diff --git a/.yarn/versions/307bc8de.yml b/.yarn/versions/307bc8de.yml
new file mode 100644
index 0000000..3fafb72
--- /dev/null
+++ b/.yarn/versions/307bc8de.yml
@@ -0,0 +1,2 @@
+releases:
+  theme-party: patch
diff --git a/README.md b/README.md
index d3fb493..81e816d 100644
--- a/README.md
+++ b/README.md
@@ -157,3 +157,14 @@ function Page() {
   );
 }
 ```
+
+## Releasing
+
+In pull request branch, run
+
+```
+yarn version [patch|minor|major] --deferred
+```
+
+and commit yarn version file. When PR is merged, the package version will
+be updated accordingly. See [Yarn Release Workflow](https://yarnpkg.com/features/release-workflow) for more details.
diff --git a/src/index.ts b/src/index.ts
index 9de23d5..0b0b80f 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -3,3 +3,4 @@ export { costumed } from "./react/costumed";
 export { ThemeProvider } from "./react/ThemeProvider";
 export { useTheme } from "./react/useTheme";
 export { UserTheme } from "./types";
+export { ThemeExtract } from './ThemeParty.types';