diff --git a/install/requirements.txt b/install/requirements.txt
index c85ee878b..70b9bd48f 100644
--- a/install/requirements.txt
+++ b/install/requirements.txt
@@ -585,9 +585,9 @@ pyopenssl==26.2.0 \
     --hash=sha256:4f9d971bc5298b8bc1fab282803da04bf000c755d4ad9d99b52de2569ca19a70 \
     --hash=sha256:8c6fcecd1183a7fc897548dfe388b0cdb7f37e018200d8409cf33959dbe35387
     # via sigstore
-requests==2.34.0 \
-    --hash=sha256:7d62fe92f50eb82c529b0916bb445afa1531a566fc8f35ffdc64446e771b856a \
-    --hash=sha256:917520a21b767485ce7c588f4ebb917c436b24a31231b44228715eaeb5a52c60
+requests==2.34.2 \
+    --hash=sha256:2a0d60c172f83ac6ab31e4554906c0f3b3588d37b5cb939b1c061f4907e278e0 \
+    --hash=sha256:f288924cae4e29463698d6d60bc6a4da69c89185ad1e0bcc4104f584e960b9ed
     # via sigstore
 rfc3161-client==1.0.6 \
     --hash=sha256:0b3920334f7334ec3bb9c319d53a5d08cd43b6883f75e2669cfd869cd264d53a \
diff --git a/sigstore/_internal/rekor/client.py b/sigstore/_internal/rekor/client.py
index d01c6d504..56e686fe6 100644
--- a/sigstore/_internal/rekor/client.py
+++ b/sigstore/_internal/rekor/client.py
@@ -181,7 +181,7 @@ def post(
         """
         data = {"entries": [expected_entry.model_dump(mode="json", by_alias=True)]}
 
-        resp: requests.Response = self.session.post(self.url, json=data)  # type: ignore[arg-type]
+        resp: requests.Response = self.session.post(self.url, json=data)
         try:
             resp.raise_for_status()
         except requests.HTTPError as http_error:
diff --git a/uv.lock b/uv.lock
index c39976379..57451b37a 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1538,7 +1538,7 @@ wheels = [
 
 [[package]]
 name = "requests"
-version = "2.34.0"
+version = "2.34.2"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "certifi" },
@@ -1546,9 +1546,9 @@ dependencies = [
     { name = "idna" },
     { name = "urllib3" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/43/b8/7a707d60fea4c49094e40262cc0e2ca6c768cca21587e34d3f705afec47e/requests-2.34.0.tar.gz", hash = "sha256:7d62fe92f50eb82c529b0916bb445afa1531a566fc8f35ffdc64446e771b856a", size = 142436, upload-time = "2026-05-11T19:29:51.717Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/ac/c3/e2a2b89f2d3e2179abd6d00ebd70bff6273f37fb3e0cc209f48b39d00cbf/requests-2.34.2.tar.gz", hash = "sha256:f288924cae4e29463698d6d60bc6a4da69c89185ad1e0bcc4104f584e960b9ed", size = 142856, upload-time = "2026-05-14T19:25:27.735Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/ef/e6/e300fce5fe83c30520607a015dabd985df3251e188d234bfe9492e17a389/requests-2.34.0-py3-none-any.whl", hash = "sha256:917520a21b767485ce7c588f4ebb917c436b24a31231b44228715eaeb5a52c60", size = 73021, upload-time = "2026-05-11T19:29:49.923Z" },
+    { url = "https://files.pythonhosted.org/packages/a0/f4/c67b0b3f1b9245e8d266f0f112c500d50e5b4e83cb6f3b71b6528104182a/requests-2.34.2-py3-none-any.whl", hash = "sha256:2a0d60c172f83ac6ab31e4554906c0f3b3588d37b5cb939b1c061f4907e278e0", size = 73075, upload-time = "2026-05-14T19:25:26.443Z" },
 ]
 
 [[package]]