CHANGELOG.md in govuk_app_config-1.14.0 vs CHANGELOG.md in govuk_app_config-1.15.0

@@ -1,4 +1,9 @@
+# 1.15.0
+
+* Allow configuring the unicorn timeout through the `UNICORN_TIMEOUT`
+  environment variable (default: 60).
+
 # 1.14.0
 
 * Add content security policy support.
 
 # 1.13.1