diff --git a/pkgs/by-name/do/dovecot/package.nix b/pkgs/by-name/do/dovecot/package.nix
index 56b5ba4d9322..de811df59304 100644
--- a/pkgs/by-name/do/dovecot/package.nix
+++ b/pkgs/by-name/do/dovecot/package.nix
@@ -182,6 +182,8 @@ stdenv.mkDerivation (finalAttrs: {
 
   doCheck = !stdenv.hostPlatform.isDarwin;
 
+  strictDeps = true;
+
   meta = {
     homepage = "https://dovecot.org/";
     description = "Open source IMAP and POP3 email server written with security primarily in mind";