diff --git a/sdk_container/src/third_party/coreos-overlay/coreos-devel/sdk-depends/sdk-depends-0.0.1-r21.ebuild b/sdk_container/src/third_party/coreos-overlay/coreos-devel/sdk-depends/sdk-depends-0.0.1-r22.ebuild
similarity index 100%
rename from sdk_container/src/third_party/coreos-overlay/coreos-devel/sdk-depends/sdk-depends-0.0.1-r21.ebuild
rename to sdk_container/src/third_party/coreos-overlay/coreos-devel/sdk-depends/sdk-depends-0.0.1-r22.ebuild
diff --git a/sdk_container/src/third_party/coreos-overlay/coreos-devel/sdk-depends/sdk-depends-0.0.1.ebuild b/sdk_container/src/third_party/coreos-overlay/coreos-devel/sdk-depends/sdk-depends-0.0.1.ebuild
index 456457b5a9..725f81d895 100644
--- a/sdk_container/src/third_party/coreos-overlay/coreos-devel/sdk-depends/sdk-depends-0.0.1.ebuild
+++ b/sdk_container/src/third_party/coreos-overlay/coreos-devel/sdk-depends/sdk-depends-0.0.1.ebuild
@@ -46,4 +46,8 @@ DEPEND="${DEPEND}
 	>=sys-apps/policycoreutils-2.0.82
 	sys-devel/m4"
 
+# Required by dev-lang/spidermonkey-1.8.5
+DEPEND="${DEPEND}
+	sys-devel/autoconf:2.1"
+
 RDEPEND="${DEPEND}"