diff --git a/Project.toml b/Project.toml
old mode 100755
new mode 100644
index 55ca99f..b35d704
--- a/Project.toml
+++ b/Project.toml
@@ -57,6 +57,7 @@ DimensionalData = "0.26 - 0.30"
 Distributions = "0.25"
 DynamicHMC = "3"
 EnsembleKalmanProcesses = "2"
+Flux = "0.16.10"
 ForwardDiff = "1"
 LogDensityProblems = "2"
 LogDensityProblemsAD = "1"