diff --git a/Project.toml b/Project.toml
index 8b3613b..0dd4815 100644
--- a/Project.toml
+++ b/Project.toml
@@ -15,6 +15,7 @@ TrajectoryIndexingUtils = "6dad8b7f-dd9a-4c28-9b70-85b9a079bfc8"
 CairoMakie = "0.10, 0.11, 0.12"
 IJulia = "1.24"
 NamedTrajectories = "0.2"
+QuantumCollocation = "0.2"
 Reexport = "1.2"
 TrajectoryIndexingUtils = "0.1"
 julia = "1.10"