diff --git a/sci-libs/cartopy/cartopy-0.20.1.ebuild b/sci-libs/cartopy/cartopy-0.20.1.ebuild
index 6ef30eb28e4fa..1fa38c496b976 100644
--- a/sci-libs/cartopy/cartopy-0.20.1.ebuild
+++ b/sci-libs/cartopy/cartopy-0.20.1.ebuild
@@ -39,7 +39,7 @@ DEPEND="${RDEPEND}
 	dev-python/cython[${PYTHON_USEDEP}]
 	sci-libs/geos
 	>=sci-libs/proj-8
-	dev-python/pyproj
+	dev-python/pyproj[${PYTHON_USEDEP}]
 "
 
 distutils_enable_tests pytest