diff --git a/CHANGELOG.md b/CHANGELOG.md
index 29a2f6e..9398373 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,13 @@
+## 0.13.0
+
+Bugfixes:
+
+ * Fixed submodule link to yaml-test-suite.
+
+Features:
+
+ * Added support for `Option` type.
+
 ## 0.12.0
 
 Bugfixes:
diff --git a/yaml.nimble b/yaml.nimble
index 0282a10..ba89625 100644
--- a/yaml.nimble
+++ b/yaml.nimble
@@ -1,6 +1,6 @@
 # Package
 
-version       = "0.12.0"
+version       = "0.13.0"
 author        = "Felix Krause"
 description   = "YAML 1.2 implementation for Nim"
 license       = "MIT"
@@ -8,4 +8,4 @@ skipDirs      = @["bench", "doc", "server", "test", "tools"]
 
 # Dependencies
 
-requires "nim >= 0.20.2"
+requires "nim >= 1.0.0"