diff --git a/cellprofiler_core/__init__.py b/cellprofiler_core/__init__.py
index 213df64..ee4eeee 100644
--- a/cellprofiler_core/__init__.py
+++ b/cellprofiler_core/__init__.py
@@ -1 +1 @@
-__version__ = "4.2.8"
+__version__ = "4.2.80002"
diff --git a/setup.py b/setup.py
index 4518157..bbf96bf 100644
--- a/setup.py
+++ b/setup.py
@@ -42,6 +42,6 @@
     packages=setuptools.find_packages(exclude=["tests"]),
     python_requires=">=3.8, <4",
     url="https://github.com/CellProfiler/core",
-    version="4.2.8",
+    version="4.2.80002",
     zip_safe=False,
 )