diff --git a/aiidalab_widgets_base/__init__.py b/aiidalab_widgets_base/__init__.py
index 98d3eabe1..c801fe5b8 100644
--- a/aiidalab_widgets_base/__init__.py
+++ b/aiidalab_widgets_base/__init__.py
@@ -85,4 +85,4 @@
     "viewer",
 ]
 
-__version__ = "1.3.3"
+__version__ = "1.3.4"
diff --git a/setup.cfg b/setup.cfg
index 145e55219..b53f162da 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -67,7 +67,7 @@ exclude =
     docs/
 
 [bumpver]
-current_version = "v1.3.3"
+current_version = "v1.3.4"
 version_pattern = "vMAJOR.MINOR.PATCH[PYTAGNUM]"
 commit_message = "Bump version {old_version} -> {new_version}"
 commit = True