diff --git a/composer.json b/composer.json
index 8de9e9eb..40aada7d 100644
--- a/composer.json
+++ b/composer.json
@@ -27,19 +27,19 @@
         "ext-mcrypt": "*",
         "ext-pdo": "*",
         "ext-pdo_mysql": "*",
-        "block8/b8framework"       : "1.*",
-        "ircmaxell/password-compat": "1.*",
-        "swiftmailer/swiftmailer"  : "5.0.*",
-        "symfony/yaml"             : "2.*",
-        "symfony/console"          : "2.*",
-        "psr/log": "1.0.0",
-        "monolog/monolog": "1.6.0",
-        "pimple/pimple": "1.1.*"
+        "block8/b8framework"       : "~1.1",
+        "ircmaxell/password-compat": "~1.0",
+        "swiftmailer/swiftmailer"  : "~5.0",
+        "symfony/yaml"             : "~2.1",
+        "symfony/console"          : "~2.1",
+        "psr/log": "~1.0",
+        "monolog/monolog": "~1.6",
+        "pimple/pimple": "~1.1"
     },
 
     "require-dev": {
-        "phpunit/phpunit": "3.7.*",
-        "phpspec/prophecy-phpunit": "1.*"
+        "phpunit/phpunit": "~3.7",
+        "phpspec/prophecy-phpunit": "~1.0"
     },
 
     "suggest": {