diff --git a/pkgs/servers/monitoring/prometheus/default.nix b/pkgs/servers/monitoring/prometheus/default.nix
index 2430a8cf171..03080376ec2 100644
--- a/pkgs/servers/monitoring/prometheus/default.nix
+++ b/pkgs/servers/monitoring/prometheus/default.nix
@@ -50,7 +50,7 @@ in rec {
   };
 
   prometheus_2 = generic {
-    version = "2.4.3";
-    sha256 = "1kci2zhh4ixil0b72d138vm8006y117mw51wsyz8j0gyy4180msj";
+    version = "2.6.0";
+    sha256 = "1d9zwzs280pw9zspqwp7xx3ji04lfg2v9l5qhrfy3y633ghcmpxz";
   };
 }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 59ac9b9bef5..7d0098a8cb1 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -13855,10 +13855,10 @@ in
 
   inherit (callPackage ../servers/monitoring/prometheus {
     buildGoPackage = buildGo110Package;
-  })
-      prometheus_1
-      prometheus_2
-      ;
+  }) prometheus_1;
+
+  inherit (callPackage ../servers/monitoring/prometheus { })
+    prometheus_2;
 
   prom2json = callPackage ../servers/monitoring/prometheus/prom2json.nix { };
   prometheus = prometheus_1;