diff --git a/Project.toml b/Project.toml
index acbf19f..f57806d 100644
--- a/Project.toml
+++ b/Project.toml
@@ -19,6 +19,7 @@ TimerOutputs = "a759f4b9-e2f1-59dc-863e-4aeb61b1ea8f"
 Tullio = "bc48ee85-29a4-5162-ae0b-a64e1601d4bc"
 
 [compat]
+Tullio = "0.3"
 JLD2 = "0.4"
 Reexport = "1"
 PyCall = "1"