diff --git a/gambas3.spec b/gambas3.spec
index 49f786a..c7e7120 100644
--- a/gambas3.spec
+++ b/gambas3.spec
@@ -21,7 +21,8 @@ Source1:	%{name}.desktop
 BuildRequires:	gcc, gcc-c++
 BuildRequires:	automake, autoconf, SDL-devel, SDL_mixer-devel
 BuildRequires:	SDL2-devel, SDL2_mixer-devel, SDL2_image-devel, SDL2_ttf-devel
-BuildRequires:	mariadb-connector-c-devel, postgresql-devel, gtk2-devel, gtk3-devel
+BuildRequires:	mariadb-connector-c-devel, libpq-devel, postgresql-server-devel
+BuildRequires:	gtk2-devel, gtk3-devel
 BuildRequires:	desktop-file-utils, gettext-devel, curl-devel, librsvg2-devel
 BuildRequires:	poppler-devel, bzip2-devel, zlib-devel, pkgconfig
 BuildRequires:	unixODBC-devel, libXtst-devel, sqlite-devel, mesa-libGL-devel