diff --git a/nixos/doc/manual/from_md/release-notes/rl-2111.section.xml b/nixos/doc/manual/from_md/release-notes/rl-2111.section.xml
index 9581b2afa68e..e5e7c112c617 100644
--- a/nixos/doc/manual/from_md/release-notes/rl-2111.section.xml
+++ b/nixos/doc/manual/from_md/release-notes/rl-2111.section.xml
@@ -1867,6 +1867,15 @@ Superuser created successfully.
           directory.
         </para>
       </listitem>
+      <listitem>
+        <para>
+          Loki has had another release. Some default values have been
+          changed for the configuration and some configuration options
+          have been renamed. For more details, please check
+          <link xlink:href="https://grafana.com/docs/loki/latest/upgrading/#240">the
+          upgrade guide</link>.
+        </para>
+      </listitem>
     </itemizedlist>
   </section>
 </section>
diff --git a/nixos/doc/manual/release-notes/rl-2111.section.md b/nixos/doc/manual/release-notes/rl-2111.section.md
index 0c603144b644..144e08340157 100644
--- a/nixos/doc/manual/release-notes/rl-2111.section.md
+++ b/nixos/doc/manual/release-notes/rl-2111.section.md
@@ -518,3 +518,5 @@ In addition to numerous new and upgraded packages, this release has the followin
   - The unifi run directory can now be found under: `/run/unifi` instead of `/var/lib/unifi/run`.
 
 - `security.pam.services.<name>.makeHomeDir` now uses `umask=0077` instead of `umask=0022` when creating the home directory.
+
+- Loki has had another release. Some default values have been changed for the configuration and some configuration options have been renamed. For more details, please check [the upgrade guide](https://grafana.com/docs/loki/latest/upgrading/#240).
diff --git a/pkgs/servers/monitoring/loki/default.nix b/pkgs/servers/monitoring/loki/default.nix
index d23a873ccecb..62cd19a89c2b 100644
--- a/pkgs/servers/monitoring/loki/default.nix
+++ b/pkgs/servers/monitoring/loki/default.nix
@@ -8,14 +8,14 @@
 }:
 
 buildGoModule rec {
-  version = "2.3.0";
+  version = "2.4.0";
   pname = "grafana-loki";
 
   src = fetchFromGitHub {
     rev = "v${version}";
     owner = "grafana";
     repo = "loki";
-    sha256 = "sha256-Cxg3VRF4p/Kb6LyreGV0g+zPr15wplritSZgkbTiDI0=";
+    sha256 = "sha256-5A2DzFYLkPnBHqgMUDog0IgbdAx+U1U5npzuqJGbEHQ=";
   };
 
   vendorSha256 = null;