diff --git a/Project.toml b/Project.toml
index a382ff61..60433615 100644
--- a/Project.toml
+++ b/Project.toml
@@ -13,7 +13,7 @@ ZipFile = "a5390f91-8eb1-5f08-bee0-b1d1ffed6cea"
 
 [compat]
 ArchGDAL = "0.4, 0.5, 0.6"
-Downloads = "1.4, 1.5"
+Downloads = "1.4"
 RecipesBase = "0.7, 0.8, 1.0"
 Requires = "1.0"
 ZipFile = "0.8, 0.9"
diff --git a/src/integrations/DataFrames.jl b/src/integrations/DataFrames.jl
index 73be82c0..fdbe199f 100644
--- a/src/integrations/DataFrames.jl
+++ b/src/integrations/DataFrames.jl
@@ -76,7 +76,7 @@ function DataFrames.DataFrame(layers::Array{T}; kw...) where {T <: SimpleSDMLaye
     lons = repeat(longitudes(l1), inner = size(l1, 1))
     values = mapreduce(x -> vec(x.grid), hcat, layers)
     
-    df = DataFrames.DataFrame(values; kw...)
+    df = DataFrames.DataFrame(values, :auto; kw...)
     DataFrames.insertcols!(df, 1, :latitude => lats)
     DataFrames.insertcols!(df, 1, :longitude => lons)
     return df
diff --git a/test/Project.toml b/test/Project.toml
index 20026d62..3bd386f8 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -6,4 +6,5 @@ Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [compat]
+DataFrames = "0.22, 1.0"
 GBIF = "0.2, 0.3"