diff --git a/AbstractXsdTypes.jl/Project.toml b/AbstractXsdTypes.jl/Project.toml
index aaa19a5..38c2d36 100644
--- a/AbstractXsdTypes.jl/Project.toml
+++ b/AbstractXsdTypes.jl/Project.toml
@@ -8,4 +8,5 @@ Format = "1fa38f19-a742-5d3f-a2b9-30dd87b9d5f8"
 Memoization = "6fafb56a-5788-4b4e-91ca-c0cea6611c73"
 
 [compat]
+Format = "1"
 Memoization = "0.2"