diff --git a/REQUIRE b/REQUIRE
index ca1ac98..8712680 100644
--- a/REQUIRE
+++ b/REQUIRE
@@ -1,4 +1,4 @@
 julia 0.6
 ParameterizedFunctions 2.0.0
-DiffEqBase 1.21.0
+DiffEqBase 3.0.3
 DiffEqPDEBase