diff --git a/examples/Project.toml b/examples/Project.toml
index 7a643db8..12fd9d33 100644
--- a/examples/Project.toml
+++ b/examples/Project.toml
@@ -17,6 +17,7 @@ DiffEqDevTools = "2"
 LinearSolve = "2"
 OrdinaryDiffEq = "6"
 Plots = "1"
+PositiveIntegrators = "0.1"
 PrettyTables = "2"
 StaticArrays = "1.5"
 SymbolicIndexingInterface = "0.2, 0.3"