diff --git a/.scrutinizer.yml b/.scrutinizer.yml
index 0b9875f5..17d26821 100644
--- a/.scrutinizer.yml
+++ b/.scrutinizer.yml
@@ -19,5 +19,17 @@ checks:
         fix_doc_comments: true
 tools:
     external_code_coverage:
-        timeout: 1200
-        runs: 2
\ No newline at end of file
+        timeout: 600
+        runs: 3
+    php_code_coverage: false
+    php_code_sniffer:
+        config:
+            standard: PSR2
+        filter:
+            paths: ['src']
+    php_loc:
+        enabled: true
+        excluded_dirs: [test, vendor]
+    php_cpd:
+        enabled: true
+        excluded_dirs: [test, vendor]
\ No newline at end of file
diff --git a/.travis.yml b/.travis.yml
index 31f8d6be..57a217e0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,30 +5,26 @@ sudo: false
 matrix:
   include:
     - php: 5.5
-      env:
-        - COLLECT_COVERAGE=true
+      env: COLLECT_COVERAGE=true
     - php: 5.6
-      env:
-        - COLLECT_COVERAGE=true
-        - EXECUTE_CS_CHECK=true
+      env: COLLECT_COVERAGE=true
     - php: 7.0
+      env: COLLECT_COVERAGE=true
     - php: hhvm
-  allow_failures:
-    - php: 7.0
-  fast_finish: true
 
 cache:
   directories:
     - $HOME/.composer/cache
 
+before_install:
+  - composer self-update
+  - composer validate
+
 install:
   - travis_retry composer install --prefer-dist
 
 script:
-  - if [ "$COLLECT_COVERAGE" != "true" ]; then phpunit; fi
-  - if [ "$COLLECT_COVERAGE" == "true" ]; then phpunit --coverage-text --coverage-clover=coverage.clover; fi
-  - if [ "$EXECUTE_CS_CHECK" == "true" ]; then vendor/bin/php-cs-fixer fix -v --diff --dry-run; fi
+  - composer test
 
 after_script:
- - if [ "$COLLECT_COVERAGE" == "true" ]; then wget https://scrutinizer-ci.com/ocular.phar; fi
- - if [ "$COLLECT_COVERAGE" == "true" ]; then php ocular.phar code-coverage:upload --format=php-clover coverage.clover; fi
+ - if [ "$COLLECT_COVERAGE" == "true" ]; then wget https://scrutinizer-ci.com/ocular.phar; && php ocular.phar code-coverage:upload --format=php-clover build/logs/clover.xml; fi
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 50529be3..a2b33284 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,24 @@
 
 All Notable changes to `League\Period` will be documented in this file
 
+## 3.0.1 - 2015-12-21
+
+### Added
+
+- None
+
+### Fixed
+
+- `Period::contains` see [issue #28](https://github.com/thephpleague/period/pull/28)
+
+### Deprecated
+
+- None
+
+### Removed
+
+- None
+
 ## 3.0.0 - 2015-09-02
 
 ### Added
diff --git a/composer.json b/composer.json
index 1f6b84cd..f1ba9feb 100644
--- a/composer.json
+++ b/composer.json
@@ -35,7 +35,7 @@
         }
     },
     "scripts": {
-        "test": "vendor/bin/phpunit; vendor/bin/php-cs-fixer fix -v --diff --dry-run;"
+        "test": "phpunit --coverage-text; php-cs-fixer fix -v --diff --dry-run;"
     },
     "extra": {
         "branch-alias": {
diff --git a/src/Period.php b/src/Period.php
index 21e78b98..b041fdcc 100644
--- a/src/Period.php
+++ b/src/Period.php
@@ -444,7 +444,8 @@ public function isBefore($index)
     public function contains($index)
     {
         if ($index instanceof Period) {
-            return $this->contains($index->getStartDate()) && $this->contains($index->getEndDate());
+            return $this->contains($index->getStartDate())
+                && ($this->contains($index->getEndDate()) || $index->getEndDate() == $this->getEndDate());
         }
 
         $datetime = static::filterDatePoint($index);
diff --git a/test/PeriodTest.php b/test/PeriodTest.php
index 1df104e3..a40ca387 100644
--- a/test/PeriodTest.php
+++ b/test/PeriodTest.php
@@ -543,6 +543,11 @@ public function provideContainsData()
                 Period::createFromSemester(2014, 1),
                 false,
             ],
+            'testContainsReturnsTrueWithPeriodObjectWhichShareTheSameEndDate' => [
+                Period::createFromYear(2015),
+                Period::createFromMonth(2015, 12),
+                true,
+            ],
         ];
     }