diff --git a/requirements-build.txt b/requirements-build.txt
index a22a0bfc..761b5671 100644
--- a/requirements-build.txt
+++ b/requirements-build.txt
@@ -6,7 +6,7 @@
 #
 calver==2025.10.20
     # via trove-classifiers
-cffi==2.0.0
+cffi==2.1.1
     # via cryptography
 cython==3.2.5
     # via pyyaml
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 5084c620..bcaa8184 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -26,7 +26,7 @@ certifi==2026.6.17
     #   -r requirements.txt
     #   kubernetes
     #   requests
-cffi==2.0.0
+cffi==2.1.1
     # via
     #   -r requirements.txt
     #   cryptography
diff --git a/requirements-llm.txt b/requirements-llm.txt
index 4192e61a..71b0e4cd 100644
--- a/requirements-llm.txt
+++ b/requirements-llm.txt
@@ -53,7 +53,7 @@ certifi==2026.6.17
     #   httpcore
     #   httpx
     #   requests
-cffi==2.0.0
+cffi==2.1.1
     # via
     #   -r requirements.txt
     #   cryptography
diff --git a/requirements.txt b/requirements.txt
index f85bc324..9091ff92 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ cel-python==0.5.0
     # via -r requirements.in
 certifi==2026.6.17
     # via requests
-cffi==2.0.0
+cffi==2.1.1
     # via cryptography
 charset-normalizer==3.4.7
     # via requests