diff --git a/docs/Project.toml b/docs/Project.toml
index 0e63499e6..677cc38cf 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -37,7 +37,7 @@ Zygote = "e88e6eb3-aa80-5325-afca-941959d7151f"
 AmplNLWriter = "1"
 Documenter = "1"
 FiniteDiff = ">= 2.8.1"
-Flux = "0.13, 0.14"
+Flux = "0.13, 0.14, 0.15"
 ForwardDiff = ">= 0.10.19"
 HiGHS = "1"
 Ipopt = "1"