diff --git a/Project.toml b/Project.toml
index fa19a7ec7..a7421c2fa 100644
--- a/Project.toml
+++ b/Project.toml
@@ -26,6 +26,6 @@ DelayDiffEq = "5.6"
 IterTools = "1.0"
 LaTeXStrings = "1.0"
 OrdinaryDiffEq = "5.2"
-Plots = "0.24, 0.25, 0.26, 0.27, 0.28"
+Plots = "0.24, 0.25, 0.26, 0.27, 0.28, 1.7"
 Polynomials = "0.6.0"
 julia = "1.0"