diff --git a/README.md b/README.md
index 564068c..edbd682 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@ Or add manually to `package.json`:
 
 ```
 "dependencies": {
-  "@activeadmin-plugins/active_admin_theme": "^3.0.0"
+  "@activeadmin-plugins/active_admin_theme": "^3.1.0"
 }
 ```
 and execute:
@@ -176,8 +176,19 @@ applies it in the others.
 
 ### Upgrading
 
-Two things changed shape in this release and are worth knowing if you already
-set variables:
+#### 3.1.0
+
+* Status tag fills are darker, so the label can be white and still clear 4.5:1 —
+  it was black on mid-tone fills before. Each fill is a variable now
+  (`$skinStatusTagOkColor` and the four beside it), and
+  `$skinStatusTagTextColor: #000000;` restores the old label with the fills
+  you choose.
+* Index-table column headings take `$skinTextColor` rather than a muted grey,
+  so a heading reads as strongly as the column under it.
+
+#### 3.0.0
+
+Three things changed shape and are worth knowing if you already set variables:
 
 * Dropdown panels — the title-bar menu, the batch-actions menu and the
   table-tools menus — now follow the surface palette (`$skinSurfaceColor` and
diff --git a/lib/active_admin_theme/version.rb b/lib/active_admin_theme/version.rb
index b26db68..c459189 100644
--- a/lib/active_admin_theme/version.rb
+++ b/lib/active_admin_theme/version.rb
@@ -1,3 +1,3 @@
 module ActiveAdminTheme
-  VERSION = "3.0.0"
+  VERSION = "3.1.0"
 end
diff --git a/package.json b/package.json
index 55a0eb5..01a42bb 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@activeadmin-plugins/active_admin_theme",
-  "version": "3.0.0",
+  "version": "3.1.0",
   "description": "Flat design for ActiveAdmin",
   "main": "src/active_admin_theme.scss",
   "author": "Igor Fedoronchuk <igor.f@didww.com>",