diff --git a/pkgs/applications/misc/calibre/default.nix b/pkgs/applications/misc/calibre/default.nix
index 3554c36f5194..6da1cdefa700 100644
--- a/pkgs/applications/misc/calibre/default.nix
+++ b/pkgs/applications/misc/calibre/default.nix
@@ -5,12 +5,12 @@
 }:
 
 stdenv.mkDerivation rec {
-  version = "3.31.0";
+  version = "3.36.0";
   name = "calibre-${version}";
 
   src = fetchurl {
     url = "https://download.calibre-ebook.com/${version}/${name}.tar.xz";
-    sha256 = "1xg1bx0klvrywqry5rhci37fr7shpvb2wbx4bva20vhqkal169rw";
+    sha256 = "0fbf4b29vkka3gg8c5n9dc7qhv43jpw6naz6w83jkz7andypikb8";
   };
 
   patches = [
diff --git a/pkgs/applications/misc/calibre/dont_build_unrar_plugin.patch b/pkgs/applications/misc/calibre/dont_build_unrar_plugin.patch
index 45e27984ed59..5164b80a0bee 100644
--- a/pkgs/applications/misc/calibre/dont_build_unrar_plugin.patch
+++ b/pkgs/applications/misc/calibre/dont_build_unrar_plugin.patch
@@ -6,7 +6,7 @@ index 938ab24..1e095f8 100644
      description = _('Extract common e-book formats from archive files '
          '(ZIP/RAR). Also try to autodetect if they are actually '
          'CBZ/CBR files.')
--    file_types = set(['zip', 'rar'])
-+    file_types = set(['zip'])
+-    file_types = {'zip', 'rar'}
++    file_types = {'zip'}
      supported_platforms = ['windows', 'osx', 'linux']
      on_import = True