diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a2dbe30..cb6a1b5 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -29,19 +29,21 @@ jobs:
         python3 --version
         pre-commit --version
     - name: Checkout Current Repo
-      uses: actions/checkout@v1
+      uses: actions/checkout@v4
       with:
         submodules: true
+        show-progress: false
     - name: Library version
       run: git describe --dirty --always --tags
     - name: Pre-commit hooks
       run: |
         pre-commit run --all-files
     - name: Checkout tools repo
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
       with:
         repository: adafruit/actions-ci-circuitpython-libs
         path: actions-ci
+        show-progress: false
     - name: Install dependencies
       # (e.g. - apt-get: gettext, etc; pip: circuitpython-build-tools, requirements.txt; etc.)
       run: |
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index ffeb537..e843eff 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -12,7 +12,9 @@ jobs:
   upload-pypi:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
+      with:
+        show-progress: false
     - name: Check For setup.py
       id: need-pypi
       run: |
diff --git a/circup/__init__.py b/circup/__init__.py
index 21ea508..166dfe1 100644
--- a/circup/__init__.py
+++ b/circup/__init__.py
@@ -498,6 +498,7 @@ def ensure_latest_bundle(bundle):
 
 
 def extract_metadata(path):
+    # pylint: disable=too-many-locals,too-many-branches
     """
     Given an file path, return a dictionary containing metadata extracted from
     dunder attributes found therein. Works with both .py and .mpy files.
@@ -528,6 +529,7 @@ def extract_metadata(path):
         if result:
             logger.info("Extracted metadata: %s", result)
     elif path.endswith(".mpy"):
+        find_by_regexp_match = False
         result["mpy"] = True
         with open(path, "rb") as mpy_file:
             content = mpy_file.read()
@@ -541,10 +543,20 @@ def extract_metadata(path):
             loc = content.find(b"__version__") - 1
             compatibility = (None, "7.0.0-alpha.1")
         elif mpy_version == b"C\x05":
-            # Two bytes in mpy version 5
+            # Two bytes for the length of "__version__" in mpy version 5
             loc = content.find(b"__version__") - 2
-            compatibility = ("7.0.0-alpha.1", None)
-        if loc > -1:
+            compatibility = ("7.0.0-alpha.1", "8.99.99")
+        elif mpy_version == b"C\x06":
+            # Two bytes in mpy version 6
+            find_by_regexp_match = True
+            compatibility = ("9.0.0-alpha.1", None)
+        if find_by_regexp_match:
+            # Too hard to find the version positionally.
+            # Find the first thing that looks like an x.y.z version number.
+            match = re.search(rb"([\d]+\.[\d]+\.[\d]+)\x00", content)
+            if match:
+                result["__version__"] = match.group(1).decode("utf-8")
+        elif loc > -1:
             # Backtrack until a byte value of the offset is reached.
             offset = 1
             while offset < loc:
diff --git a/tests/test_circup.py b/tests/test_circup.py
index a73f002..db1924d 100644
--- a/tests/test_circup.py
+++ b/tests/test_circup.py
@@ -316,7 +316,7 @@ def test_Module_mpy_mismatch():
         bundle = circup.Bundle(TEST_BUNDLE_NAME)
         m1 = circup.Module(path, repo, "1.2.3", "1.2.3", True, bundle, (None, None))
         m2 = circup.Module(
-            path, repo, "1.2.3", "1.2.3", True, bundle, ("7.0.0-alpha.1", None)
+            path, repo, "1.2.3", "1.2.3", True, bundle, ("7.0.0-alpha.1", "8.99.99")
         )
         m3 = circup.Module(
             path, repo, "1.2.3", "1.2.3", True, bundle, (None, "7.0.0-alpha.1")
@@ -592,7 +592,7 @@ def test_extract_metadata_byte_code_v7():
     result = circup.extract_metadata("tests/local_module_cp7.mpy")
     assert result["__version__"] == "1.2.3"
     assert result["mpy"] is True
-    assert result["compatibility"] == ("7.0.0-alpha.1", None)
+    assert result["compatibility"] == ("7.0.0-alpha.1", "8.99.99")
 
 
 def test_find_modules():