diff --git a/Project.toml b/Project.toml
index 8b449d6..3e8e1ca 100644
--- a/Project.toml
+++ b/Project.toml
@@ -46,9 +46,9 @@ EchelleInstruments = "0.2"
 FITSIO = "0.16, 0.17"
 FileIO = "1.4"
 Interpolations = "0.12, 0.13, 0.14, 0.15"
-JLD2 = "0.2, 0.3, 0.4"
+JLD2 = "0.2, 0.3, 0.4, 0.5"
 KernelFunctions = "0.9.7, 0.10"
-LsqFit = "0.11, 0.12, 0.13" # replace estimate_covar with vcov starting in 0.14 
+LsqFit = "0.11, 0.12, 0.13"
 MultivariateStats = "0.7, 0.8, 0.9, 0.10"
 NaNMath = "0.3, 1"
 Optim = "1"