diff --git a/eclass/rebar.eclass b/eclass/rebar.eclass
index f2a620fd89797..92dd16b08fbf5 100644
--- a/eclass/rebar.eclass
+++ b/eclass/rebar.eclass
@@ -32,7 +32,7 @@ esac
 
 EXPORT_FUNCTIONS src_prepare src_compile src_test src_install
 
-RDEPEND="dev-lang/erlang"
+RDEPEND="dev-lang/erlang:="
 DEPEND="${RDEPEND}
 	dev-util/rebar
 	>=sys-apps/gawk-4.1"