diff --git a/Project.toml b/Project.toml
index 7712058c8..1aff2a87d 100644
--- a/Project.toml
+++ b/Project.toml
@@ -43,7 +43,7 @@ Setfield = "0.7, 0.8, 1"
 SpecialFunctions = "0.10, 1.0, 2"
 StaticArrays = "0.12, 1.0"
 SymbolicIndexingInterface = "0.3"
-TermInterface = "0.4"
+TermInterface = "0.4, 1"
 TimerOutputs = "0.5"
 Unityper = "0.1.2"
 julia = "1.3"