diff --git a/Project.toml b/Project.toml
index 1843889..59a675f 100644
--- a/Project.toml
+++ b/Project.toml
@@ -6,7 +6,7 @@ version = "1.3.0"
 ColorSchemes = "35d6a980-a343-548e-a6ea-1d62b119f2f4"
 ColorTypes = "3da002f7-5984-5a60-b8a6-cbb66c0b333f"
 Colors = "5ae59095-9a9b-59fe-a467-6f913c188581"
-DataStructures = "864edb3b-99cc-5e75-8d2d-829cb0a9cfe8"
+OrderedCollections = "bac558e1-5e72-5ebc-8fee-abe8a469f55d"
 REPL = "3fa0cd96-eef1-5676-8a61-b3b8758bbffb"
 ReplMaker = "b873ce64-0db9-51f5-a568-4457d8e49576"
 StatsBase = "2913bbd2-ae8a-5f71-8c99-4fb6c76f3a91"
@@ -17,7 +17,7 @@ Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 ColorSchemes = "^3.5"
 ColorTypes = "^0.10"
 Colors = "^0.12"
-DataStructures = "^0.17"
+OrderedCollections = "^1.1"
 ReplMaker = "^0.2"
 StatsBase = "^0.33"
 StructC14N = "^0.3"
diff --git a/src/Gnuplot.jl b/src/Gnuplot.jl
index 8650d59..276ecb9 100644
--- a/src/Gnuplot.jl
+++ b/src/Gnuplot.jl
@@ -1,6 +1,7 @@
 module Gnuplot
 
-using StatsBase, ColorSchemes, ColorTypes, Colors, StructC14N, DataStructures
+using StatsBase, ColorSchemes, ColorTypes, Colors, StructC14N
+using OrderedCollections: OrderedDict
 using REPL, ReplMaker
 
 import Base.reset