diff --git a/.travis.yml b/.travis.yml
index da40526..ed920c3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,8 @@ php: [5.3,5.4,5.5,5.6]
 env:
   - SF_VERSION='~2.3.0,>=2.3.19'
   - SF_VERSION='~2.4.0,>=2.4.9'
-  - SF_VERSION='~2.5.0,>=2.5.3,<=2.5.4'
+  - SF_VERSION='~2.5.0,>=2.5.3'
+  - SF_VERSION='~2.6.0,>=2.6.2'
 
 before_script:
   - export WEB_FIXTURES_HOST=http://localhost/index.php
diff --git a/Resources/public/js/constraints/False.js b/Resources/public/js/constraints/False.js
index cd54e9a..ad84b61 100644
--- a/Resources/public/js/constraints/False.js
+++ b/Resources/public/js/constraints/False.js
@@ -4,15 +4,4 @@
  * @constructor
  * @author dev.ymalcev@gmail.com
  */
-function SymfonyComponentValidatorConstraintsFalse() {
-    this.message = '';
-
-    this.validate = function (value) {
-        var errors = [];
-        if ('' !== value && false !== value) {
-            errors.push(this.message.replace('{{ value }}', FpJsBaseConstraint.formatValue(value)));
-        }
-
-        return errors;
-    }
-}
+var SymfonyComponentValidatorConstraintsFalse = SymfonyComponentValidatorConstraintsIsFalse;
diff --git a/Resources/public/js/constraints/IsFalse.js b/Resources/public/js/constraints/IsFalse.js
new file mode 100644
index 0000000..512f493
--- /dev/null
+++ b/Resources/public/js/constraints/IsFalse.js
@@ -0,0 +1,18 @@
+//noinspection JSUnusedGlobalSymbols
+/**
+ * Checks if value is (bool) false
+ * @constructor
+ * @author dev.ymalcev@gmail.com
+ */
+function SymfonyComponentValidatorConstraintsIsFalse() {
+    this.message = '';
+
+    this.validate = function (value) {
+        var errors = [];
+        if ('' !== value && false !== value) {
+            errors.push(this.message.replace('{{ value }}', FpJsBaseConstraint.formatValue(value)));
+        }
+
+        return errors;
+    }
+}
diff --git a/Resources/public/js/constraints/IsNull.js b/Resources/public/js/constraints/IsNull.js
new file mode 100644
index 0000000..c630ecb
--- /dev/null
+++ b/Resources/public/js/constraints/IsNull.js
@@ -0,0 +1,18 @@
+//noinspection JSUnusedGlobalSymbols
+/**
+ * Checks if value is null
+ * @constructor
+ * @author dev.ymalcev@gmail.com
+ */
+function SymfonyComponentValidatorConstraintsIsNull() {
+    this.message = '';
+
+    this.validate = function(value) {
+        var errors = [];
+        if (null !== value) {
+            errors.push(this.message.replace('{{ value }}', FpJsBaseConstraint.formatValue(value)));
+        }
+
+        return errors;
+    }
+}
diff --git a/Resources/public/js/constraints/IsTrue.js b/Resources/public/js/constraints/IsTrue.js
new file mode 100644
index 0000000..322db60
--- /dev/null
+++ b/Resources/public/js/constraints/IsTrue.js
@@ -0,0 +1,23 @@
+//noinspection JSUnusedGlobalSymbols
+/**
+ * Checks if value is (bool) true
+ * @constructor
+ * @author dev.ymalcev@gmail.com
+ */
+function SymfonyComponentValidatorConstraintsIsTrue() {
+    this.message = '';
+
+    this.validate = function(value) {
+        if ('' === value) {
+            return [];
+        }
+
+        var errors = [];
+        if (true !== value) {
+            errors.push(this.message.replace('{{ value }}', FpJsBaseConstraint.formatValue(value)));
+        }
+
+        return errors;
+    }
+}
+
diff --git a/Resources/public/js/constraints/Null.js b/Resources/public/js/constraints/Null.js
index b1113be..8e3bce0 100644
--- a/Resources/public/js/constraints/Null.js
+++ b/Resources/public/js/constraints/Null.js
@@ -4,15 +4,4 @@
  * @constructor
  * @author dev.ymalcev@gmail.com
  */
-function SymfonyComponentValidatorConstraintsNull() {
-    this.message = '';
-
-    this.validate = function(value) {
-        var errors = [];
-        if (null !== value) {
-            errors.push(this.message.replace('{{ value }}', FpJsBaseConstraint.formatValue(value)));
-        }
-
-        return errors;
-    }
-}
+var SymfonyComponentValidatorConstraintsNull = SymfonyComponentValidatorConstraintsIsNull;
diff --git a/Resources/public/js/constraints/True.js b/Resources/public/js/constraints/True.js
index 2441ce8..dd8ad53 100644
--- a/Resources/public/js/constraints/True.js
+++ b/Resources/public/js/constraints/True.js
@@ -4,20 +4,4 @@
  * @constructor
  * @author dev.ymalcev@gmail.com
  */
-function SymfonyComponentValidatorConstraintsTrue() {
-    this.message = '';
-
-    this.validate = function(value) {
-        if ('' === value) {
-            return [];
-        }
-
-        var errors = [];
-        if (true !== value) {
-            errors.push(this.message.replace('{{ value }}', FpJsBaseConstraint.formatValue(value)));
-        }
-
-        return errors;
-    }
-}
-
+var SymfonyComponentValidatorConstraintsTrue = SymfonyComponentValidatorConstraintsIsTrue;
diff --git a/Tests/BaseMinkTestCase.php b/Tests/BaseMinkTestCase.php
index a0e7345..b3ffe92 100644
--- a/Tests/BaseMinkTestCase.php
+++ b/Tests/BaseMinkTestCase.php
@@ -139,12 +139,9 @@ protected function makeScreenshot()
         }
 
         try {
-            $name = date('Y-m-d_H:i:s') . '.png';
-            file_put_contents(
-                '/tmp/' . $name,
-                $this->session->getScreenshot()
-            );
-            $imageUrl = $this->getUploader()->upload('/tmp/' . $name);
+            $path = sprintf('%s/%s.png', sys_get_temp_dir(), date('Y-m-d_H-i-s'));
+            file_put_contents($path, $this->session->getScreenshot());
+            $imageUrl = $this->getUploader()->upload($path);
         } catch (\Exception $e) {
             $imageUrl = $e->getMessage();
         }
diff --git a/Tests/TestBundles/DefaultTestBundle/Entity/BasicConstraintsEntity.php b/Tests/TestBundles/DefaultTestBundle/Entity/BasicConstraintsEntity.php
index 37313f5..729efbb 100644
--- a/Tests/TestBundles/DefaultTestBundle/Entity/BasicConstraintsEntity.php
+++ b/Tests/TestBundles/DefaultTestBundle/Entity/BasicConstraintsEntity.php
@@ -711,7 +711,7 @@ public function isValidSingleChoice()
      */
     public function isValidMultipleChoice()
     {
-        return $this->_t_get(array('June', 'July'), array('June', 'May', 'September'));
+        return $this->_t_get(array('June', 'July'), array('June', 'May'));
     }
 
     /**
diff --git a/Tests/TestBundles/DefaultTestBundle/Resources/views/FunctionalTests/index.html.twig b/Tests/TestBundles/DefaultTestBundle/Resources/views/FunctionalTests/index.html.twig
index 5bc0b3e..c1dcc05 100644
--- a/Tests/TestBundles/DefaultTestBundle/Resources/views/FunctionalTests/index.html.twig
+++ b/Tests/TestBundles/DefaultTestBundle/Resources/views/FunctionalTests/index.html.twig
@@ -74,7 +74,7 @@
                     'isTypeScalar':           function() { return _t.get(1, [1,2,3]); },
                     'isTypeString':           function() { return _t.get('1', 1); },
                     'isValidSingleChoice':    function() { return _t.get('male', 'wrong_choice'); },
-                    'isValidMultipleChoice':  function() { return _t.get(['June', 'July'], ['June', 'May', 'September']); },
+                    'isValidMultipleChoice':  function() { return _t.get(['June', 'July'], ['June', 'May']); },
                     'isMinMultipleChoice':    function() { return _t.get(['June', 'July'], ['June']); },
                     'isMaxMultipleChoice':    function() { return _t.get(['June'], ['June', 'July']); },
 
diff --git a/Tests/app/Resources/BasicConstraintsEntity_sf_2_3.php b/Tests/app/Resources/BasicConstraintsEntity_sf_2_3.php
index 24905d7..4e096d1 100644
--- a/Tests/app/Resources/BasicConstraintsEntity_sf_2_3.php
+++ b/Tests/app/Resources/BasicConstraintsEntity_sf_2_3.php
@@ -712,7 +712,7 @@ public function isValidSingleChoice()
      */
     public function isValidMultipleChoice()
     {
-        return $this->_t_get(array('June', 'July'), array('June', 'May', 'September'));
+        return $this->_t_get(array('June', 'July'), array('June', 'May'));
     }
 
     /**
diff --git a/composer.json b/composer.json
index 6892948..feeee2d 100644
--- a/composer.json
+++ b/composer.json
@@ -19,15 +19,15 @@
 
     "require": {
         "php": ">=5.3.2",
-        "symfony/form": ">=2.3,<=2.5.4",
-        "symfony/validator": "~2.3.0,>=2.3.19||~2.4.0,>=2.4.9||~2.5.0,>=2.5.3,<=2.5.4",
-        "symfony/symfony": "~2.3.0,>=2.3.19"
+        "symfony/form": ">=2.3,<2.7",
+        "symfony/validator": "~2.3.0,>=2.3.19||~2.4.0,>=2.4.9||>=2.5.3,<2.7",
+        "symfony/symfony": "~2.3.0,>=2.3.19||^2.4,<2.6||~2.6.2"
     },
 
     "require-dev": {
         "doctrine/orm": ">=2.2.3",
         "doctrine/doctrine-bundle": "~1.2",
-        "symfony/assetic-bundle": ">=2.3,<=2.5.4",
+        "symfony/assetic-bundle": "^2.3",
         "phpunit/phpunit": "3.7.*",
         "behat/mink-bundle": "dev-master",
         "behat/mink-selenium2-driver": "1.1.0",
@@ -51,7 +51,7 @@
 
     "extra": {
         "branch-alias": {
-            "dev-master": "1.1-dev"
+            "dev-master": "1.2-dev"
         }
     }
 }