diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c25520e5..2e49a8d9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
       with:
         path: |
           .venv
-        key: ${{ runner.os }}-${{ matrix.python-version }}-${{ hashFiles('requirements/*.txt') }}
+        key: ${{ runner.os }}-${{ matrix.python-version }}-${{ hashFiles('requirements/*.txt') }}-${{ github.run_id }}
         lookup-only: true
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v5
@@ -48,7 +48,7 @@ jobs:
       id: virtualenv-cache
       with:
         path: .venv
-        key: ${{ runner.os }}-${{ matrix.python-version }}-${{ hashFiles('requirements/*.txt') }}
+        key: ${{ runner.os }}-${{ matrix.python-version }}-${{ hashFiles('requirements/*.txt') }}-${{ github.run_id }}
     # NOTE(robinson) - This is a fallback in case the lint job does not find the cache.
     # We can take this out when we implement the fix in CORE-99
     - name: Setup virtual environment (no cache hit)
@@ -81,13 +81,15 @@ jobs:
       with:
         path: |
           .venv
-        key: ${{ runner.os }}-${{ matrix.python-version }}-${{ hashFiles('requirements/*.txt') }}
+        key: ${{ runner.os }}-${{ matrix.python-version }}-${{ hashFiles('requirements/*.txt') }}-${{ github.run_id }}
     # NOTE(robinson) - This is a fallback in case the lint job does not find the cache.
     # We can take this out when we implement the fix in CORE-99
     - name: Setup virtual environment (no cache hit)
       if: steps.virtualenv-cache.outputs.cache-hit != 'true'
       run: |
         python${{ matrix.python-version }} -m venv .venv
+        source .venv/bin/activate
+        make install-ci
     - name: Install Poppler
       run: |
         sudo apt-get update
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2f2ef842..1d510a7e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.8.8-dev0
+
+* fix: pdfminer-six dependencies
+
 ## 0.8.7
 
 * fix: add `password` for PDF
diff --git a/requirements/base.in b/requirements/base.in
index a7781de8..db4b9cae 100644
--- a/requirements/base.in
+++ b/requirements/base.in
@@ -14,4 +14,4 @@ rapidfuzz
 pandas
 scipy
 pypdfium2
-pdfminer-six==20240706
\ No newline at end of file
+pdfminer-six>=20240706
\ No newline at end of file
diff --git a/unstructured_inference/__version__.py b/unstructured_inference/__version__.py
index ba167b50..584832f5 100644
--- a/unstructured_inference/__version__.py
+++ b/unstructured_inference/__version__.py
@@ -1 +1 @@
-__version__ = "0.8.7"  # pragma: no cover
+__version__ = "0.8.8-dev0"  # pragma: no cover