diff --git a/dev-python/lmfit/lmfit-1.0.2.ebuild b/dev-python/lmfit/lmfit-1.0.2.ebuild
index 3be5d42ef10e5..3e93970d97535 100644
--- a/dev-python/lmfit/lmfit-1.0.2.ebuild
+++ b/dev-python/lmfit/lmfit-1.0.2.ebuild
@@ -20,6 +20,10 @@ RDEPEND="
 	>=dev-python/uncertainties-3.0.1[${PYTHON_USEDEP}]
 	>=dev-python/scipy-1.2[${PYTHON_USEDEP}]
 "
+# past from future needed for tests, bug #737978
+BDEPEND="${RDEPEND}
+	test? ( dev-python/future[${PYTHON_USEDEP}] )
+"
 
 distutils_enable_tests pytest