diff --git a/CHANGELOG.md b/CHANGELOG.md
index c0305b0..948a1fe 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## Unreleased
 
-## [1.1.0] - 2021-04-01
+## [1.1.0] - 2021-04-02
 
 ### Added
 
diff --git a/README.md b/README.md
index 0b69303..37fce9c 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,15 @@ def deps do
 end
 ```
 
+## Versions and Support
+
+Version 2.0 does not support Elixir 1.10 anymore. However, for now all functionality is backported to version 1.x.
+
+| Ymlr Version | Supported Elixir Version |
+|:-------------:|:-------------:|
+| ~> 2.0 | ~> 1.11 |
+| ~> 1.0 | ~> 1.10 |
+
 ## Examples
 
 ### Encode a single document - optionally with comments: