     inherit version pname;
-    sha256 = "e980e2aa5a029e2f133d422a9154a21c9cca96c417c230ddde858e41aa43687b";
+    sha256 = "42d8b8d2f992ad94cf7cf6d4b4dd2aa2ef85c0f83b9fffb0856db65f8225db73";
   };
 
   propagatedBuildInputs = [