diff --git a/CHANGES.rst b/CHANGES.rst
index 71d29e7e..8368f3a2 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,7 +1,7 @@
 Version 3.1.3
 -------------
 
-Unreleased
+Released 2026-02-18
 
 -   The session is marked as accessed for operations that only access the keys
     but not the values, such as ``in`` and ``len``. :ghsa:`68rp-wp8r-4726`
diff --git a/pyproject.toml b/pyproject.toml
index 80c3f3e9..697d2077 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "Flask"
-version = "3.1.3.dev"
+version = "3.1.3"
 description = "A simple framework for building complex web applications."
 readme = "README.md"
 license = "BSD-3-Clause"
diff --git a/uv.lock b/uv.lock
index 49348a87..6d5e07e2 100644
--- a/uv.lock
+++ b/uv.lock
@@ -495,7 +495,7 @@ wheels = [
 
 [[package]]
 name = "flask"
-version = "3.1.3.dev0"
+version = "3.1.3"
 source = { editable = "." }
 dependencies = [
     { name = "blinker" },