diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6df35fd3..60e0d168 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -29,6 +29,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Bug: Incorrect point deletion with keyboard shortcut (<https://github.com/openvinotoolkit/cvat/pull/4420>)
 - some AI Tools were not sending responses properly (<https://github.com/openvinotoolkit/cvat/issues/4432>)
 - Unable to upload annotations (<https://github.com/openvinotoolkit/cvat/pull/4513>)
+- Fix build dependencies for Siammask (<https://github.com/openvinotoolkit/cvat/pull/4486>)
 
 ### Security
 - TDB
diff --git a/serverless/pytorch/foolwood/siammask/nuclio/function-gpu.yaml b/serverless/pytorch/foolwood/siammask/nuclio/function-gpu.yaml
index 1962d216..64cfb1c6 100644
--- a/serverless/pytorch/foolwood/siammask/nuclio/function-gpu.yaml
+++ b/serverless/pytorch/foolwood/siammask/nuclio/function-gpu.yaml
@@ -41,7 +41,7 @@ spec:
         - kind: RUN
           value: git clone https://github.com/foolwood/SiamMask.git
         - kind: RUN
-          value: pip install -r SiamMask/requirements.txt jsonpickle
+          value: pip install Cython==0.29.4 colorama==0.3.9 numpy==1.15.4 requests==2.21.0 fire==0.1.3 matplotlib==2.2.3 numba==0.39.0 scipy==1.1.0 h5py==2.8.0 pandas==0.23.4 tqdm==4.29.1 tensorboardX==1.6 opencv_python==3.4.3.18 jsonpickle
         - kind: RUN
           value: pip install torch==1.9.0+cu111 torchvision==0.10.0+cu111 torchaudio==0.9.0 -f https://download.pytorch.org/whl/torch_stable.html
         - kind: RUN
diff --git a/serverless/pytorch/foolwood/siammask/nuclio/function.yaml b/serverless/pytorch/foolwood/siammask/nuclio/function.yaml
index 46d1c849..4911f8be 100644
--- a/serverless/pytorch/foolwood/siammask/nuclio/function.yaml
+++ b/serverless/pytorch/foolwood/siammask/nuclio/function.yaml
@@ -41,7 +41,7 @@ spec:
         - kind: RUN
           value: git clone https://github.com/foolwood/SiamMask.git
         - kind: RUN
-          value: pip install -r SiamMask/requirements.txt jsonpickle
+          value: pip install Cython==0.29.4 colorama==0.3.9 numpy==1.15.4 requests==2.21.0 fire==0.1.3 matplotlib==2.2.3 numba==0.39.0 scipy==1.1.0 h5py==2.8.0 pandas==0.23.4 tqdm==4.29.1 tensorboardX==1.6 opencv_python==3.4.3.18 torch==1.9.0 torchvision==0.2.1 jsonpickle
         - kind: RUN
           value: conda install -y gcc_linux-64
         - kind: RUN