diff --git a/.gitignore b/.gitignore
index 06c6afe..9cb9f59 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /.gs
+/Gemfile.lock
diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..a642ae0
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,3 @@
+language: ruby
+rvm:
+  - 2.2.1
diff --git a/Gemfile b/Gemfile
new file mode 100644
index 0000000..b4e2a20
--- /dev/null
+++ b/Gemfile
@@ -0,0 +1,3 @@
+source "https://rubygems.org"
+
+gemspec
diff --git a/README.md b/README.md
index ae59ce0..a6434e2 100644
--- a/README.md
+++ b/README.md
@@ -12,11 +12,11 @@ Usage
 
     Array.new(100) do
       Thread.new do
-        $redis.call("GET", "foo")
+        $redis.call!("GET", "foo")
       end
     end.each(&:join)
 
-    $redis.call("INFO", "clients")[/connected_clients:(\d+)/, 1]
+    $redis.call!("INFO", "clients")[/connected_clients:(\d+)/, 1]
     # => "10"
 
 With Ohm
diff --git a/lib/redic/pool.rb b/lib/redic/pool.rb
index 4acf428..25f83a3 100644
--- a/lib/redic/pool.rb
+++ b/lib/redic/pool.rb
@@ -2,8 +2,6 @@
 require "redic"
 
 class Redic::Pool
-  VERSION = "1.0.1"
-
   attr :url
   attr :pool
 
@@ -19,6 +17,7 @@ def call(*args)
       client.call(*args)
     end
   end
+  alias_method :call!, :call
 
   def queue(*args)
     Thread.current[@id] || (Thread.current[@id] = [])
diff --git a/lib/redic/version.rb b/lib/redic/version.rb
new file mode 100644
index 0000000..d98f12d
--- /dev/null
+++ b/lib/redic/version.rb
@@ -0,0 +1,6 @@
+class Redic
+  class Pool
+    # Current gem version
+    VERSION = "1.0.1"
+  end
+end
diff --git a/redic-pool.gemspec b/redic-pool.gemspec
index 4f700d8..4173c77 100644
--- a/redic-pool.gemspec
+++ b/redic-pool.gemspec
@@ -1,7 +1,8 @@
-require "./lib/redic/pool"
+require "./lib/redic/version"
 
 Gem::Specification.new do |s|
   s.name = "redic-pool"
+  s.description = "A Redis connection pool using Redic"
 
   s.version = Redic::Pool::VERSION
 
@@ -19,8 +20,10 @@ Gem::Specification.new do |s|
   s.test_files    = `git ls-files -- test/*`.split("\n")
   s.executables   = `git ls-files -- bin/*`.split("\n").map { |f| File.basename(f) }
 
-  s.add_dependency("connection_pool")
-  s.add_dependency("redic")
+  s.add_runtime_dependency 'redic', '~> 1.5', '>= 1.5.0'
+  s.add_runtime_dependency 'connection_pool', '~> 2.2', '>= 2.2.0'
 
-  s.add_development_dependency("cutest")
+  s.add_development_dependency 'rake', '~> 10.4', '>= 10.4.2'
+  s.add_development_dependency 'cutest', '~> 1.2', '>= 1.2.2'
+  s.add_development_dependency 'ohm', '~> 2.3', '>= 2.3.0'
 end
diff --git a/test/ohm_test.rb b/test/ohm_test.rb
index 19082de..97b1e06 100644
--- a/test/ohm_test.rb
+++ b/test/ohm_test.rb
@@ -26,7 +26,7 @@ class Comment < Ohm::Model
 
   threads.each(&:join)
 
-  clients = Parsers.info(Ohm.redis.call("INFO", "clients")).fetch("connected_clients")
+  clients = Parsers.info(Ohm.redis.call!("INFO", "clients")).fetch("connected_clients")
 
   assert_equal(clients, "10")
 
@@ -45,7 +45,7 @@ class Comment < Ohm::Model
 
   threads.each(&:join)
 
-  clients = Parsers.info(Ohm.redis.call("INFO", "clients")).fetch("connected_clients")
+  clients = Parsers.info(Ohm.redis.call!("INFO", "clients")).fetch("connected_clients")
 
   assert_equal(clients, "10")
 end
diff --git a/test/pool_test.rb b/test/pool_test.rb
index 7398f0d..b1a0d94 100644
--- a/test/pool_test.rb
+++ b/test/pool_test.rb
@@ -8,14 +8,14 @@
   threads = Array.new(100) do
     Thread.new do
       10.times do
-        r.call("GET", "foo")
+        r.call!("GET", "foo")
       end
     end
   end
 
   threads.each(&:join)
 
-  clients = Parsers.info(r.call("INFO", "clients")).fetch("connected_clients")
+  clients = Parsers.info(r.call!("INFO", "clients")).fetch("connected_clients")
 
   assert_equal(clients, "10")
 
@@ -23,9 +23,9 @@
 end
 
 test "MULTI return value with WATCH" do |r|
-  r.call("DEL", "foo")
+  r.call!("DEL", "foo")
 
-  r.call("WATCH", "foo", "bar")
+  r.call!("WATCH", "foo", "bar")
 
   r.queue("MULTI")
   r.queue("SET", "foo", "bar")
@@ -33,17 +33,17 @@
 
   assert_equal(r.commit.last, ["OK"])
 
-  assert_equal(r.call("GET", "foo"), "bar")
+  assert_equal(r.call!("GET", "foo"), "bar")
 
   teardown(r)
 end
 
 test "Pipelining" do |r|
-  r.call("DEL", "foo")
+  r.call!("DEL", "foo")
 
   r.queue("SET", "foo", "bar")
 
-  assert_equal nil, r.call("GET", "foo")
+  assert_equal nil, r.call!("GET", "foo")
 
   teardown(r)
 end
@@ -52,9 +52,9 @@
   threads = Array.new(100) do
     Thread.new do
       10.times do
-        r.call("SET", "foo", "bar")
+        r.call!("SET", "foo", "bar")
 
-        r.call("DEL", "foo")
+        r.call!("DEL", "foo")
       end
     end
   end
@@ -71,10 +71,10 @@
 
   threads.each(&:join)
 
-  clients = Parsers.info(r.call("INFO", "clients")).fetch("connected_clients")
+  clients = Parsers.info(r.call!("INFO", "clients")).fetch("connected_clients")
 
   assert_equal(clients, "10")
-  assert_equal(r.call("GET", "foo"), nil)
+  assert_equal(r.call!("GET", "foo"), nil)
 
   teardown(r)
 end
diff --git a/test/prelude.rb b/test/prelude.rb
index 19cacf0..9b144ec 100644
--- a/test/prelude.rb
+++ b/test/prelude.rb
@@ -23,5 +23,5 @@ def self.info(reply)
 sleep(0.5)
 
 def teardown(r)
-  r.pool.shutdown { |c| c.call("QUIT") }
+  r.pool.shutdown { |c| c.call!("QUIT") }
 end