diff --git a/pkgs/development/python-modules/pyro-ppl/default.nix b/pkgs/development/python-modules/pyro-ppl/default.nix
index a11c2cad9282..81d4c47652ac 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 = "1.1.0";
+  version = "1.3.1";
   pname = "pyro-ppl";
 
   src = fetchPypi {
     inherit version pname;
-    sha256 = "5ca2fd19276fcfcf52babb48d22892a41d6238d7a6c65e63f704b070a3816479";
+    sha256 = "a034d9311d4715a2e8e127e0a4dd2996cbd34c4b85ac57b02b277c176b0a62ff";
   };
 
   propagatedBuildInputs = [