diff --git a/nixos/modules/services/matrix/dendrite.nix b/nixos/modules/services/matrix/dendrite.nix
index 9279af246f41..a5fea3da4844 100644
--- a/nixos/modules/services/matrix/dendrite.nix
+++ b/nixos/modules/services/matrix/dendrite.nix
@@ -195,6 +195,25 @@ in
             '';
           };
         };
+        options.sync_api.search = {
+          enable = lib.mkEnableOption (lib.mdDoc "Dendrite's full-text search engine");
+          index_path = lib.mkOption {
+            type = lib.types.str;
+            default = "${workingDir}/searchindex";
+            description = lib.mdDoc ''
+              The path the search index will be created in.
+            '';
+          };
+          language = lib.mkOption {
+            type = lib.types.str;
+            default = "en";
+            description = lib.mdDoc ''
+              The language most likely to be used on the server - used when indexing, to
+              ensure the returned results match expectations. A full list of possible languages
+              can be found at https://github.com/blevesearch/bleve/tree/master/analysis/lang
+            '';
+          };
+        };
         options.user_api = {
           account_database = {
             connection_string = lib.mkOption {
diff --git a/pkgs/servers/dendrite/default.nix b/pkgs/servers/dendrite/default.nix
index 02d85ae8e4d4..51b3abce6f61 100644
--- a/pkgs/servers/dendrite/default.nix
+++ b/pkgs/servers/dendrite/default.nix
@@ -3,16 +3,16 @@
 
 buildGoModule rec {
   pname = "matrix-dendrite";
-  version = "0.9.9";
+  version = "0.10.1";
 
   src = fetchFromGitHub {
     owner = "matrix-org";
     repo = "dendrite";
     rev = "v${version}";
-    sha256 = "sha256-HPcPaI0JACyDJAHTGSXHoIuWU34A8pV7blmt/zKOUB4=";
+    sha256 = "sha256-o+vdxjxbgTPhXtmjrMXf/kBGYaaF3nvVnrG+PGnaM70=";
   };
 
-  vendorSha256 = "sha256-jX8NJYrhUHRUiZRTqzgMK3mgRhzPJGFNTCK4SuEHKzg=";
+  vendorSha256 = "sha256-sd2frDxtMd0YUVCCQGaNYU7KopZQC1Ld5OHnjttTrgA=";
 
   # some tests are racy, re-enable once upstream has fixed them
   doCheck = false;