diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4d54e68d..a60bf5c8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+0.18.0
+------
+#### Changes
+- Always floor coverage instead of rounding (#310).
+  - **Note:** If you want to keep the previous rounding behavior, please check the `floor_coverage` option.
+    - https://github.com/parroty/excoveralls#coverage-options
+
 0.17.1
 ------
 #### Enhancements
diff --git a/mix.exs b/mix.exs
index 9c3822eb..be232bfa 100644
--- a/mix.exs
+++ b/mix.exs
@@ -6,7 +6,7 @@ defmodule ExCoveralls.Mixfile do
   def project do
     [
       app: :excoveralls,
-      version: "0.17.1",
+      version: "0.18.0",
       elixir: "~> 1.11",
       elixirc_paths: elixirc_paths(Mix.env()),
       deps: deps(),