diff --git a/pkgs/servers/mattermost/default.nix b/pkgs/servers/mattermost/default.nix
index 01819e8e99f..e6eab7da86a 100644
--- a/pkgs/servers/mattermost/default.nix
+++ b/pkgs/servers/mattermost/default.nix
@@ -7,21 +7,21 @@
 
 buildGoModule rec {
   pname = "mattermost";
-  version = "7.5.2";
+  version = "7.7.1";
 
   src = fetchFromGitHub {
     owner = "mattermost";
     repo = "mattermost-server";
     rev = "v${version}";
-    sha256 = "sha256-Jm7bu/RoFp7h38Ygis3U2E7Hbbj4zmRPc4PacxxASsw=";
+    sha256 = "sha256-py1Ck/BGNGIlyVZXJPb9bYHLU8FTrBEIQwVkHvgHRLY";
   };
 
   webapp = fetchurl {
     url = "https://releases.mattermost.com/${version}/mattermost-${version}-linux-amd64.tar.gz";
-    sha256 = "sha256-Zvzme6Og/LLsT4XyFDAQscNgO+jCwwzDDytYOo4qM0U=";
+    sha256 = "sha256-4FrvKQdGKfwJM7Oc43kg1Iq4o/OT2/kl89bTKBO4EdQ";
   };
 
-  vendorSha256 = "sha256-qZQXNVbJZDddVE+xk6F8XJCEg5dhhuXz68wcn2Uvmxk=";
+  vendorSha256 = "sha256-qJSddirC0VVFgKsttmNFZ1AzGR7jo07jXzrt7+DswXs=";
 
   subPackages = [ "cmd/mattermost" ];