diff --git a/CHANGELOG.md b/CHANGELOG.md
index 07eb1e156..dc91eaf44 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## master
+## 3.1.1
 
 * Workaround for contact photo bug in InfCloud
 * Redirect GET and HEAD requests under `/.web` to sanitized path
diff --git a/setup.py b/setup.py
index dd6db55f2..9771e5c77 100644
--- a/setup.py
+++ b/setup.py
@@ -43,7 +43,7 @@
 
 # When the version is updated, a new section in the CHANGELOG.md file must be
 # added too.
-VERSION = "3.1.0"
+VERSION = "3.1.1"
 WEB_FILES = ["web/internal_data/css/icon.png",
              "web/internal_data/css/main.css",
              "web/internal_data/fn.js",