diff --git a/Project.toml b/Project.toml
index c8f078f..5ffd4c0 100644
--- a/Project.toml
+++ b/Project.toml
@@ -32,7 +32,7 @@ DiffEqBase = "6.82"
 Distributions = "0.25"
 LabelledArrays = "1.6.1"
 NLopt = "0.6"
-NaNMath = "0.3"
+NaNMath = "0.3, 1.0"
 NodeJS = "1"
 OrdinaryDiffEq = "6"
 ProgressMeter = "1"