diff --git a/CHANGELOG.md b/CHANGELOG.md
index c332666..28442b0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## unreleased
 
+## 0.8.2 - 2021-12-01
+
 ### Added
 
  - Add the root `CMakeLists.txt` to be able to use CMake with [`FetchContent`] or [`add_subdirectory`].
diff --git a/interface99.h b/interface99.h
index f8c9008..05a77e6 100644
--- a/interface99.h
+++ b/interface99.h
@@ -29,8 +29,8 @@ SOFTWARE.
 
 #include <metalang99.h>
 
-#if !ML99_VERSION_COMPATIBLE(1, 12, 0)
-#error Please, update Metalang99 to v1.12.0 or later.
+#if !ML99_VERSION_COMPATIBLE(1, 13, 0)
+#error Please, update Metalang99 to v1.13.0 or later.
 #endif
 
 #ifndef IFACE99_NO_ALIASES
@@ -81,7 +81,7 @@ SOFTWARE.
 
 #define IFACE99_MAJOR 0
 #define IFACE99_MINOR 8
-#define IFACE99_PATCH 1
+#define IFACE99_PATCH 2
 // } (Public stuff)
 
 // Interface generation {