diff --git a/nixos/modules/services/web-apps/nextcloud.nix b/nixos/modules/services/web-apps/nextcloud.nix
index e9c45754285c..2bfab22b1b2c 100644
--- a/nixos/modules/services/web-apps/nextcloud.nix
+++ b/nixos/modules/services/web-apps/nextcloud.nix
@@ -85,7 +85,7 @@ in {
     package = mkOption {
       type = types.package;
       description = "Which package to use for the Nextcloud instance.";
-      relatedPackages = [ "nextcloud18" "nextcloud19" ];
+      relatedPackages = [ "nextcloud18" "nextcloud19" "nextcloud20" ];
     };
 
     maxUploadSize = mkOption {
diff --git a/pkgs/servers/nextcloud/default.nix b/pkgs/servers/nextcloud/default.nix
index 183da107f128..fa17e10da7b9 100644
--- a/pkgs/servers/nextcloud/default.nix
+++ b/pkgs/servers/nextcloud/default.nix
@@ -49,4 +49,9 @@ in {
     version = "19.0.3";
     sha256 = "0sc9cnsdh8kj60h7i3knh40ngdz1w1wmdqw2v2axfkmax22kjl7w";
   };
+
+  nextcloud20 = generic {
+    version = "20.0.0";
+    sha256 = "1n2cv1i56g6qpzkbl5xaf420zzr4y7isg0lskmr7ymk83way0wx2";
+  };
 }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 2b4682f5c555..672de285ac15 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -5720,7 +5720,7 @@ in
   grocy = callPackage ../servers/grocy { };
 
   inherit (callPackage ../servers/nextcloud {})
-    nextcloud17 nextcloud18 nextcloud19;
+    nextcloud17 nextcloud18 nextcloud19 nextcloud20;
 
   nextcloud-client = libsForQt514.callPackage ../applications/networking/nextcloud-client { };