diff --git a/pyproject.toml b/pyproject.toml
index 4c8b6f7..829354c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@ dependencies = [
     "cryptography==49.0.0",
     "Flask==3.1.3",
     "Flask-WTF==1.3.0",
-    "GitPython==3.1.53",
+    "GitPython==3.1.55",
     "libgravatar==1.0.4",
     "mistletoe==1.6.0",
     "praw==8.0.2",
diff --git a/uv.lock b/uv.lock
index f623e34..77d1b42 100644
--- a/uv.lock
+++ b/uv.lock
@@ -423,14 +423,14 @@ wheels = [
 
 [[package]]
 name = "gitpython"
-version = "3.1.53"
+version = "3.1.55"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "gitdb" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/17/24/0e0c12cb6f7cb864779a9d2fefee9ca91838f6db402c8780c9d28a8d7ebe/gitpython-3.1.53.tar.gz", hash = "sha256:06ae8d9623b0ed0d67b8adeac5c7008d0a5a404b087a9e0d0c7163bdd3a6b497", size = 224597, upload-time = "2026-07-20T13:41:52.839Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/b2/ab/ba0d29f2fa2277ed6256b2ac09003494045355f3a10bf32f351761287870/gitpython-3.1.55.tar.gz", hash = "sha256:781e3b1624dad81b24e9524bf0297b69786a0706db2cbceec1e2b05c38e5152f", size = 225071, upload-time = "2026-07-23T02:52:43.246Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/cf/a6/bff12b3238885eeef7d28ef908b24e0cba91c476c31cb876a00a0986ce2c/gitpython-3.1.53-py3-none-any.whl", hash = "sha256:187885556b64ab357bd4ea84e2c4cce2861a613a7f4268b3f7f7ba05f2ce4ab0", size = 216237, upload-time = "2026-07-20T13:41:51.473Z" },
+    { url = "https://files.pythonhosted.org/packages/20/6a/d3b8208d2f8aac66abe8ccc1c23fa2c89464ec42cc71a601e95d05902428/gitpython-3.1.55-py3-none-any.whl", hash = "sha256:7c9ec1e69c158c081632ab35c41471e302c96db2ae42165036a5d2403378812e", size = 216590, upload-time = "2026-07-23T02:52:41.932Z" },
 ]
 
 [[package]]
@@ -830,7 +830,7 @@ requires-dist = [
     { name = "cryptography", specifier = "==49.0.0" },
     { name = "flask", specifier = "==3.1.3" },
     { name = "flask-wtf", specifier = "==1.3.0" },
-    { name = "gitpython", specifier = "==3.1.53" },
+    { name = "gitpython", specifier = "==3.1.55" },
     { name = "libgravatar", specifier = "==1.0.4" },
     { name = "mistletoe", specifier = "==1.6.0" },
     { name = "praw", specifier = "==8.0.2" },