diff --git a/postgresql14.spec b/postgresql14.spec
index 314f23c..c587504 100644
--- a/postgresql14.spec
+++ b/postgresql14.spec
@@ -104,6 +104,7 @@ BuildRequires:  %libpq
 %bcond_with server_devel
 %endif
 
+BuildRequires:  /usr/bin/free
 BuildRequires:  fdupes
 %if %{with icu}
 BuildRequires:  libicu-devel