diff --git a/requirements-dev.lock b/requirements-dev.lock
index 97cca34cd..14a1a9a7a 100644
--- a/requirements-dev.lock
+++ b/requirements-dev.lock
@@ -38,7 +38,7 @@ bleach==6.1.0
     # via nbconvert
 cachetools==5.3.3
     # via google-auth
-certifi==2024.7.4
+certifi==2026.10.23
     # via pyproj
     # via requests
 charset-normalizer==3.3.2
diff --git a/requirements.lock b/requirements.lock
index 3bf1f2bd4..707b8305d 100644
--- a/requirements.lock
+++ b/requirements.lock
@@ -24,7 +24,7 @@ babel==2.15.0
     # via sphinx
 cachetools==5.3.3
     # via google-auth
-certifi==2024.7.4
+certifi==2026.10.23
     # via pyproj
     # via requests
 charset-normalizer==3.3.2
diff --git a/uv.lock b/uv.lock
index 3ba602fb5..59c0cd6ae 100644
--- a/uv.lock
+++ b/uv.lock
@@ -43,11 +43,11 @@ wheels = [
 
 [[package]]
 name = "certifi"
-version = "2025.8.3"
+version = "2026.10.23"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/dc/67/960ebe6bf230a96cda2e0abcf73af550ec4f090005363542f0765df162e0/certifi-2025.8.3.tar.gz", hash = "sha256:e564105f78ded564e3ae7c923924435e1daa7463faeab5bb932bc53ffae63407", size = 162386, upload-time = "2025-08-03T03:07:47.08Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/fd/11/b524cbd9bbdaca58608e4cf4053fd463417549e1959fa8d3aa18319f9555/certifi-2026.10.23.tar.gz", hash = "sha256:a9895e6e2758b371e0545e321a3a8fd1fcfd9829ada8824a936dfb16aaaf36cd", size = 136225, upload-time = "2026-10-23T11:36:16.478Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/e5/48/1549795ba7742c948d2ad169c1c8cdbae65bc450d6cd753d124b17c8cd32/certifi-2025.8.3-py3-none-any.whl", hash = "sha256:f6c12493cfb1b06ba2ff328595af9350c65d6644968e5d3a2ffd78699af217a5", size = 161216, upload-time = "2025-08-03T03:07:45.777Z" },
+    { url = "https://files.pythonhosted.org/packages/32/d1/a3652fe2c19134d0d15922177821d863cbd7e842d53a21bbe7e8e3a1b5ac/certifi-2026.10.23-py3-none-any.whl", hash = "sha256:e9b54de76e530bb6cf0ccd036787103acb58fd42ba930ea8bf948ddbaa2f61d1", size = 135082, upload-time = "2026-10-23T11:36:14.763Z" },
 ]
 
 [[package]]