diff --git a/README.md b/README.md
index 3768f4a..76a1be3 100644
--- a/README.md
+++ b/README.md
@@ -23,6 +23,12 @@ This is a work in progress, and is mostly a means for me to document my current
 
 > Note: If some Homebrew commands fail, you might need to agree to Xcode's license or fix some other Brew issue. Run `brew doctor` to see if this is the case.
 
+### Running a specific set of tagged tasks
+
+You can filter which part of the provisioning process to run by specifying a set of tags using `ansible-playbook`'s `--tags` flag. The tags available are `dotfiles`, `homebrew`, `mas` and `osx`.
+
+    ansible-playook main.yml -i inventory -K --tags "dotfiles,homebrew"
+
 ## Overriding Defaults
 
 Not everyone's development environment and preferred software configuration is the same.
diff --git a/main.yml b/main.yml
index 6986392..1998870 100644
--- a/main.yml
+++ b/main.yml
@@ -9,12 +9,16 @@
     - include_vars: "{{ item }}"
       with_fileglob:
         - ../config.yml
+      tags: ['always']
 
   roles:
-    - geerlingguy.homebrew
-    - geerlingguy.dotfiles
-    - name: geerlingguy.mas
+    - role: geerlingguy.homebrew
+      tags: ['homebrew']
+    - role: geerlingguy.dotfiles
+      tags: ['dotfiles']
+    - role: geerlingguy.mas
       when: mas_installed_apps
+      tags: ['mas']
 
   tasks:
     - include: tasks/ansible-setup.yml
@@ -27,6 +31,7 @@
 
     - include: tasks/osx.yml
       when: configure_osx
+      tags: ['osx']
 
     - name: Run configured post-provision ansible task files.
       include: "{{ outer_item }}"