diff --git a/CHANGELOG.md b/CHANGELOG.md
index b2a55ce..b57f8aa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,20 @@
+# Release 0.28.0-dev
+
+### New features since last release
+
+### Breaking changes
+
+### Improvements
+
+### Documentation
+
+### Bug fixes
+
+### Contributors
+
+This release contains contributions from (in alphabetical order):
+
+---
 # Release 0.27.0
 
 ### New features since last release
diff --git a/pennylane_cirq/_version.py b/pennylane_cirq/_version.py
index 2a7dd54..3f84c49 100644
--- a/pennylane_cirq/_version.py
+++ b/pennylane_cirq/_version.py
@@ -16,4 +16,4 @@
    Version number (major.minor.patch[-label])
 """
 
-__version__ = "0.27.0"
+__version__ = "0.28.0-dev"