diff --git a/pyproject.toml b/pyproject.toml
index e8f1648..ed8d4ce 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,7 +24,7 @@ classifiers = [
 dependencies = [
     "Flask-Cors==6.0.0",
     "Flask==3.1.3",
-    "GitPython==3.1.42",
+    "GitPython==3.1.47",
     "graphviz==0.20.1",
     "Penman==1.3.0",
     "pytest==7.4.0",
diff --git a/requirements.txt b/requirements.txt
index 8901c39..be7f769 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ Flask==3.1.3
 Flask-Cors==6.0.0
 graphviz==0.20.1
 Penman==1.3.0
-GitPython==3.1.42
+GitPython==3.1.47
 PyYAML==6.0.1
 smatchpp==1.7.0
 requests==2.33.0