diff --git a/Dockerfile b/Dockerfile
index ff3c601..1a951e3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ FROM python:alpine
 WORKDIR /usr/src/app
 
 COPY requirements.txt ./
-RUN apk add --no-cache gcc musl-dev python3-dev libffi-dev openssl-dev cargo && pip install --no-cache-dir -r requirements.txt && apk del gcc musl-dev python3-dev libffi-dev openssl-dev cargo
+RUN apk add --no-cache git gcc musl-dev python3-dev libffi-dev openssl-dev cargo && pip install --no-cache-dir -r requirements.txt && apk del gcc musl-dev python3-dev libffi-dev openssl-dev cargo
 
 COPY . .
 
diff --git a/poetry.lock b/poetry.lock
index a5a49d8..7ccfbd2 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -179,6 +179,18 @@ category = "main"
 optional = false
 python-versions = "*"
 
+[[package]]
+name = "pillow"
+version = "9.2.0"
+description = "Python Imaging Library (Fork)"
+category = "main"
+optional = false
+python-versions = ">=3.7"
+
+[package.extras]
+docs = ["furo", "olefile", "sphinx (>=2.4)", "sphinx-copybutton", "sphinx-issues (>=3.0.1)", "sphinx-removed-in", "sphinxext-opengraph"]
+tests = ["check-manifest", "coverage", "defusedxml", "markdown2", "olefile", "packaging", "pyroma", "pytest", "pytest-cov", "pytest-timeout"]
+
 [[package]]
 name = "pycparser"
 version = "2.21"
@@ -246,7 +258,7 @@ multidict = ">=4.0"
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.8"
-content-hash = "49ed992ab33dd193bc4082fdadb8eee63c11b288fa9c9e8f2eabe315b56cdf07"
+content-hash = "b395f5892a2891d8c3057f280bc38cb8eef4006f3667743e27b25eaf0d79b56d"
 
 [metadata.files]
 aiohttp = [
@@ -411,6 +423,7 @@ parsedatetime = [
     {file = "parsedatetime-2.6-py3-none-any.whl", hash = "sha256:cb96edd7016872f58479e35879294258c71437195760746faffedb692aef000b"},
     {file = "parsedatetime-2.6.tar.gz", hash = "sha256:4cb368fbb18a0b7231f4d76119165451c8d2e35951455dfee97c62a87b04d455"},
 ]
+pillow = []
 pycparser = [
     {file = "pycparser-2.21-py2.py3-none-any.whl", hash = "sha256:8ee45429555515e1f6b185e78100aea234072576aa43ab53aefcae078162fca9"},
     {file = "pycparser-2.21.tar.gz", hash = "sha256:e644fdec12f7872f86c58ff790da456218b10f863970249516d60a5eaca77206"},
diff --git a/pyproject.toml b/pyproject.toml
index d4a108a..baa96c2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,6 +15,7 @@ humanize = "^3.3.0"
 parsedatetime = "^2.6"
 aiohttp = "^3.7.4"
 gidgethub = "^5.0.1"
+Pillow = "^9.2.0"
 
 [tool.poetry.dev-dependencies]
 
diff --git a/requirements.txt b/requirements.txt
index e107484..8b47ecb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,6 +12,7 @@ humanize==3.14.0; python_version >= "3.6"
 idna==3.3; python_version >= "3.7" and python_full_version >= "3.8.0"
 multidict==6.0.2; python_version >= "3.7" and python_full_version >= "3.8.0"
 parsedatetime==2.6
+pillow==9.2.0; python_version >= "3.7"
 pycparser==2.21; python_version >= "3.6" and python_full_version < "3.0.0" or python_version >= "3.6" and python_full_version >= "3.4.0"
 pyjwt==2.4.0; python_version >= "3.6"
 python-dateutil==2.8.2; (python_version >= "2.7" and python_full_version < "3.0.0") or (python_full_version >= "3.3.0")