diff --git a/pkgs/servers/monitoring/prometheus/node-exporter.nix b/pkgs/servers/monitoring/prometheus/node-exporter.nix
index 0da2bb604a0b..4fa5476e7d4c 100644
--- a/pkgs/servers/monitoring/prometheus/node-exporter.nix
+++ b/pkgs/servers/monitoring/prometheus/node-exporter.nix
@@ -5,17 +5,17 @@
 
 buildGoModule rec {
   pname = "node_exporter";
-  version = "1.3.1";
+  version = "1.4.0";
   rev = "v${version}";
 
   src = fetchFromGitHub {
     inherit rev;
     owner = "prometheus";
     repo = "node_exporter";
-    sha256 = "sha256-+0k9LBsHqNHmoOAY1UDzbbqni+ikj+c3ijfT41rCfLc=";
+    sha256 = "sha256-KO33Cyrc4Oh6vvTMazo5iuekpyxNsi18gIb66Z8B9i4=";
   };
 
-  vendorSha256 = "sha256-nAvODyy+PfkGFAaq+3hBhQaPji5GUMU7N8xcgbGQMeI=";
+  vendorSha256 = "sha256-eJbb56U6VStwfi6iSemWrriDYNaPiDegW3KJr8rH1NU=";
 
   # FIXME: tests fail due to read-only nix store
   doCheck = false;