diff --git a/pkgs/by-name/gr/grafana-loki/package.nix b/pkgs/by-name/gr/grafana-loki/package.nix
index 8aeda3eb7495..69f76cdf2946 100644
--- a/pkgs/by-name/gr/grafana-loki/package.nix
+++ b/pkgs/by-name/gr/grafana-loki/package.nix
@@ -12,14 +12,14 @@
 }:
 
 buildGoModule rec {
-  version = "3.4.2";
+  version = "3.4.3";
   pname = "grafana-loki";
 
   src = fetchFromGitHub {
     owner = "grafana";
     repo = "loki";
     rev = "v${version}";
-    hash = "sha256-GE92NlFCOk6qFtrgeBvLDI0OkmWaJ1j07Q14+jgi9+w=";
+    hash = "sha256-1tI9X2eIKuWEWJBbN4UAw8yeRrjgfqcenJyTNMk5rqU=";
   };
 
   vendorHash = null;