diff --git a/Project.toml b/Project.toml
index 2832822e..466fb2e5 100644
--- a/Project.toml
+++ b/Project.toml
@@ -69,7 +69,7 @@ LoggingExtras = "1.1.0"
 MacroTools = "0.5.16"
 Makie = "0.24.6"
 Measurements = "2.11.0"
-NLsolve = "4.5.1"
+NLsolve = "4.5.1, 5.0"
 Pkg = "1.11.0"
 Plots = "1.40.9"
 Printf = "1.11.0"