diff --git a/test/blob.test.coffee b/test/blob.test.coffee
index 01d5d34..cd32bd9 100644
--- a/test/blob.test.coffee
+++ b/test/blob.test.coffee
@@ -27,7 +27,7 @@ describe "Blob", ->
 
       it "is a string", ->
         data.should.be.type "string"
-        data.should.include "Bla"
+        data.should.containEql "Bla"
 
     describe "of a file in a subdir", ->
       repo = git "#{__dirname}/fixtures/branched"
@@ -41,7 +41,7 @@ describe "Blob", ->
 
       it "is a string", ->
         data.should.be.type "string"
-        data.should.include "!!!"
+        data.should.containEql "!!!"
 
   describe "#dataStream", ->
     describe "of a file off the root", ->
@@ -57,7 +57,7 @@ describe "Blob", ->
 
       it "is a string", ->
         data.should.be.type "string"
-        data.should.include "Bla"
+        data.should.containEql "Bla"
 
     describe "of a file in a subdir", ->
       repo = git "#{__dirname}/fixtures/branched"
@@ -73,6 +73,6 @@ describe "Blob", ->
 
       it "is a string", ->
         data.should.be.type "string"
-        data.should.include "!!!"
+        data.should.containEql "!!!"
 
 
diff --git a/test/ref.test.coffee b/test/ref.test.coffee
index 02242a3..a56f486 100644
--- a/test/ref.test.coffee
+++ b/test/ref.test.coffee
@@ -15,15 +15,15 @@ describe "Ref", ->
         Ref.find_all repo, "remote", Ref, (err, _remotes) ->
           remotes = _remotes
           done err
-      
+
       it "is an Array of Refs", ->
         remotes.should.be.an.instanceof Array
         remotes[0].should.be.an.instanceof Ref
-      
+
       it "the first item is a remote", ->
         remotes[0].name.should.eql "origin/HEAD"
         remotes[0].commit.should.be.an.instanceof Commit
-      
+
       it "the second item is a remote", ->
         remotes[1].name.should.eql "origin/master"
         remotes[1].commit.should.be.an.instanceof Commit
@@ -37,18 +37,18 @@ describe "Head", ->
       Head.find_all repo, (err, h) ->
         heads = h
         done err
-    
+
     it "is an Array of Heads", ->
       heads.should.be.an.instanceof Array
       heads[0].should.be.an.instanceof Head
-    
+
     it "contains the branches", ->
       heads.should.have.lengthOf 2
       names = _.map heads, ((b) -> b.name)
-      names.should.include "master"
-      names.should.include "something"
-  
-  
+      names.should.containEql "master"
+      names.should.containEql "something"
+
+
   describe ".current", ->
     repo   = fixtures.branched
     branch = null
@@ -56,9 +56,9 @@ describe "Head", ->
       Head.current repo, (err, b) ->
         branch = b
         done err
-    
+
     it "is a Head", ->
       branch.should.be.an.instanceof Head
-    
+
     it "has the correct name", ->
       branch.name.should.eql "master"
diff --git a/test/repo.test.coffee b/test/repo.test.coffee
index 0dd4925..dccef01 100644
--- a/test/repo.test.coffee
+++ b/test/repo.test.coffee
@@ -224,7 +224,7 @@ describe "Repo", ->
           done err
 
       it "is the latest commit on the tag", ->
-        commits[0].message.should.include "commit 5"
+        commits[0].message.should.containEql "commit 5"
 
     describe "limit the number of commits", ->
       repo    = fixtures.tagged
@@ -246,7 +246,7 @@ describe "Repo", ->
           done err
 
       it "returns 2 commits", ->
-        commits[0].message.should.include "commit 4"
+        commits[0].message.should.containEql "commit 4"
 
     describe "with or without gpg signature", ->
       repo    = fixtures.gpgsigned
@@ -286,8 +286,8 @@ describe "Repo", ->
       it "checks out branch:master", (done) ->
         repo.tree().blobs (err, blobs) ->
           blobs[0].data (err, data) ->
-            data.should.include "Bla"
-            data.should.not.include "Bla2"
+            data.should.containEql "Bla"
+            data.should.not.containEql "Bla2"
             done err
 
     describe "specific branch", ->
@@ -297,7 +297,7 @@ describe "Repo", ->
       it "checks out branch:something", (done) ->
         repo.tree("something").blobs (err, blobs) ->
           blobs[0].data (err, data) ->
-            data.should.include "Bla2"
+            data.should.containEql "Bla2"
             done err
 
 
diff --git a/test/tag.test.coffee b/test/tag.test.coffee
index 98627be..4ef4aa2 100644
--- a/test/tag.test.coffee
+++ b/test/tag.test.coffee
@@ -11,19 +11,19 @@ describe "Tag", ->
       Tag.find_all repo, (err, _tags) ->
         tags = _tags
         done err
-    
+
     it "is an Array of Tags", ->
       tags.should.be.an.instanceof Array
       tags[0].should.be.an.instanceof Tag
-    
+
     pref = "the tag"
     it "#{pref} has the correct name", ->
       tags[0].name.should.eql "tag-1"
-    
+
     it "#{pref} has the correct commit", ->
       tags[0].commit.id.should.eql "32bbb351de16c3e404b3b7c77601c3d124e1e1a1"
-  
-  
+
+
   describe "#message", ->
     repo    = fixtures.tagged
     tags    = null
@@ -35,10 +35,10 @@ describe "Tag", ->
         tags[0].message (err, _message) ->
           message = _message
           done err
-    
+
     it "is the correct message", ->
-      message.should.include "the first tag"
-    
+      message.should.containEql "the first tag"
+
     it "has the correct commit", ->
       tags[0].commit.message.should.eql "commit 5"