diff --git a/dev-python/elasticsearch-py/elasticsearch-py-1.6.0.ebuild b/dev-python/elasticsearch-py/elasticsearch-py-1.6.0.ebuild
index ce8d2e9685cc3..9effa3b2ac7a2 100644
--- a/dev-python/elasticsearch-py/elasticsearch-py-1.6.0.ebuild
+++ b/dev-python/elasticsearch-py/elasticsearch-py-1.6.0.ebuild
@@ -21,7 +21,9 @@ RDEPEND=">=dev-python/urllib3-1.8[${PYTHON_USEDEP}]
 	<dev-python/urllib3-2.0[${PYTHON_USEDEP}]"
 
 DEPEND="dev-python/setuptools[${PYTHON_USEDEP}]
-	doc? ( dev-python/sphinx[${PYTHON_USEDEP}] )
+	doc? (
+		dev-python/sphinx[${PYTHON_USEDEP}]
+		dev-python/sphinx_rtd_theme[${PYTHON_USEDEP}] )
 	test? ( ${RDEPEND}
 		>=dev-python/requests-1.0.0[${PYTHON_USEDEP}]
 		<dev-python/requests-3.0.0[${PYTHON_USEDEP}]