diff --git a/pkgs/by-name/po/postfix-tlspol/package.nix b/pkgs/by-name/po/postfix-tlspol/package.nix
index f938699e8f85..255922c0fcdd 100644
--- a/pkgs/by-name/po/postfix-tlspol/package.nix
+++ b/pkgs/by-name/po/postfix-tlspol/package.nix
@@ -7,13 +7,13 @@
 
 buildGoModule rec {
   pname = "postfix-tlspol";
-  version = "1.8.14";
+  version = "1.8.15";
 
   src = fetchFromGitHub {
     owner = "Zuplu";
     repo = "postfix-tlspol";
     tag = "v${version}";
-    hash = "sha256-lfezkGMmdYlstchUWGoofCfJLIHOStaDwR/A5j1EOGc=";
+    hash = "sha256-DqFBXU9b6TOujG464Ww4iAA04NA5j0z9N00F7mbV92Q=";
   };
 
   vendorHash = null;