Update Project.toml (#48)

Author: matthieugomez

Project.toml

@@ -1,6 +1,6 @@
 name = "InteractiveFixedEffectModels"
 uuid = "80307280-efb2-5c5d-af8b-a9c15821677b"
-version = "1.1.6"
+version = "1.1.7"
 
 [deps]
 DataFrames = "a93c6f00-e57d-5684-b7b6-d8193f3e46c0"
@@ -31,7 +31,7 @@ StatsBase = "0.33"
 StatsModels = "0.6"
 StatsFuns = "0.9, 1"
 Tables = "1"
-Vcov = "0.5"
+Vcov = "0.5, 0.6"
 julia = "1.3"
 
 [extras]