diff --git a/pkgs/servers/monitoring/prometheus/postgres-exporter.nix b/pkgs/servers/monitoring/prometheus/postgres-exporter.nix
index 42ce5be68b35..45e55bfa6fb7 100644
--- a/pkgs/servers/monitoring/prometheus/postgres-exporter.nix
+++ b/pkgs/servers/monitoring/prometheus/postgres-exporter.nix
@@ -7,13 +7,13 @@
 
 buildGoModule rec {
   pname = "postgres_exporter";
-  version = "0.18.0";
+  version = "0.18.1";
 
   src = fetchFromGitHub {
     owner = "prometheus-community";
     repo = "postgres_exporter";
     rev = "v${version}";
-    sha256 = "sha256-Wl84/jNJngIdl/u8JYcHSeq07+qwfRgDH4v4yZVPq3k=";
+    sha256 = "sha256-yiWcJVpa5yGNk1ahbb+0uVzpFaXqBL2qgS0aH+bi4rU=";
   };
 
   vendorHash = "sha256-/9a3lB9V25OppkeLsIr02LZPLAQrQYZ74RJIDHiG6w8=";