diff --git a/pkgs/servers/monitoring/nagios/plugins/check_ssl_cert.nix b/pkgs/servers/monitoring/nagios/plugins/check_ssl_cert.nix
index d14302b2e69d..205e33ee0185 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 = "2.33.0";
+  version = "2.34.0";
 
   src = fetchFromGitHub {
     owner = "matteocorti";
     repo = "check_ssl_cert";
     rev = "v${version}";
-    hash = "sha256-LNs7v56Gk8pLM+vUwQKx85cTvcCZxfpuceOXih9t6kE=";
+    hash = "sha256-cEjYDb614JLNyuzpSUcIiZgK4vHa6NkL/DefqV+IGdQ=";
   };
 
   nativeBuildInputs = [