diff --git a/.github/workflows/run-example.yml b/.github/workflows/run-example.yml
index cc7d13fc..fb526595 100644
--- a/.github/workflows/run-example.yml
+++ b/.github/workflows/run-example.yml
@@ -8,7 +8,6 @@ on:
     branches:
       - main
 
-
 jobs:
   run-example:
     name: Test / Run Example
@@ -17,8 +16,6 @@ jobs:
         os:
           - "ubuntu-22.04"
           - "ubuntu-latest"
-        python:
-          - "3.8"
 
     runs-on: ${{ matrix.os }}
     steps:
@@ -27,10 +24,10 @@ jobs:
         with:
           submodules: true
 
-      - name: Set up Python ${{ matrix.python }}
+      - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: ${{ matrix.python }}
+          python-version-file: .python-version
 
       - name: Install Poetry
         run: |
@@ -43,13 +40,13 @@ jobs:
 
       - name: Install Python Dependencies and Build Evolution Gym
         run: |
-          poetry env use ${{ matrix.python }}
+          echo "Python Version: $(python --version)"
           poetry install --no-root
-          poetry build
+          poetry build && poetry run python setup.py install
 
       - name: Run Example
         run: |
           cd examples
-          python gym_test.py
+          poetry run python gym_test.py
 
 
diff --git a/.python-version b/.python-version
index 143c2f5d..9ad6380c 100644
--- a/.python-version
+++ b/.python-version
@@ -1 +1 @@
-3.8.19
+3.8.18
diff --git a/poetry.lock b/poetry.lock
index 7cdb69b2..d42b758a 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1173,5 +1173,5 @@ testing = ["big-O", "jaraco.functools", "jaraco.itertools", "more-itertools", "p
 
 [metadata]
 lock-version = "2.0"
-python-versions = "3.8.19"
-content-hash = "4b0e62e2383403287d8117f0d1adfc89fe81eb0da9abd24fa4311f1a532b2169"
+python-versions = "3.8.18"
+content-hash = "3da19ccd946cb5477909628f9f7750ddab880b1499b8f785b8670c30b1f0af43"
diff --git a/pyproject.toml b/pyproject.toml
index 3902eb14..c385eb2d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ license = "MIT"
 readme = "README.md"
 
 [tool.poetry.dependencies]
-python = "3.8.19"
+python = "3.8.18"
 glfw = "^2.5.0"
 gym = "^0.22.0"
 h5py = "^3.6.0"