diff --git a/pkgs/servers/monitoring/prometheus/wireguard-exporter.nix b/pkgs/servers/monitoring/prometheus/wireguard-exporter.nix
index cfa2d1d43a15..14920ea035ff 100644
--- a/pkgs/servers/monitoring/prometheus/wireguard-exporter.nix
+++ b/pkgs/servers/monitoring/prometheus/wireguard-exporter.nix
@@ -2,16 +2,16 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "wireguard-exporter";
-  version = "3.6.3";
+  version = "3.6.6";
 
   src = fetchFromGitHub {
     owner = "MindFlavor";
     repo = "prometheus_wireguard_exporter";
     rev = version;
-    sha256 = "sha256-m29/whlmhIkLin84NOWs2NVZcXNpVsyyHZ1CLp4FXd0=";
+    sha256 = "sha256-2e31ZuGJvpvu7L2Lb+n6bZWpC1JhETzEzSiNaxxsAtA=";
   };
 
-  cargoSha256 = "sha256-XK4hjBIcOx6JMv61gOpIXaZy7Unw+Bk84TEb+8Fib6Q=";
+  cargoSha256 = "sha256-NsxGpjuZPpz4gCJRp5IOcfRFh8DTud47nV2bE0/kc2Q=";
 
   buildInputs = lib.optionals stdenv.isDarwin [ libiconv Security ];