diff --git a/CHANGELOG.md b/CHANGELOG.md
index 92d9ed8..383ec8e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## v1.13.1
+
+- Upgrade specinfra [from v2.82.25 to v2.83.3](https://github.com/mizzy/specinfra/compare/v2.82.25...v2.83.3)
+
 ## v1.13.0
 
 - `local_ruby_block` executes `code` under `cwd` if it's present
diff --git a/mrblib/mitamae/version.rb b/mrblib/mitamae/version.rb
index e650927..30326df 100644
--- a/mrblib/mitamae/version.rb
+++ b/mrblib/mitamae/version.rb
@@ -1,3 +1,3 @@
 module MItamae
-  VERSION = '1.13.0'
+  VERSION = '1.13.1'
 end