diff --git a/pyproject.toml b/pyproject.toml
index 805b10b..39eb1c5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ requires-python = ">=3.10"
 dependencies = [
     "anyio==4.14.1",
     "certifi==2026.6.17",
-    "cffi==2.0.0",
+    "cffi==2.1.0",
     "cryptography==49.0.0",
     "exceptiongroup==1.3.1",
     "h11==0.16.0",
diff --git a/requirements.txt b/requirements.txt
index aadf762..b33da6f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 anyio==4.14.1
 certifi==2026.6.17
-cffi==2.0.0
+cffi==2.1.0
 cryptography==49.0.0
 exceptiongroup==1.3.1
 h11==0.16.0