diff --git a/pkgs/servers/web-apps/discourse/default.nix b/pkgs/servers/web-apps/discourse/default.nix
index 59e3d4b18e9..17f79f75054 100644
--- a/pkgs/servers/web-apps/discourse/default.nix
+++ b/pkgs/servers/web-apps/discourse/default.nix
@@ -9,13 +9,13 @@
 }@args:
 
 let
-  version = "2.7.7";
+  version = "2.7.8";
 
   src = fetchFromGitHub {
     owner = "discourse";
     repo = "discourse";
     rev = "v${version}";
-    sha256 = "sha256-rhcTQyirgPX0ITjgotJAYLLSU957GanxAYYhy9j123U=";
+    sha256 = "sha256-p4eViEvzIU6W89FZRtMBXsT7bvf2H12bTPZ/h3iD8rA=";
   };
 
   runtimeDeps = [
diff --git a/pkgs/servers/web-apps/discourse/rubyEnv/Gemfile.lock b/pkgs/servers/web-apps/discourse/rubyEnv/Gemfile.lock
index 1f7a3641caa..f7fca7dae77 100644
--- a/pkgs/servers/web-apps/discourse/rubyEnv/Gemfile.lock
+++ b/pkgs/servers/web-apps/discourse/rubyEnv/Gemfile.lock
@@ -590,4 +590,4 @@ DEPENDENCIES
   yaml-lint
 
 BUNDLED WITH
-   2.2.20
+   2.2.24