diff --git a/pkgs/servers/monitoring/loki/default.nix b/pkgs/servers/monitoring/loki/default.nix
index 7abeb767df97..1c6f1dfd7290 100644
--- a/pkgs/servers/monitoring/loki/default.nix
+++ b/pkgs/servers/monitoring/loki/default.nix
@@ -8,14 +8,14 @@
 }:
 
 buildGoModule rec {
-  version = "2.9.0";
+  version = "2.9.1";
   pname = "grafana-loki";
 
   src = fetchFromGitHub {
     owner = "grafana";
     repo = "loki";
     rev = "v${version}";
-    hash = "sha256-B7LTwPTvRLHqY1du9kj5MKY1kJZT6maNsuc0PBwrMn8=";
+    hash = "sha256-hfX1srlAd8huLViHlEyk3mcfMhY/LmeryQtAhB7rafw=";
   };
 
   vendorHash = null;