diff --git a/sci-libs/caffe2/caffe2-1.11.0.ebuild b/sci-libs/caffe2/caffe2-1.11.0.ebuild
index f8e9483bf74a4..74e51e18a3ea3 100644
--- a/sci-libs/caffe2/caffe2-1.11.0.ebuild
+++ b/sci-libs/caffe2/caffe2-1.11.0.ebuild
@@ -34,6 +34,7 @@ DEPEND="${RDEPEND}
 	dev-libs/FP16
 	dev-libs/pocketfft
 	dev-libs/flatbuffers
+	dev-python/pyyaml[${PYTHON_USEDEP}]
 "
 
 S="${WORKDIR}"/${MYP}