diff --git a/README.md b/README.md
index f3a1c9d82..1c410bc5b 100644
--- a/README.md
+++ b/README.md
@@ -45,7 +45,7 @@ Install Bio.jl from the Julia REPL:
 
 ```julia
 using Pkg
-Pkg.add("Bio")
+add("Bio")
 # Pkg.add("Bio") on julia v0.6-
 ```
 
diff --git a/REQUIRE b/REQUIRE
index 6e51923df..b64cf7ca2 100644
--- a/REQUIRE
+++ b/REQUIRE
@@ -1,9 +1,10 @@
 julia 0.6
-BioAlignments
-BioServices
-BioSymbols 1.1
-BioSequences 0.6
-BioStructures
-GenomicFeatures
-GeneticVariation
+BioAlignments 0.2 0.3-
+BioServices 0.1 0.2-
+BioSymbols 2.0 2.1-
+BioSequences 0.8 0.9-
+BioStructures 0.2 0.3-
+BioTools 0.1 0.2-
+GenomicFeatures 0.2 0.3-
+GeneticVariation 0.3 0.4-
 Phylogenies
diff --git a/src/Bio.jl b/src/Bio.jl
index 7c2af4b8e..5f94e31eb 100644
--- a/src/Bio.jl
+++ b/src/Bio.jl
@@ -17,7 +17,6 @@ const Phylo = Phylogenies
 const Structure = BioStructures
 const Var = GeneticVariation
 const Services = BioServices
-
-include("tools/Tools.jl")
+const Tools = BioTools
 
 end  # module Bio