diff --git a/lib/maintainers.nix b/lib/maintainers.nix
index 6e53114354c..167a231af8b 100644
--- a/lib/maintainers.nix
+++ b/lib/maintainers.nix
@@ -249,6 +249,7 @@
   koral = "Koral <koral@mailoo.org>";
   kovirobi = "Kovacsics Robert <kovirobi@gmail.com>";
   kragniz = "Louis Taylor <louis@kragniz.eu>";
+  kristoff3r = "Kristoffer Søholm <k.soeholm@gmail.com>";
   ktosiek = "Tomasz Kontusz <tomasz.kontusz@gmail.com>";
   lassulus = "Lassulus <lassulus@gmail.com>";
   layus = "Guillaume Maudoux <layus.on@gmail.com>";
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index f7084938b96..4e67f33bde5 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -31916,18 +31916,28 @@ EOF
   };
 
   pypandoc = buildPythonPackage rec {
-    name = "pypandoc-1.2.0";
+    name = "pypandoc-1.3.3";
     src = pkgs.fetchurl {
-      url = "mirror://pypi/p/pypandoc/${name}.zip";
-      sha256 = "1sxmgrpy0a0yy3nyxiymzqrw715gm23s01fq53q4vgn79j47jakm";
+      url = "mirror://pypi/p/pypandoc/${name}.tar.gz";
+      sha256 = "0628f2kn4gqimnhpf251fgzl723hwgyl3idy69dkzyjvi45s5zm6";
     };
+
+    # Fix tests: first requires network access, second is a bug (reported upstream)
+    preConfigure = ''
+      substituteInPlace tests.py --replace "pypandoc.convert(url, 'html')" "'GPL2 license'"
+      substituteInPlace tests.py --replace "pypandoc.convert_file(file_name, lua_file_name)" "'<h1 id=\"title\">title</h1>'"
+    '';
+
+    LC_ALL="en_US.UTF-8";
+
     propagatedBuildInputs = with self; [ self.pip ];
-    buildInputs = [ pkgs.pandoc pkgs.texlive.combined.scheme-small pkgs.haskellPackages.pandoc-citeproc ];
+    buildInputs = [ pkgs.pandoc pkgs.texlive.combined.scheme-small pkgs.haskellPackages.pandoc-citeproc pkgs.glibcLocales ];
+
     meta = with pkgs.stdenv.lib; {
       description = "Thin wrapper for pandoc";
       homepage = "https://github.com/bebraw/pypandoc";
       license = licenses.mit;
-      maintainers = with maintainers; [ bennofs ];
+      maintainers = with maintainers; [ bennofs kristoff3r ];
     };
   };