diff --git a/README.md b/README.md
index 010e04f..deebe20 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@ sudo yum install gcc krb5-devel
 * `playbook` - Action to run [Ansible Playbook](http://docs.ansible.com/playbooks.html) (`ansible-playbook` executable).
 * `vault.encrypt` - Encrypt ansible data files (playbooks, vars, roles, etc) with password (`ansible-vault` executable).
 * `vault.decrypt` - Decrypt ansible data files (playbooks, vars, roles, etc) with password (`ansible-vault` executable).
-* `galaxy.install` - Install role from [Ansible Galaxy](http://docs.ansible.com/galaxy.html) - hub of [community developed roles](https://galaxy.ansible.com/) (`ansible-galaxy`).
+* `galaxy.install` - Install role or collection from [Ansible Galaxy](http://docs.ansible.com/galaxy.html) - hub of [community developed roles](https://galaxy.ansible.com/) (`ansible-galaxy`).
 * `galaxy.list` - List installed from Ansible Galaxy roles (`ansible-galaxy` executable).
 * `galaxy.remove` - Remove the role installed from Ansible Galaxy (`ansible-galaxy` executable).
 
@@ -69,10 +69,16 @@ st2 run ansible.vault.decrypt cwd=/etc/ansible vault_password_file=vault.txt fil
 #### `ansible.galaxy` examples
 ```sh
 # download many roles
-st2 run ansible.galaxy.install roles='bennojoy.mysql kosssi.composer'
+st2 run ansible.galaxy.install type=role roles='bennojoy.mysql kosssi.composer'
 
-# list rolex
-st2 run ansible.galaxy.list roles_path=/etc/ansible/roles
+# list roles
+st2 run ansible.galaxy.list type=role roles_path=/etc/ansible/roles
+
+# download many collections
+st2 run ansible.galaxy.install type=collection collections='microsoft.ad ansible.rabittmq'
+
+# list collections
+st2 run ansible.galaxy.list type=collection
 ```
 
 ## Tips & Tricks
diff --git a/actions/ansible_galaxy.py b/actions/ansible_galaxy.py
index 17c403a..8eb798c 100755
--- a/actions/ansible_galaxy.py
+++ b/actions/ansible_galaxy.py
@@ -19,10 +19,17 @@ class AnsibleGalaxyRunner(AnsibleBaseRunner):
         '--ignore_errors': '--ignore-errors',
         '--no_deps': '--no-deps',
         '--role_file': '--role-file',
+        '--collection_file': '-r',
+        '--collection_path': '--collection-path',
     }
 
     def __init__(self, *args, **kwargs):
-        super(AnsibleGalaxyRunner, self).__init__(*args, **kwargs)
+        tmpArgs = []
+        for arg in args[0]:
+            for item in arg.split(' '):
+                if item != "":
+                    tmpArgs.append(item)
+        super(AnsibleGalaxyRunner, self).__init__(tmpArgs, **kwargs)
 
 
 if __name__ == '__main__':
diff --git a/actions/galaxy.install.yaml b/actions/galaxy.install.yaml
index cdffbbb..0769beb 100644
--- a/actions/galaxy.install.yaml
+++ b/actions/galaxy.install.yaml
@@ -22,16 +22,29 @@ parameters:
     description: "Action timeout in seconds. Action will get killed if it doesn't finish in timeout seconds"
     type: integer
     default: 300
+  type:
+    description: "Install role(s) or collection(s)?"
+    type: string
+    enum:
+      - collection
+      - role
+    position: 0
+    default: role
   action:
     description: "Action to use"
     type: string
-    position: 0
+    position: 1
     default: install
     immutable: true
   roles:
     description: "Role(s) to install (separated by space)"
     type: string
-    position: 1
+    position: 2
+    default: ""
+  collections:
+    description: "Collection(s) to install (separated by space)"
+    type: string
+    position: 3
     default: ""
   ignore_errors:
     description: "Ignore errors and continue with the next specified role [-i]"
@@ -39,6 +52,12 @@ parameters:
   no_deps:
     description: "Don't download roles listed as dependencies [-n]"
     type: boolean
+  collection_file:
+    description: "A file with list of collections to be installed. Note that role file can contain links to .git or .tar file [-r]"
+    type: string
+  collections_path:
+    description: "The path to the directory containing your collections. The default is the collections_path configured in your ansible.cfg file (/etc/ansible/collections if not configured) [-p]"
+    type: string
   role_file:
     description: "A file with list of roles to be installed. Note that role file can contain links to .git or .tar file [-r]"
     type: string
diff --git a/actions/lib/ansible_base.py b/actions/lib/ansible_base.py
index e56006e..de0e9e7 100644
--- a/actions/lib/ansible_base.py
+++ b/actions/lib/ansible_base.py
@@ -25,9 +25,22 @@ def __init__(self, args):
         :type args: ``list``
         """
         self.args = args[1:]
+        self._parse_args() # move args starting with -- to the end of the command line
         self._parse_extra_vars()  # handle multiple entries in --extra_vars arg
         self._prepend_venv_path()
 
+    def _parse_args(self):
+        """
+        This method moves the args starting with -- to the end of the command line
+        It also deletes any empty args
+        """
+        for i, arg in enumerate(self.args):
+            if arg.startswith("--"):
+                self.args.append(self.args[i]) # move to the end
+                del self.args[i] # delete original arg
+            elif arg == "":
+                del self.args[i] # delete the arg as it's empty
+
     def _parse_extra_vars(self):
         """
         This method turns the string list ("--extra_vars=[...]") passed in from the args