diff --git a/pkgs/servers/monitoring/nagios/plugins/check_ssl_cert.nix b/pkgs/servers/monitoring/nagios/plugins/check_ssl_cert.nix
index 8f0a16d0039..d14302b2e69 100644
--- a/pkgs/servers/monitoring/nagios/plugins/check_ssl_cert.nix
+++ b/pkgs/servers/monitoring/nagios/plugins/check_ssl_cert.nix
@@ -10,13 +10,13 @@
 
 stdenv.mkDerivation rec {
   pname = "check_ssl_cert";
-  version = "2.32.0";
+  version = "2.33.0";
 
   src = fetchFromGitHub {
     owner = "matteocorti";
     repo = "check_ssl_cert";
     rev = "v${version}";
-    hash = "sha256-CoWoV9Vv9j0VmkRw7bQFArkKZA2Qq+7ae3ujogsUWso=";
+    hash = "sha256-LNs7v56Gk8pLM+vUwQKx85cTvcCZxfpuceOXih9t6kE=";
   };
 
   nativeBuildInputs = [