diff --git a/pkgs/development/python-modules/restview/default.nix b/pkgs/development/python-modules/restview/default.nix
index e8a8b9dd637d..a6b22220da35 100644
--- a/pkgs/development/python-modules/restview/default.nix
+++ b/pkgs/development/python-modules/restview/default.nix
@@ -1,6 +1,7 @@
 { lib
 , buildPythonPackage
 , fetchPypi
+, fetchpatch
 , docutils
 , readme_renderer
 , pygments
@@ -19,6 +20,15 @@ buildPythonPackage rec {
   propagatedBuildInputs = [ docutils readme_renderer pygments ];
   checkInputs = [ mock ];
 
+  patches = [
+    # fix tests after readme_renderer update
+    # TODO remove on next update
+    (fetchpatch {
+      url = "https://github.com/mgedmin/restview/commit/541743ded13ae55dea4c437046984a5f13d06e8b.patch";
+      sha256 = "031b1dlqx346bz7afpc011lslnq771lnxb6iy1l2285pph534bci";
+    })
+  ];
+
   postPatch = ''
     # dict order breaking tests
     sed -i 's@<a href="http://www.example.com" rel="nofollow">@...@' src/restview/tests.py