diff --git a/pkgs/tools/backup/borg/default.nix b/pkgs/tools/backup/borg/default.nix
index 09821b01700..09c2dddd515 100644
--- a/pkgs/tools/backup/borg/default.nix
+++ b/pkgs/tools/backup/borg/default.nix
@@ -2,18 +2,18 @@
 
 python3Packages.buildPythonApplication rec {
   name = "borgbackup-${version}";
-  version = "1.0.8";
+  version = "1.0.9";
   namePrefix = "";
 
   src = fetchurl {
     url = "https://github.com/borgbackup/borg/releases/download/"
       + "${version}/${name}.tar.gz";
-    sha256 = "1fdfi0yzzdrrlml6780n4fh61sqm7pw6fcd1y67kfkvw8hy5c0k9";
+    sha256 = "1ciwp9yilcibk0x82y5nn8ps95jrm8rxvff8mjrlp7a2w100i1im";
   };
 
   nativeBuildInputs = with python3Packages; [
     # For building documentation:
-    sphinx
+    sphinx sphinx_rtd_theme
   ];
   propagatedBuildInputs = [
     acl lz4 openssl