diff --git a/core_tools/__init__.py b/core_tools/__init__.py
index dc05433efaac8257bdc27f21038b30adba830a8d..11593234d6b925b22c01598a59983d086f8d2472 100644
--- a/core_tools/__init__.py
+++ b/core_tools/__init__.py
@@ -12,4 +12,4 @@ from core_tools.startup.gui import (
         start_script_runner,
         )
 
-__version__ = "1.5.5"
+__version__ = "1.5.6"
diff --git a/setup.py b/setup.py
index a7ac393553a5ed3d8d70fbaae1c416a5d9425c72..b30f3138f24a400d9b866631578da3024fdf4c61 100644
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,7 @@
 from setuptools import setup, find_packages
 
 setup(name="core_tools",
-    version="1.5.5",
+    version="1.5.6",
     packages = find_packages(),
     python_requires=">=3.10",
     install_requires=[
diff --git a/tbump.toml b/tbump.toml
index f842b081fb7f14b66d64b426ef7e85ff3e63cd5e..6f8208c7e44b8ee2684b4bf8f88d7f54eaf67207 100644
--- a/tbump.toml
+++ b/tbump.toml
@@ -2,7 +2,7 @@
 # github_url = "https://github.com/<user or organization>/<project>/"
 
 [version]
-current = "1.5.5"
+current = "1.5.6"
 
 # Example of a semver regexp.
 # Make sure this matches current_version before