diff --git a/CHANGELOG b/CHANGELOG
index 30fae1b0..0b176876 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,12 @@
+Version 2.4.1
+03-06-2015
+
+[Feature] - Added option to upgrade only the distribution packages installed.
+
+[Updated] - Fixed upgrade packages.
+          - Fixed checksum on/off.
+
+
 Version 2.4.0
 02-06-2015
 
diff --git a/conf/slpkg.conf b/conf/slpkg.conf
index 69c2a0fe..b7fc1e8a 100644
--- a/conf/slpkg.conf
+++ b/conf/slpkg.conf
@@ -81,3 +81,8 @@ WGET_OPTIONS=-c -N
 # Automatically synchronizes the command 'slackpkg update' with 
 # 'slpkg -c slack --upgrade'.
 SLACKPKG_LOG=on
+
+# This option applies only to the distribution upgrade and repository 
+# slack. If you want to update only packages that are installed
+# choose 'on'. Default is 'off'.
+ONLY_INSTALLED=off
diff --git a/slpkg/__metadata__.py b/slpkg/__metadata__.py
index 374cd30e..bca1b2cf 100644
--- a/slpkg/__metadata__.py
+++ b/slpkg/__metadata__.py
@@ -125,7 +125,8 @@ class MetaData(object):
         'DEL_DEPS': 'off',
         'USE_COLORS': 'on',
         'WGET_OPTIONS': '-c -N',
-        'SLACKPKG_LOG': 'on'
+        'SLACKPKG_LOG': 'on',
+        'ONLY_INSTALLED': 'off'
     }
 
     default_repositories = ['slack', 'sbo', 'rlw', 'alien', 'slacky', 'studio',
@@ -162,6 +163,7 @@ class MetaData(object):
     use_colors = _conf_slpkg['USE_COLORS']
     wget_options = _conf_slpkg['WGET_OPTIONS']
     slackpkg_log = _conf_slpkg['SLACKPKG_LOG']
+    only_installed = _conf_slpkg['ONLY_INSTALLED']
 
     # Remove any gaps
     repositories = [repo.strip() for repo in repositories]
diff --git a/slpkg/config.py b/slpkg/config.py
index 856c8d56..aa68e9ed 100644
--- a/slpkg/config.py
+++ b/slpkg/config.py
@@ -54,7 +54,8 @@ class Config(object):
             'DEL_DEPS',
             'USE_COLORS',
             'WGET_OPTIONS',
-            'SLACKPKG_LOG'
+            'SLACKPKG_LOG',
+            'ONLY_INSTALLED'
         ]
         read_conf = Utils().read_file(self.config_file)
         for line in read_conf.splitlines():
diff --git a/slpkg/main.py b/slpkg/main.py
index fa075278..f1530701 100644
--- a/slpkg/main.py
+++ b/slpkg/main.py
@@ -193,7 +193,11 @@ class ArgParse(object):
                 BinaryInstall(pkg_upgrade(self.args[1], skip),
                               self.args[1]).start(True)
             elif self.args[1] == 'slack':
-                Patches(skip).start()
+                if _m.only_installed in ['on', 'ON']:
+                    BinaryInstall(pkg_upgrade('slack', skip),
+                                  'slack').start(True)
+                else:
+                    Patches(skip).start()
             elif self.args[1] == 'sbo':
                 SBoInstall(sbo_upgrade(skip)).start(True)
             else: