diff --git a/Project.toml b/Project.toml
index 6dbf0d1d..4ab714c8 100644
--- a/Project.toml
+++ b/Project.toml
@@ -19,7 +19,7 @@ ArgCheck = "1.0, 2.0"
 BangBang = "0.3.17"
 ConstructionBase = "0.1.0, 1.0"
 InitialValues = "0.2, 0.3"
-MicroCollections = "0.1"
+MicroCollections = "0.1, 0.2"
 Referenceables = "0.1"
 Setfield = "0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 1"
 SplittablesBase = "0.1.8"