diff --git a/pkgs/servers/monitoring/grafana/default.nix b/pkgs/servers/monitoring/grafana/default.nix
index 658c7ad816e0..fa414fec8433 100644
--- a/pkgs/servers/monitoring/grafana/default.nix
+++ b/pkgs/servers/monitoring/grafana/default.nix
@@ -2,7 +2,7 @@
 
 buildGoPackage rec {
   pname = "grafana";
-  version = "6.4.2";
+  version = "6.4.3";
 
   goPackagePath = "github.com/grafana/grafana";
 
@@ -12,12 +12,12 @@ buildGoPackage rec {
     rev = "v${version}";
     owner = "grafana";
     repo = "grafana";
-    sha256 = "12j0lksryggn7lg003ma2cnblclgzdw6b8rhz1wbq8d68m1mq5wv";
+    sha256 = "0150s14yjgshncs94xf42yrz7awvw2x91j0j9v23fypqmlch2p3m";
   };
 
   srcStatic = fetchurl {
     url = "https://dl.grafana.com/oss/release/grafana-${version}.linux-amd64.tar.gz";
-    sha256 = "0ch35h681yq5w7cpys0iiv3kva9hiqxzgk2gp0vcnadzmincwj7c";
+    sha256 = "0gr9m05h8qx3g0818b0qf1w26pdir3c5ydgi9zwdhjkppsq14dq2";
   };
 
   postPatch = ''