diff --git a/setup.py b/setup.py
index 946654fa060..ab3de7a6d9f 100755
--- a/setup.py
+++ b/setup.py
@@ -6,7 +6,7 @@
 
 # Version number typically updated by running `invoke set-version <version>`.
 # Run `invoke --help set-version` or see tasks.py for details.
-VERSION = "7.3.2"
+VERSION = "7.3.3.dev1"
 with open(join(dirname(abspath(__file__)), "README.rst")) as f:
     LONG_DESCRIPTION = f.read()
     base_url = "https://github.com/robotframework/robotframework/blob/master"
diff --git a/src/robot/version.py b/src/robot/version.py
index d5005bfcec7..90a9ecc42f5 100644
--- a/src/robot/version.py
+++ b/src/robot/version.py
@@ -18,7 +18,7 @@
 
 # Version number typically updated by running `invoke set-version <version>`.
 # Run `invoke --help set-version` or see tasks.py for details.
-VERSION = "7.3.2"
+VERSION = "7.3.3.dev1"
 
 
 def get_version(naked=False):