diff --git a/Project.toml b/Project.toml
index 52bf2a3..5407657 100644
--- a/Project.toml
+++ b/Project.toml
@@ -21,6 +21,7 @@ TensorCrossInterpolation = "b261b2ec-6378-4871-b32e-9173bb050604"
 
 [compat]
 Coverage = "1"
+CoverageTools = "1"
 EllipsisNotation = "1"
 FastMPOContractions = "0.2.2"
 HubbardAtoms = "0.1.0"