diff --git a/requirements/constraints.txt b/requirements/constraints.txt
index f600426424b..083f171a576 100644
--- a/requirements/constraints.txt
+++ b/requirements/constraints.txt
@@ -60,7 +60,7 @@ cryptography==45.0.7
     # via
     #   pyjwt
     #   trustme
-cython==3.1.3
+cython==3.1.4
     # via -r requirements/cython.in
 distlib==0.4.0
     # via virtualenv
diff --git a/requirements/cython.txt b/requirements/cython.txt
index 6cc5519997d..824e216600b 100644
--- a/requirements/cython.txt
+++ b/requirements/cython.txt
@@ -4,7 +4,7 @@
 #
 #    pip-compile --allow-unsafe --output-file=requirements/cython.txt --resolver=backtracking --strip-extras requirements/cython.in
 #
-cython==3.1.3
+cython==3.1.4
     # via -r requirements/cython.in
 multidict==6.6.4
     # via -r requirements/multidict.in