diff --git a/requirements/constraints.txt b/requirements/constraints.txt
index 7ee71586ed1..cade2482eaa 100644
--- a/requirements/constraints.txt
+++ b/requirements/constraints.txt
@@ -59,7 +59,7 @@ coverage==7.11.0
     #   pytest-cov
 cryptography==46.0.3
     # via trustme
-cython==3.1.5
+cython==3.1.6
     # via -r requirements/cython.in
 distlib==0.4.0
     # via virtualenv
diff --git a/requirements/cython.txt b/requirements/cython.txt
index 7d87371c03d..05f39110b33 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==3.1.5
+cython==3.1.6
     # via -r requirements/cython.in
 multidict==6.7.0
     # via -r requirements/multidict.in