diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ef5cac2..47e3ed0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,7 +28,7 @@ jobs:
           - '3.11'
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4
       with:
diff --git a/.github/workflows/supply-chain.yml b/.github/workflows/prerelease.yml
similarity index 51%
rename from .github/workflows/supply-chain.yml
rename to .github/workflows/prerelease.yml
index b16ea59..01cf7f1 100644
--- a/.github/workflows/supply-chain.yml
+++ b/.github/workflows/prerelease.yml
@@ -1,22 +1,26 @@
+# Portions of this file contributed by NIST are governed by the following
+# statement:
+#
 # This software was developed at the National Institute of Standards
 # and Technology by employees of the Federal Government in the course
-# of their official duties. Pursuant to title 17 Section 105 of the
-# United States Code this software is not subject to copyright
-# protection and is in the public domain. NIST assumes no
-# responsibility whatsoever for its use by other parties, and makes
-# no guarantees, expressed or implied, about its quality,
-# reliability, or any other characteristic.
+# of their official duties. Pursuant to Title 17 Section 105 of the
+# United States Code, this software is not subject to copyright
+# protection within the United States. NIST assumes no responsibility
+# whatsoever for its use by other parties, and makes no guarantees,
+# expressed or implied, about its quality, reliability, or any other
+# characteristic.
 #
 # We would appreciate acknowledgement if the software is used.
 
 # This workflow uses Make to review direct dependencies of this
 # repository.
 
-name: Supply Chain
+name: Prerelease
 
 on:
-  schedule:
-    - cron: '15 5 * * 1,2,3,4,5'
+  pull_request:
+    branches:
+      - main
 
 jobs:
   build:
@@ -29,12 +33,10 @@ jobs:
           - '3.11'
 
     steps:
-    - uses: actions/checkout@v3
-      with:
-        ref: develop
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
     - name: Review dependencies
-      run: make check-supply-chain
+      run: make check-supply-chain-pre-commit
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index b4161f2..5ae8713 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,6 +1,6 @@
 repos:
   - repo: https://github.com/psf/black
-    rev: 23.7.0
+    rev: 23.10.1
     hooks:
       - id: black
   - repo: https://github.com/pycqa/flake8
diff --git a/Makefile b/Makefile
index c4aa1d4..4b13058 100644
--- a/Makefile
+++ b/Makefile
@@ -69,6 +69,7 @@ check: \
 check-supply-chain: \
   check-supply-chain-pre-commit
 
+# This target is scheduled to run as part of prerelease review.
 check-supply-chain-pre-commit: \
   .venv-pre-commit/var/.pre-commit-built.log
 	source .venv-pre-commit/bin/activate \
diff --git a/case_exiftool/__init__.py b/case_exiftool/__init__.py
index 717f430..9aab467 100644
--- a/case_exiftool/__init__.py
+++ b/case_exiftool/__init__.py
@@ -15,7 +15,7 @@
 This tool parses the RDF output of ExifTool, mapping it into UCO properties and relationships-of-assumption.  An analyst should later annotate the output with their beliefs on its verity.
 """
 
-__version__ = "0.8.0"
+__version__ = "0.8.1"
 
 import argparse
 import contextlib