diff --git a/.travis.yml b/.travis.yml
index 3bd0d98..5102ca0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -26,11 +26,11 @@ matrix:
 #  - if [ $TRAVIS_OS_NAME = osx ]; then brew install gcc; fi
 
 ## uncomment the following lines to override the default test script
-#script:
-#  - if [[ -a .git/shallow ]]; then git fetch --unshallow; fi
-#  - julia -e 'mit="ModuleInterfaceTools"; mh3="MurmurHash3"; loc="https://github.com/JuliaString"; if VERSION < v"0.7.0-DEV.5183"; cln = Pkg.clone; cln("$loc/$mit.jl"); cln("$loc/$mh3.jl"); for n in ("StrAPI", "CharSetEncodings", "ChrBase"); Pkg.add(n); end; cln("$loc/StrBase.jl"); cln(pwd()); else; using Pkg; cln = Pkg.add; cln("$loc/StrBase.jl"); end; Pkg.build("StrICU"); Pkg.test("StrICU"; coverage=true)'
+script:
+  - if [[ -a .git/shallow ]]; then git fetch --unshallow; fi
+  - julia -e 'mit="if VERSION < v"0.7.0-DEV.5183"; Pkg.clone(pwd()); else; using Pkg; Pkg.up(); Pkg.add(pwd()); end; Pkg.build("StrICU"); Pkg.test("StrICU"; coverage=true)'
 after_success:
   # push coverage results to Coveralls
-  - julia -e 'cd(Pkg.dir("StrICU")); Pkg.add("Coverage"); using Coverage; Coveralls.submit(Coveralls.process_folder())'
+  - julia -e 'VERSION < v"0.7.0-DEV" || (using Pkg); cd(Pkg.dir("StrICU")); Pkg.add("Coverage"); using Coverage; Coveralls.submit(Coveralls.process_folder())'
   # push coverage results to Codecov
-  - julia -e 'cd(Pkg.dir("StrICU")); Pkg.add("Coverage"); using Coverage; Codecov.submit(Codecov.process_folder())'
+  - julia -e 'VERSION < v"0.7.0-DEV" || (using Pkg); cd(Pkg.dir("StrICU")); Pkg.add("Coverage"); using Coverage; Codecov.submit(Codecov.process_folder())'
diff --git a/Project.toml b/Project.save
similarity index 100%
rename from Project.toml
rename to Project.save
diff --git a/REQUIRE b/REQUIRE
index f17192a..23e472c 100644
--- a/REQUIRE
+++ b/REQUIRE
@@ -1,4 +1,9 @@
 julia 0.6
 BinDeps
-StrBase
+ModuleInterfaceTools 0.1.2
+StrAPI 0.1.1
+CharSetEncodings 0.1.1
+ChrBase 0.1.1
+MurmurHash3 0.1.2
+StrBase 0.1.1
 @windows WinRPM
diff --git a/appveyor.yml b/appveyor.yml
index 07e4949..1e5d492 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -42,8 +42,9 @@ build_script:
   - IF EXIST .git\shallow (git fetch --unshallow)
   - C:\projects\julia\bin\julia -e "VERSION < v\"0.7.0-DEV\" || (using InteractiveUtils);
       versioninfo(); pkg = \"StrICU\";
-      if VERSION < v\"0.7.0-DEV.5183\"; Pkg.clone(pwd(), pkg); else; using Pkg; end;
+      if VERSION < v\"0.7.0-DEV.5183\"; Pkg.clone(pwd(), pkg);
+      else; using Pkg; Pkg.up(); Pkg.add(pwd()); end;
       Pkg.build(pkg)"
 
 test_script:
-  - C:\projects\julia\bin\julia -e "Pkg.test(\"StrICU\")"
+  - C:\projects\julia\bin\julia -e "VERSION < v\"0.7.0-DEV\" || (using Pkg); Pkg.test(\"StrICU\")"
diff --git a/src/StrICU.jl b/src/StrICU.jl
index e77c3d7..5c3006a 100644
--- a/src/StrICU.jl
+++ b/src/StrICU.jl
@@ -10,6 +10,8 @@ module StrICU
 
 using ModuleInterfaceTools
 
+@static V6_COMPAT || (using Pkg)
+
 @api extend StrAPI, CharSetEncodings, ChrBase, StrBase
 
 @static if !V6_COMPAT