diff --git a/.github/workflows/dependency_test.yaml b/.github/workflows/dependency_test.yaml
new file mode 100644
index 0000000..3649c4b
--- /dev/null
+++ b/.github/workflows/dependency_test.yaml
@@ -0,0 +1,184 @@
+name: Dependency Test
+on:
+  push:
+    branches-ignore:
+      - "master"
+  pull_request:
+
+jobs:
+  lib-import-test:
+    name: Lib Dependency Test
+    runs-on: ubuntu-20.04
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.6", "3.7", "3.8", "3.9", "3.10", "3.11"]
+        torch-version: ["1.8.*", "1.9.*", "1.10.*", "1.11.*", "1.12.*", "1.13.*", "2.0.*", "2.1.*"]
+        include:
+          - torch-version: "1.8.*"
+            torchvision-version: "0.9.*"
+          - torch-version: "1.9.*"
+            torchvision-version: "0.10.*"
+          - torch-version: "1.10.*"
+            torchvision-version: "0.11.*"
+          - torch-version: "1.11.*"
+            torchvision-version: "0.12.*"
+          - torch-version: "1.12.*"
+            torchvision-version: "0.13.*"
+          - torch-version: "1.13.*"
+            torchvision-version: "0.14.*"
+          - torch-version: "2.0.*"
+            torchvision-version: "0.15.*"
+          - torch-version: "2.1.*"
+            torchvision-version: "0.16.*"
+        exclude:
+          - python-version: "3.6"
+            torch-version: "1.11.*"
+          - python-version: "3.6"
+            torch-version: "1.12.*"
+          - python-version: "3.6"
+            torch-version: "1.13.*"
+          - python-version: "3.6"
+            torch-version: "2.0.*"
+          - python-version: "3.6"
+            torch-version: "2.1.*"
+
+          - python-version: "3.7"
+            torch-version: "2.0.*"
+          - python-version: "3.7"
+            torch-version: "2.1.*"
+
+          - python-version: "3.10"
+            torch-version: "1.8.*"
+          - python-version: "3.10"
+            torch-version: "1.9.*"
+          - python-version: "3.10"
+            torch-version: "1.10.*"
+
+          - python-version: "3.11"
+            torch-version: "1.8.*"
+          - python-version: "3.11"
+            torch-version: "1.9.*"
+          - python-version: "3.11"
+            torch-version: "1.10.*"
+          - python-version: "3.11"
+            torch-version: "1.11.*"
+          - python-version: "3.11"
+            torch-version: "1.12.*"
+          - python-version: "3.11"
+            torch-version: "1.13.*"
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set Swap Space
+        uses: pierotofy/set-swap-space@master
+        with:
+          swap-size-gb: 10
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+          architecture: x64
+
+      - name: Install PyAV Dependencies for Python 3.6
+        if: matrix.python-version == '3.6'
+        run: |
+          sudo apt install -y libavformat-dev libavdevice-dev
+          pip install "av==6.*"
+
+      - name: Install dependencies
+        run: |
+          sudo apt install -y ffmpeg wget
+          pip install torch==${{ matrix.torch-version }}
+          pip install torchvision==${{ matrix.torchvision-version }}
+          pip install -r requirements.lib.txt
+          python init.py
+
+      - name: Set PYTHONPATH
+        run: echo "PYTHONPATH=$(pwd)/src" >> $GITHUB_ENV
+
+      - name: Run Import Test
+        run: python -c "from marlin_pytorch import Marlin"
+
+  script-import-test:
+    name: Script Dependency Test
+    runs-on: ubuntu-20.04
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
+        torch-version: ["1.8.*", "1.9.*", "1.10.*", "1.11.*", "1.12.*", "1.13.*", "2.0.*", "2.1.*"]
+        include:
+          - torch-version: "1.8.*"
+            torchvision-version: "0.9.*"
+          - torch-version: "1.9.*"
+            torchvision-version: "0.10.*"
+          - torch-version: "1.10.*"
+            torchvision-version: "0.11.*"
+          - torch-version: "1.11.*"
+            torchvision-version: "0.12.*"
+          - torch-version: "1.12.*"
+            torchvision-version: "0.13.*"
+          - torch-version: "1.13.*"
+            torchvision-version: "0.14.*"
+          - torch-version: "2.0.*"
+            torchvision-version: "0.15.*"
+          - torch-version: "2.1.*"
+            torchvision-version: "0.16.*"
+        exclude:
+          - python-version: "3.7"
+            torch-version: "2.0.*"
+          - python-version: "3.7"
+            torch-version: "2.1.*"
+
+          - python-version: "3.10"
+            torch-version: "1.8.*"
+          - python-version: "3.10"
+            torch-version: "1.9.*"
+          - python-version: "3.10"
+            torch-version: "1.10.*"
+
+          - python-version: "3.11"
+            torch-version: "1.8.*"
+          - python-version: "3.11"
+            torch-version: "1.9.*"
+          - python-version: "3.11"
+            torch-version: "1.10.*"
+          - python-version: "3.11"
+            torch-version: "1.11.*"
+          - python-version: "3.11"
+            torch-version: "1.12.*"
+          - python-version: "3.11"
+            torch-version: "1.13.*"
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set Swap Space
+        uses: pierotofy/set-swap-space@master
+        with:
+          swap-size-gb: 10
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+          architecture: x64
+
+      - name: Install dependencies
+        run: |
+          sudo apt install -y ffmpeg wget
+          pip install torch==${{ matrix.torch-version }}
+          pip install torchvision==${{ matrix.torchvision-version }}
+          pip install -r requirements.txt
+          python init.py
+
+      - name: Set PYTHONPATH
+        run: echo "PYTHONPATH=$(pwd)/src" >> $GITHUB_ENV
+
+      - name: Run Import Test
+        run: |
+          python -c "from train import *"
+          python -c "from evaluate import *"
diff --git a/model/classifier.py b/model/classifier.py
index 20c36cc..5c74e0c 100644
--- a/model/classifier.py
+++ b/model/classifier.py
@@ -1,8 +1,8 @@
-from typing import Optional, Union, Sequence, Dict, Literal, Any
+from typing import Optional, Union, Sequence, Dict, Any
 
 from pytorch_lightning import LightningModule
 from torch import Tensor
-from torch.nn import CrossEntropyLoss, Linear, Identity, BCEWithLogitsLoss
+from torch.nn import CrossEntropyLoss, Linear, BCEWithLogitsLoss
 from torch.optim import Adam
 from torch.optim.lr_scheduler import ReduceLROnPlateau
 from torchmetrics import Accuracy, AUROC
@@ -15,7 +15,7 @@ class Classifier(LightningModule):
 
     def __init__(self, num_classes: int, backbone: str, finetune: bool,
         marlin_ckpt: Optional[str] = None,
-        task: Literal["binary", "multiclass", "multilabel"] = "binary",
+        task: str = "binary",
         learning_rate: float = 1e-4, distributed: bool = False
     ):
         super().__init__()
@@ -47,6 +47,8 @@ def __init__(self, num_classes: int, backbone: str, finetune: bool,
             self.loss_fn = BCEWithLogitsLoss()
             self.acc_fn = Accuracy(task="binary", num_classes=1)
             self.auc_fn = AUROC(task="binary", num_classes=1)
+        else:
+            raise ValueError(f"Unknown task: {task}, it should be one of 'binary', 'multiclass', 'multilabel'.")
 
     @classmethod
     def from_module(cls, model, learning_rate: float = 1e-4, distributed=False):
diff --git a/requirements.txt b/requirements.txt
index 646d547..eece939 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 opencv-python>=4.6
-numpy>=1.23
+numpy>=1.21
 einops~=0.4
 torchvision>=0.12.0
 torch
@@ -8,7 +8,7 @@ tqdm>=4.64.0
 scikit-image>=0.19.3
 matplotlib>=3.5.2
 pillow>=9.2.0
-pandas~=1.4.3
+pandas>=1.3.0
 marlin_pytorch==0.3.4
 pytorch_lightning==1.7.*
 ffmpeg-python>=0.2.0