diff --git a/pyproject.toml b/pyproject.toml
index 865497e..0ffcf62 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,7 @@ authors = [{ name = "Andrew Nichols", email = "andrew.nichols@overstory.com" }]
 license = "MIT"
 readme = "README.md"
 requires-python = ">=3.12"
-dependencies = ["pyyaml>=6.0", "packaging>=21.0", "gitpython>=3.1.49"]
+dependencies = ["pyyaml>=6.0", "packaging>=21.0", "gitpython>=3.1.55"]
 
 [project.scripts]
 bough = "bough.cli:main"
diff --git a/uv.lock b/uv.lock
index b4fa7e2..4150968 100644
--- a/uv.lock
+++ b/uv.lock
@@ -33,7 +33,7 @@ dev = [
 
 [package.metadata]
 requires-dist = [
-    { name = "gitpython", specifier = ">=3.1.49" },
+    { name = "gitpython", specifier = ">=3.1.55" },
     { name = "packaging", specifier = ">=21.0" },
     { name = "pyyaml", specifier = ">=6.0" },
 ]
@@ -174,14 +174,14 @@ wheels = [
 
 [[package]]
 name = "gitpython"
-version = "3.1.50"
+version = "3.1.57"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "gitdb" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/33/f6/354ae6491228b5eb40e10d89c4d13c651fe1cf7556e35ebdded50cff57ce/gitpython-3.1.50.tar.gz", hash = "sha256:80da2d12504d52e1f998772dc5baf6e553f8d2fcfe1fcc226c9d9a2ee3372dcc", size = 219798, upload-time = "2026-05-06T04:01:26.571Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/ba/0d/132ed135c871b6bf91adf16a0e43797cd535b81d4973b5d09291c54fc5ee/gitpython-3.1.57.tar.gz", hash = "sha256:c493ec57c0ef6b19743798b6a5af859c71814b524e7e6f97baa2f8e658961488", size = 225898, upload-time = "2026-07-26T07:33:26.351Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/20/7a/1c6e3562dfd8950adbb11ffbc65d21e7c89d01a6e4f137fa981056de25c5/gitpython-3.1.50-py3-none-any.whl", hash = "sha256:d352abe2908d07355014abdd21ddf798c2a961469239afec4962e9da884858f9", size = 212507, upload-time = "2026-05-06T04:01:23.799Z" },
+    { url = "https://files.pythonhosted.org/packages/41/6e/2139de986d9c7c3ac86f1f8be43858ce90bdfe2f7175e6c80c650ba15242/gitpython-3.1.57-py3-none-any.whl", hash = "sha256:4ccf7d73c10f5c9e76043fbb2675ac5a1b3ff5b41e648f56bcbed5f63792ecaf", size = 217151, upload-time = "2026-07-26T07:33:24.838Z" },
 ]
 
 [[package]]