diff --git a/poetry.lock b/poetry.lock
index 5d8e9a0..8d72827 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 2.4.0 and should not be changed by hand.
+# This file is automatically @generated by Poetry 2.4.1 and should not be changed by hand.
 
 [[package]]
 name = "annotated-types"
@@ -855,14 +855,14 @@ smmap = ">=3.0.1,<6"
 
 [[package]]
 name = "gitpython"
-version = "3.1.50"
+version = "3.1.55"
 description = "GitPython is a Python library used to interact with Git repositories"
 optional = false
 python-versions = ">=3.7"
 groups = ["main", "dev"]
 files = [
-    {file = "gitpython-3.1.50-py3-none-any.whl", hash = "sha256:d352abe2908d07355014abdd21ddf798c2a961469239afec4962e9da884858f9"},
-    {file = "gitpython-3.1.50.tar.gz", hash = "sha256:80da2d12504d52e1f998772dc5baf6e553f8d2fcfe1fcc226c9d9a2ee3372dcc"},
+    {file = "gitpython-3.1.55-py3-none-any.whl", hash = "sha256:7c9ec1e69c158c081632ab35c41471e302c96db2ae42165036a5d2403378812e"},
+    {file = "gitpython-3.1.55.tar.gz", hash = "sha256:781e3b1624dad81b24e9524bf0297b69786a0706db2cbceec1e2b05c38e5152f"},
 ]
 
 [package.dependencies]
@@ -2961,4 +2961,4 @@ dev = ["pytest", "setuptools"]
 [metadata]
 lock-version = "2.1"
 python-versions = ">=3.10, <3.14.0"
-content-hash = "6d994147a64b24950c5fae9e09b42852b5c7b6ca80d59b957393e53efe3760e5"
+content-hash = "1d6277b550b5feb318e4989b2769bb446d5a2ecd6ecb87905adfb605e1208a45"
diff --git a/pyproject.toml b/pyproject.toml
index fb9f23c..933427f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -40,7 +40,7 @@ homepage = "https://github.com/exasol/udf-runner-cpp"
 
 dev = [
     "toml>=0.10.2",
-    "gitpython>=3.1.0, <4.0.0",
+    "gitpython>=3.1.52, <4.0.0",
     "nox>=2026.4.10"
 ]