diff --git a/pkgs/development/python-modules/pomegranate/default.nix b/pkgs/development/python-modules/pomegranate/default.nix
index 8f260ad8ccb..518840d415a 100644
--- a/pkgs/development/python-modules/pomegranate/default.nix
+++ b/pkgs/development/python-modules/pomegranate/default.nix
@@ -1,19 +1,41 @@
-{ lib, buildPythonPackage, fetchFromGitHub, numpy, scipy, cython, networkx, joblib, nose, pyyaml }:
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, fetchpatch
+, numpy
+, scipy
+, cython
+, networkx
+, joblib
+, pandas
+, nose
+, pyyaml
+}:
+
 
 buildPythonPackage rec {
   pname = "pomegranate";
-  version = "0.11.2";
+  version = "0.13.5";
 
   src = fetchFromGitHub {
     repo = pname;
     owner = "jmschrei";
     rev = "v${version}";
-    sha256 = "070ciwww1lhjmfwd5n1kcwgxwbgdfvmhjs4l156bnf08z9dlrafl";
+    sha256 = "1hbxchp3daykkf1fa79a9mh34p78bygqcf1nv4qwkql3gw0pd6l7";
   };
 
+  patches = lib.optionals (lib.versionOlder version "13.6") [
+    # Fix compatibility with recent joblib release, will be part of the next
+    # pomegranate release after 0.13.5
+    (fetchpatch {
+      url = "https://github.com/jmschrei/pomegranate/commit/42d14bebc44ffd4a778b2a6430aa845591b7c3b7.patch";
+      sha256 = "0f9cx0fj9xkr3hch7jyrn76zjypilh5bqw734caaw6g2m49lvbff";
+    })
+  ];
+
   propagatedBuildInputs = [ numpy scipy cython networkx joblib pyyaml ];
 
-  checkInputs = [ nose ];
+  checkInputs = [ pandas nose ];  # as of 0.13.5, it depends explicitly on nose, rather than pytest.
 
   meta = with lib; {
     description = "Probabilistic and graphical models for Python, implemented in cython for speed";