pdd.gemspec in pdd-0.3 vs pdd.gemspec in pdd-0.4

@@ -19,18 +19,22 @@
 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
+lib = File.expand_path('../lib', __FILE__)
+$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
+require 'pdd/version'
+
 Gem::Specification.new do |s|
   s.specification_version = 2 if s.respond_to? :specification_version=
   if s.respond_to? :required_rubygems_version=
     s.required_rubygems_version = Gem::Requirement.new('>= 0')
   end
   s.rubygems_version = '2.2.2'
   s.required_ruby_version = '>= 1.9.3'
   s.name = 'pdd'
-  s.version = '0.3'
+  s.version = PDD::VERSION
   s.license = 'MIT'
   s.summary = 'Puzzle Driven Development collector'
   s.description = 'Collects puzzles from source code base'
   s.authors = ['Yegor Bugayenko']
   s.email = '[e-mail]'