diff --git a/squid.spec b/squid.spec
index c39cd1e..6cd9b03 100644
--- a/squid.spec
+++ b/squid.spec
@@ -55,7 +55,7 @@ BuildRequires: expat-devel libxml2-devel
 # TPROXY requires libcap, and also increases security somewhat
 BuildRequires: libcap-devel
 # eCAP and some other need libltdl
-BuildRequires: libtool-ltdl-devel
+BuildRequires: libtool libtool-ltdl-devel
 
 %description
 Squid is a high-performance proxy caching server for Web clients,