diff --git a/dev-util/spirv-tools/spirv-tools-2018.4.ebuild b/dev-util/spirv-tools/spirv-tools-2018.4.ebuild
index 9b76b868f2378..95d38ce604dd1 100644
--- a/dev-util/spirv-tools/spirv-tools-2018.4.ebuild
+++ b/dev-util/spirv-tools/spirv-tools-2018.4.ebuild
@@ -17,7 +17,7 @@ KEYWORDS="~amd64 ~x86"
 RESTRICT="test"
 
 RDEPEND=""
-DEPEND="dev-util/spirv-headers"
+DEPEND=">=dev-util/spirv-headers-1.3.1_pre20180710"
 EGIT_COMMIT="f508896d6487d09f5c9a2a3835595446fec0791a"
 S="${WORKDIR}/SPIRV-Tools-${PV}"
 
diff --git a/dev-util/spirv-tools/spirv-tools-9999.ebuild b/dev-util/spirv-tools/spirv-tools-9999.ebuild
index 31b356a6c96c9..029556876e652 100644
--- a/dev-util/spirv-tools/spirv-tools-9999.ebuild
+++ b/dev-util/spirv-tools/spirv-tools-9999.ebuild
@@ -17,7 +17,7 @@ SLOT="0"
 RESTRICT="test"
 
 RDEPEND=""
-DEPEND="dev-util/spirv-headers"
+DEPEND=">=dev-util/spirv-headers-1.3.1_pre20180710"
 
 multilib_src_configure() {
 	local mycmakeargs=(