diff --git a/aiida_sssp_workflow/version.py b/aiida_sssp_workflow/version.py
index fabac171..dc611c63 100644
--- a/aiida_sssp_workflow/version.py
+++ b/aiida_sssp_workflow/version.py
@@ -3,4 +3,4 @@
 
 """This module contains project version information."""
 
-__version__ = "4.0.0"
+__version__ = "4.0.1"
diff --git a/setup.cfg b/setup.cfg
index a2efdc04..cc76dd56 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = aiida_sssp_workflow
-version = 4.0.0
+version = 4.0.1
 description = Package for the AiiDA SSSP workflow
 long_description = file: README.md
 long_description_content_type = text/markdown
@@ -69,7 +69,7 @@ ignore =
     E203  # Whitespace before ':', preferred formatting for black.
 
 [bumpver]
-current_version = "4.0.0"
+current_version = "4.0.1"
 version_pattern = "MAJOR.MINOR.PATCH[PYTAGNUM]"
 commit_message = "Bump version {old_version} -> {new_version}"
 commit = True