diff --git a/conf.py b/conf.py
index 42a62ad..0e722ac 100644
--- a/conf.py
+++ b/conf.py
@@ -15,7 +15,7 @@
     "2023, Søren Furbo, Samual Burnage, Erik Trygg, Jacob Kofoed, Søren Bertelsen"
 )
 author = "Søren Furbo, Samual Burnage, Erik Trygg, Jacob Kofoed, Søren Bertelsen"
-release = "3.4.0"
+release = "3.4.1"
 
 # -- General configuration ---------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration
diff --git a/pyproject.toml b/pyproject.toml
index a43e8ce..0f5cafb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "Opti_HPLC_Handler"
-version = "3.4.0"
+version = "3.4.1"
 description = "SDK for interacting with the Waters Empower Web API."
 readme = "README.md"
 requires-python = ">=3.9"
@@ -97,7 +97,7 @@ pythonpath = [
 ]
 
 [tool.bumpver]
-current_version = "3.4.0"
+current_version = "3.4.1"
 version_pattern = "MAJOR.MINOR.PATCH"
 commit_message = "bump version {old_version} -> {new_version}"
 tag_message = "{new_version}"
diff --git a/src/OptiHPLCHandler/__init__.py b/src/OptiHPLCHandler/__init__.py
index fff27dd..9ef844c 100644
--- a/src/OptiHPLCHandler/__init__.py
+++ b/src/OptiHPLCHandler/__init__.py
@@ -4,7 +4,7 @@
 from .empower_module_method import EmpowerModuleMethod
 from .utils.data_types import DataField, HPLCSetup, Sample
 
-__version__ = "3.4.0"
+__version__ = "3.4.1"
 
 __all__ = [
     "DataField",