diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 1459fecb..502d20dc 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -80,7 +80,7 @@ jobs:
       - name: Run cpplint
         run: |
           set -eux
-          pip install cpplint
+          pip install cpplint==1.6.1
           cpplint --version
           cpplint --recursive .
           if [ $? != 0 ]; then exit 1; fi
diff --git a/setup.py b/setup.py
index 9d9c965f..b1a046e5 100644
--- a/setup.py
+++ b/setup.py
@@ -3,6 +3,8 @@
 requirements = [
     "tqdm",
     "kaldiio",
+    "hdbscan==0.8.37",
+    "umap-learn==0.5.6",
     "torch>=1.12.0",
     "torchaudio>=0.12.0",
     "silero-vad",