diff --git a/pkgs/servers/monitoring/prometheus/default.nix b/pkgs/servers/monitoring/prometheus/default.nix
index 1ddcf28e93d4..112a86e19d56 100644
--- a/pkgs/servers/monitoring/prometheus/default.nix
+++ b/pkgs/servers/monitoring/prometheus/default.nix
@@ -31,10 +31,10 @@
 }:
 
 let
-  version = "2.38.0";
+  version = "2.40.0";
   webUiStatic = fetchurl {
     url = "https://github.com/prometheus/prometheus/releases/download/v${version}/prometheus-web-ui-${version}.tar.gz";
-    sha256 = "sha256-0CcWHJYso9iI1isCa2ZKYtNpfqcUt5sj23xkufxv6rw=";
+    sha256 = "sha256-1uNwGs/UmwMhST7LyDq4hUEW9Y6xpmvCDDT3f58r3d4=";
   };
 in
 buildGoModule rec {
@@ -45,10 +45,10 @@ buildGoModule rec {
     rev = "v${version}";
     owner = "prometheus";
     repo = "prometheus";
-    sha256 = "sha256-5s2Q3xjublHAQSB6MaxZTMOPS0T6/Bn5Ki8NCkBYM2E=";
+    sha256 = "sha256-QKeZ4N5I4VjTIT5WmEGt+gXt1Nnx3tzecLaSlhvGGuE=";
   };
 
-  vendorSha256 = "sha256-wfHdfW4D4ESbglUUjAl5a93aJqLuQkqKHMChHGnCmCg=";
+  vendorSha256 = "sha256-aRVoEgP84ITQ1D0PsFVJUKH/Uin7s80iQCwzgrfpjoM=";
 
   excludedPackages = [ "documentation/prometheus-mixin" ];