diff --git a/pkgs/servers/mattermost/default.nix b/pkgs/servers/mattermost/default.nix
new file mode 100644
index 000000000000..977df3967554
--- /dev/null
+++ b/pkgs/servers/mattermost/default.nix
@@ -0,0 +1,29 @@
+{ stdenv, fetchurl }:
+
+stdenv.mkDerivation rec {
+  name = "mattermost-${version}";
+  version = "3.3.0";
+
+  src = fetchurl {
+    url = "https://releases.mattermost.com/${version}/mattermost-team-${version}-linux-amd64.tar.gz";
+    sha256 = "16mp75hv4lzkj99lj18c5vyqsmk9kqk5r81hirq41fgb6bdqx509";
+  };
+
+  installPhase = ''
+    mkdir -p $out
+    mv * $out/
+    ln -s ./platform $out/bin/mattermost-platform
+  '';
+
+  postFixup = ''
+    patchelf --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" $out/bin/platform
+  '';
+
+  meta = with stdenv.lib; {
+    description = "Open-Source, self-hosted Slack-alternative";
+    homepage = "https://www.mattermost.org";
+    license = with licenses; [ agpl3 asl20 ];
+    maintainers = with maintainers; [ fpletz ];
+    platforms = [ "x86_64-linux" ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index d7ef90c69e05..5f989b74031e 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -10297,6 +10297,8 @@ in
 
   mailman = callPackage ../servers/mail/mailman { };
 
+  mattermost = callPackage ../servers/mattermost { };
+
   mediatomb = callPackage ../servers/mediatomb {
     spidermonkey = spidermonkey_185;
   };