diff --git a/.travis.yml b/.travis.yml
index 67cac4c..6970931 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,9 +20,9 @@ git:
 # uncomment the following lines to override the default test script
 script:
   - if [[ -a .git/shallow ]]; then git fetch --unshallow; fi
-  - julia -e 'if VERSION < v"0.7.0-DEV.5183"; Pkg.clone(pwd()); else; using Pkg; Pkg.up(); end; Pkg.test("StrFormat"; coverage=true)'
+  - julia -e 'if VERSION < v"0.7.0-DEV.5183"; Pkg.clone(pwd()); else; using Pkg; Pkg.up();  l=("ChrBase", "StrBase", "StrLiterals"); for n in l; Pkg.rm(n); end; Pkg.add(["https://github.com/JuliaString/$n.jl" for n in l]); Pkg.add(pwd()); end; Pkg.test("StrFormat"; coverage=true)'
 after_success:
   # push coverage results to Coveralls
-  - julia -e 'cd(Pkg.dir("StrFormat")); Pkg.add("Coverage"); using Coverage; Coveralls.submit(Coveralls.process_folder())'
+  - julia -e 'VERSION < v"0.7.0-DEV" || (using Pkg); cd(Pkg.dir("StrFormat")); Pkg.add("Coverage"); using Coverage; Coveralls.submit(Coveralls.process_folder())'
   # push coverage results to Codecov
-  - julia -e 'cd(Pkg.dir("StrFormat")); Pkg.add("Coverage"); using Coverage; Codecov.submit(Codecov.process_folder())'
+  - julia -e 'VERSION < v"0.7.0-DEV" || (using Pkg); cd(Pkg.dir("StrFormat")); Pkg.add("Coverage"); using Coverage; Codecov.submit(Codecov.process_folder())'
diff --git a/Project.toml b/Project.save
similarity index 100%
rename from Project.toml
rename to Project.save
diff --git a/REQUIRE b/REQUIRE
index 35e7511..b74487c 100644
--- a/REQUIRE
+++ b/REQUIRE
@@ -1,3 +1,9 @@
 julia 0.6
-Format
-StrLiterals
+Format 0.6.4
+ModuleInterfaceTools 0.1.2
+StrAPI 0.1.1
+CharSetEncodings 0.1.1
+ChrBase 0.1.1
+MurmurHash3 0.1.2
+StrBase 0.1.1
+StrLiterals 0.1.0
diff --git a/appveyor.yml b/appveyor.yml
index 36b0a3b..8131ddb 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -43,7 +43,12 @@ build_script:
   - C:\projects\julia\bin\julia -e "VERSION < v\"0.7.0-DEV\" || (using InteractiveUtils);
       versioninfo();
       if VERSION < v\"0.7.0-DEV.5183\"; Pkg.clone(pwd(), \"StrFormat\");
-      else; using Pkg; Pkg.up(); end"
+      else; using Pkg; Pkg.up();
+          l = ("ChrBase", "StrBase", "StrLiterals");
+          for n in l; Pkg.rm(n); end;
+          Pkg.add(["https://github.com/JuliaString/$n.jl" for n in l]);
+          Pkg.add(pwd());
+      end"
 
 test_script:
-  - C:\projects\julia\bin\julia -e "Pkg.test(\"StrFormat\")"
+  - C:\projects\julia\bin\julia -e "VERSION < v\"0.7.0-DEV\" || (using Pkg); Pkg.test(\"StrFormat\")"
diff --git a/test/runtests.jl b/test/runtests.jl
index 8ea8cda..b68f13e 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -2,6 +2,8 @@
 
 using ModuleInterfaceTools, Format
 
+@static V6_COMPAT || (using Pkg)
+
 @api test StrAPI, StrLiterals
 
 using StrFormat