diff --git a/pyproject.toml b/pyproject.toml
index 88e16160..f22f4c6e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -63,7 +63,7 @@ doc = [
   "python-dateutil==2.9.0.post0",
   "pytz==2025.2",
   "tox==4.30.3",
-  "regex==2025.9.18",
+  "regex==2026.2.28",
   "watchdog==6.0.0"
 ]
 publish = [
diff --git a/requirements.in b/requirements.in
index 508a4abc..36db4caa 100644
--- a/requirements.in
+++ b/requirements.in
@@ -29,7 +29,7 @@ pymdown-extensions==10.16.1
 pygments==2.19.2
 python-dateutil==2.9.0.post0
 pytz==2025.2
-regex==2025.9.18
+regex==2026.2.28
 watchdog==6.0.0
 
 # Optional dependencies: publish