diff --git a/nixos/modules/services/monitoring/prometheus/exporters/blackbox.nix b/nixos/modules/services/monitoring/prometheus/exporters/blackbox.nix
index f69b389760f7..ca4366121e12 100644
--- a/nixos/modules/services/monitoring/prometheus/exporters/blackbox.nix
+++ b/nixos/modules/services/monitoring/prometheus/exporters/blackbox.nix
@@ -4,6 +4,13 @@ with lib;
 
 let
   cfg = config.services.prometheus.exporters.blackbox;
+
+  checkConfig = file: pkgs.runCommand "checked-blackbox-exporter.conf" {
+    preferLocalBuild = true;
+    buildInputs = [ pkgs.buildPackages.prometheus-blackbox-exporter ]; } ''
+    ln -s ${file} $out
+    blackbox_exporter --config.check --config.file $out
+  '';
 in
 {
   port = 9115;
@@ -21,7 +28,7 @@ in
       ExecStart = ''
         ${pkgs.prometheus-blackbox-exporter}/bin/blackbox_exporter \
           --web.listen-address ${cfg.listenAddress}:${toString cfg.port} \
-          --config.file ${cfg.configFile} \
+          --config.file ${checkConfig cfg.configFile} \
           ${concatStringsSep " \\\n  " cfg.extraFlags}
       '';
       ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
diff --git a/pkgs/servers/monitoring/prometheus/blackbox-exporter.nix b/pkgs/servers/monitoring/prometheus/blackbox-exporter.nix
index 1f342adebaa0..9803ba09e16a 100644
--- a/pkgs/servers/monitoring/prometheus/blackbox-exporter.nix
+++ b/pkgs/servers/monitoring/prometheus/blackbox-exporter.nix
@@ -2,7 +2,7 @@
 
 buildGoPackage rec {
   name = "blackbox_exporter-${version}";
-  version = "0.12.0";
+  version = "0.14.0";
   rev = version;
 
   goPackagePath = "github.com/prometheus/blackbox_exporter";
@@ -11,14 +11,16 @@ buildGoPackage rec {
     rev = "v${version}";
     owner = "prometheus";
     repo = "blackbox_exporter";
-    sha256 = "0gd3vymk3qdfjnf0rx9kwc6v0jv7f8l30igvj2v7bljar2d6hzxf";
+    sha256 = "1v5n59p9jl6y1ka9mqp0ibx1kpcb3gbpl0i6bhqpbr154frmqm4x";
   };
 
+  doCheck = true;
+
   meta = with stdenv.lib; {
     description = "Blackbox probing of endpoints over HTTP, HTTPS, DNS, TCP and ICMP";
-    homepage = https://github.com/prometheus/blackbox_exporter;
+    homepage = "https://github.com/prometheus/blackbox_exporter";
     license = licenses.asl20;
-    maintainers = with maintainers; [ globin fpletz ];
+    maintainers = with maintainers; [ globin fpletz willibutz ];
     platforms = platforms.unix;
   };
 }