diff --git a/docs/source/release_notes.rst b/docs/source/release_notes.rst
index 90ad2f6ca..62aae0a7c 100644
--- a/docs/source/release_notes.rst
+++ b/docs/source/release_notes.rst
@@ -20,6 +20,30 @@ Releases
 ========
 
 
+Version 1.7.3-dev1
+------------------
+
+Released: not yet
+
+Availability: `AutomationHub`_, `Galaxy`_, `GitHub`_
+
+**Incompatible changes:**
+
+**Deprecations:**
+
+**Bug fixes:**
+
+**Enhancements:**
+
+**Cleanup:**
+
+**Known issues:**
+
+* See `list of open issues`_.
+
+.. _`list of open issues`: https://github.com/zhmcclient/zhmc-ansible-modules/issues
+
+
 Version 1.7.2
 -------------
 
diff --git a/galaxy.yml b/galaxy.yml
index 3e5c6092d..9f6f7b3fb 100644
--- a/galaxy.yml
+++ b/galaxy.yml
@@ -2,7 +2,7 @@ namespace: ibm
 
 name: ibm_zhmc
 
-version: 1.7.2
+version: 1.7.3-dev1
 
 readme: README.md