diff --git a/Dockerfile b/Dockerfile
index b12d6ce..987bf82 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -17,7 +17,7 @@ COPY requirements.txt *.py /action/workspace/
 
 RUN python3 -m pip install --no-cache-dir -r requirements.txt \
     && apt-get -y update \
-    && apt-get -y install --no-install-recommends git=1:2.47.2-0.2 \
+    && apt-get -y install --no-install-recommends git=1:2.47.3-0+deb13u1 \
     && rm -rf /var/lib/apt/lists/*
 
 CMD ["/action/workspace/issue_metrics.py"]
diff --git a/requirements-test.txt b/requirements-test.txt
index c0be31e..4b4367d 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -3,7 +3,7 @@ flake8==7.3.0
 mypy==1.17.1
 mypy-extensions==1.1.0
 pylint==3.3.8
-pytest==8.4.1
-pytest-cov==6.2.1
+pytest==8.4.2
+pytest-cov==6.3.0
 types-pytz==2025.2.0.20250809
 types-requests==2.32.4.20250809