diff --git a/dev-util/catkin/catkin-0.7.6-r1.ebuild b/dev-util/catkin/catkin-0.7.6-r1.ebuild
index 2ddba0a419cf2..2cd98c0f310ce 100644
--- a/dev-util/catkin/catkin-0.7.6-r1.ebuild
+++ b/dev-util/catkin/catkin-0.7.6-r1.ebuild
@@ -26,8 +26,10 @@ fi
 LICENSE="BSD"
 SLOT="0"
 IUSE="test"
+REQUIRED_USE="${PYTHON_REQUIRED_USE}"
 
 RDEPEND="
+	${PYTHON_DEPS}
 	dev-python/catkin_pkg[${PYTHON_USEDEP}]
 	dev-python/empy[${PYTHON_USEDEP}]
 "
diff --git a/dev-util/catkin/catkin-9999.ebuild b/dev-util/catkin/catkin-9999.ebuild
index 2ddba0a419cf2..2cd98c0f310ce 100644
--- a/dev-util/catkin/catkin-9999.ebuild
+++ b/dev-util/catkin/catkin-9999.ebuild
@@ -26,8 +26,10 @@ fi
 LICENSE="BSD"
 SLOT="0"
 IUSE="test"
+REQUIRED_USE="${PYTHON_REQUIRED_USE}"
 
 RDEPEND="
+	${PYTHON_DEPS}
 	dev-python/catkin_pkg[${PYTHON_USEDEP}]
 	dev-python/empy[${PYTHON_USEDEP}]
 "