diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6cd4ca0..df0a125 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 1.0.0 (2021-10-27)
+
+Upgrade dependencies: Werkzeug and gevent.
+
 # 0.9.3 (2021-10-27)
 
 Include PID on Talisker logs
diff --git a/setup.py b/setup.py
index 4789e83..206ff6d 100755
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@
 
 setup(
     name="canonicalwebteam.flask-base",
-    version="0.9.3",
+    version="1.0.0",
     description=(
         "Flask extension that applies common configurations"
         "to all of webteam's flask apps."
@@ -22,10 +22,10 @@
     install_requires=[
         "canonicalwebteam.yaml-responses[flask] (>=1,<2)",
         "flask (>=1,<2)",
-        "gevent==21.8.0",
+        "gevent==21.12.0",
         "greenlet==1.1.2",
         "talisker[gunicorn,gevent,flask,prometheus,raven]==0.19.0",
-        "Werkzeug (>=0.15,<0.16)",
+        "Werkzeug (>=1.0.0, <1.2)",
     ],
     dependency_links=[],
     include_package_data=True,