diff --git a/.github/workflows/test_rainforest_dev.yml b/.github/workflows/test_rainforest_dev.yml
new file mode 100644
index 0000000..539282b
--- /dev/null
+++ b/.github/workflows/test_rainforest_dev.yml
@@ -0,0 +1,66 @@
+name: Test rainforest dev
+
+on:
+  # Triggers the workflow on push or pull request events but only for the master branch
+  push:
+    branches: [ dev ]
+  pull_request:
+    branches: [ dev ]
+  workflow_dispatch:
+      inputs:
+        debug_enabled:
+          type: boolean
+          description: 'Run the build with tmate debugging enabled (https://github.com/marketplace/actions/debugging-with-tmate)'
+          required: false
+          default: false
+jobs:
+  unit_tests:
+    name: Unit Tests (${{ matrix.python-version }}, ${{ matrix.os }})
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ "ubuntu-latest" ]
+        python-version: ["3.8", "3.9","3.10","3.11"]
+      max-parallel: 6
+
+    defaults:
+      run:
+        shell: bash -l {0}
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          ref: master
+      - uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install rainforest
+        if: matrix.os != 'macos-latest'
+        working-directory: ${{github.workspace}}
+        run: |
+          pip install --upgrade pip
+          pip install -r requirements.txt
+          pip install -r test_requirements.txt
+          pip install .
+      - name: Create rainforest_data folder
+        run: |
+          mkdir -p ${{github.workspace}}/rainforest_data
+      - name: Check imports
+        env:
+           AWS_KEY: ${{ secrets.AWS_KEY }}
+           RAINFOREST_DATAPATH:  ${{github.workspace}}/rainforest_data
+        working-directory: /tmp/
+        run: |
+          python -c "import rainforest; print(rainforest.__file__)" 
+      - name: Run tests
+        env:
+           AWS_KEY: ${{ secrets.AWS_KEY }}
+           RAINFOREST_DATAPATH:  ${{github.workspace}}/rainforest_data
+        working-directory: ${{github.workspace}}
+        run: pytest tests_ci
+      - name: Setup tmate session
+        uses: mxschmitt/action-tmate@v3
+        if: ${{ failure() && github.event_name == 'workflow_dispatch' && inputs.debug_enabled }}
+
diff --git a/rainforest/common/lookup.py b/rainforest/common/lookup.py
index 57e650d..7ab7af6 100644
--- a/rainforest/common/lookup.py
+++ b/rainforest/common/lookup.py
@@ -442,7 +442,7 @@ def calc_lookup(lookup_type, radar = None):
         offset_x = int((neighb_x-1)/2)
         offset_y = int((neighb_y-1)/2)
         
-        df_stations = df_stations.append(constants.RADARS)
+        df_stations = df_stations._append(constants.RADARS, ignore_index=True)
         stations = df_stations['Abbrev']
     
         lut = {}
diff --git a/requirements.txt b/requirements.txt
index 8bedc01..72a3c82 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ Cython
 numpy
 netCDF4
 prompt_toolkit
-scikit-learn
+scikit-learn==1.2.2
 scipy
 dask
 pandas