diff --git a/cabal-install.spec b/cabal-install.spec
index 77c9ac5..2f88832 100644
--- a/cabal-install.spec
+++ b/cabal-install.spec
@@ -13,7 +13,7 @@ Source1:        cabal-install.sh
 ExcludeArch:    %{ghc_excluded_archs}
 BuildRequires:  ghc-Cabal-devel
 BuildRequires:  ghc-rpm-macros
-BuildRequires:  ghc-zlib-devel, ghc-HTTP-devel
+BuildRequires:  ghc-zlib-devel, ghc-HTTP-devel, ghc-random-devel, ghc-time-devel
 # allow use with local ghc install
 #Requires:       ghc