diff --git a/.github/workflows/linux-pypi-release-tests.yml b/.github/workflows/linux-pypi-release-tests.yml
index a3f0576..21c241d 100644
--- a/.github/workflows/linux-pypi-release-tests.yml
+++ b/.github/workflows/linux-pypi-release-tests.yml
@@ -20,7 +20,7 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
       run: |
-        python3 -m pip install --upgrade pip pytest pytest-asyncio coverage ruff aiofiles cryptography
+        python3 -m pip install --upgrade pip pytest pytest-asyncio coverage ruff hypothesis aiofiles cryptography
     - name: run tests from pypi tarball
       run: |
         PACKAGE_NAME=aiootp
diff --git a/.github/workflows/linux-python-app.yml b/.github/workflows/linux-python-app.yml
index bee16b4..347f454 100644
--- a/.github/workflows/linux-python-app.yml
+++ b/.github/workflows/linux-python-app.yml
@@ -19,7 +19,7 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: install dependencies
       run: |
-        python3 -m pip install --upgrade pip pytest pytest-asyncio coverage ruff aiofiles cryptography
+        python3 -m pip install --upgrade pip pytest pytest-asyncio coverage ruff hypothesis aiofiles cryptography
     - name: lint with ruff
       run: |
         ruff check . && ruff format --line-length=76 --check .
diff --git a/.github/workflows/macos-pypi-release-tests.yml b/.github/workflows/macos-pypi-release-tests.yml
index ee006de..a197ddb 100644
--- a/.github/workflows/macos-pypi-release-tests.yml
+++ b/.github/workflows/macos-pypi-release-tests.yml
@@ -20,7 +20,7 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
       run: |
-        python3 -m pip install --upgrade pip pytest pytest-asyncio coverage ruff aiofiles cryptography
+        python3 -m pip install --upgrade pip pytest pytest-asyncio coverage ruff hypothesis aiofiles cryptography
     - name: run tests from pypi tarball
       run: |
         PACKAGE_NAME=aiootp
diff --git a/.github/workflows/macos-python-app.yml b/.github/workflows/macos-python-app.yml
index 7fedbe1..ca08d30 100644
--- a/.github/workflows/macos-python-app.yml
+++ b/.github/workflows/macos-python-app.yml
@@ -19,7 +19,7 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: install dependencies
       run: |
-        python3 -m pip install --upgrade pip pytest pytest-asyncio coverage ruff aiofiles cryptography
+        python3 -m pip install --upgrade pip pytest pytest-asyncio coverage ruff hypothesis aiofiles cryptography
     - name: lint with ruff
       run: |
         ruff check . && ruff format --line-length=76 --check .
diff --git a/.github/workflows/windows-pypi-release-tests.yml b/.github/workflows/windows-pypi-release-tests.yml
index 011ea7a..8af5609 100644
--- a/.github/workflows/windows-pypi-release-tests.yml
+++ b/.github/workflows/windows-pypi-release-tests.yml
@@ -21,7 +21,7 @@ jobs:
     - name: Install dependencies
       run: |
         choco install git -y
-        python3 -m pip install --upgrade pip pytest pytest-asyncio coverage ruff aiofiles cryptography
+        python3 -m pip install --upgrade pip pytest pytest-asyncio coverage ruff hypothesis aiofiles cryptography
     - name: run tests from pypi tarball
       shell: bash
       run: |
diff --git a/.github/workflows/windows-python-app.yml b/.github/workflows/windows-python-app.yml
index fea19e1..81049e9 100644
--- a/.github/workflows/windows-python-app.yml
+++ b/.github/workflows/windows-python-app.yml
@@ -19,7 +19,7 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: install dependencies
       run: |
-        python3 -m pip install --upgrade pip pytest pytest-asyncio coverage ruff aiofiles cryptography
+        python3 -m pip install --upgrade pip pytest pytest-asyncio coverage ruff hypothesis aiofiles cryptography
     - name: lint with ruff
       run: |
         ruff check . && ruff format --line-length=76 --check .
diff --git a/CHANGES.rst b/CHANGES.rst
index c98bfc7..f01ce5a 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -15,6 +15,7 @@ Major Changes
 - build: update dependencies & add coverage to dev & test installs
 - build: add ``hypothesis`` dependency to dev & test installs
 - build: bump ``ruff`` version & fix new lint rule changes
+- ci: add ``hypothesis`` to GH actions workflow dependencies
 
 
 Minor Changes