diff --git a/README.md b/README.md
index 629b87f..68654f9 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@
 
 **Requires at least:** 5.1.1  
 **Tested up to:** 5.1.1  
-**Stable tag:** 1.6.1  
+**Stable tag:** 1.7.0-dev  
 **License:** GNU General Public License v3 or later  
 **License URI:** LICENSE  
 
diff --git a/readme.txt b/readme.txt
index 630e4ee..64437b1 100644
--- a/readme.txt
+++ b/readme.txt
@@ -16,7 +16,7 @@ Tags: publishing, catalog, pressbooks, default-theme
 
 Requires at least: 5.1.1
 Tested up to: 5.1.1
-Stable tag: 1.6.1
+Stable tag: 1.7.0-dev
 License: GNU General Public License v3 or later
 License URI: LICENSE
 
diff --git a/style.css b/style.css
index d4e05af..54d7c71 100644
--- a/style.css
+++ b/style.css
@@ -2,7 +2,7 @@
 Theme Name:         Aldine
 Theme URI:          https://github.com/pressbooks/pressbooks-aldine/
 Description:        Aldine is the default theme for the home page of Pressbooks networks. It is named for the Aldine Press, founded by Aldus Manutius in 1494, who is regarded by many as the world’s first publisher.
-Version:            1.6.1
+Version:            1.7.0-dev
 Author:             Pressbooks (Book Oven Inc.)
 Author URI:         https://pressbooks.org
 Text Domain:        pressbooks-aldine