diff --git a/libproxy-plugins.spec b/libproxy-plugins.spec
index 249db6a..3e786b6 100644
--- a/libproxy-plugins.spec
+++ b/libproxy-plugins.spec
@@ -57,7 +57,7 @@ BuildRequires:  dbus-1-devel
 BuildRequires:  gconf2-devel
 # For directory ownership, but also because we want to rebuild the modules if
 # the library changed
-BuildRequires:  libproxy1
+BuildRequires:  libproxy1 = %{version}
 %if 0%{?favor_gtk2}
 BuildRequires:  pkgconfig(gconf-2.0)
 BuildRequires:  pkgconfig(gobject-2.0)
diff --git a/libproxy.spec b/libproxy.spec
index b273d9b..b6a899d 100644
--- a/libproxy.spec
+++ b/libproxy.spec
@@ -57,7 +57,7 @@ BuildRequires:  dbus-1-devel
 BuildRequires:  gconf2-devel
 # For directory ownership, but also because we want to rebuild the modules if
 # the library changed
-BuildRequires:  libproxy1
+BuildRequires:  libproxy1 = %{version}
 %if 0%{?favor_gtk2}
 BuildRequires:  pkgconfig(gconf-2.0)
 BuildRequires:  pkgconfig(gobject-2.0)