diff --git a/configure.ac b/configure.ac
index 42eba9a1..4e863fed 100644
--- a/configure.ac
+++ b/configure.ac
@@ -233,7 +233,7 @@ if (test "${enable_external_ell}" = "yes"); then
 			test "${enable_monitor}" != "no" ||
 			test "${enable_wired}" = "yes" ||
 			test "${enable_hwsim}" = "yes"); then
-		ell_min_version="0.18"
+		ell_min_version="0.20"
 	else
 		ell_min_version="0.5"
 	fi