diff --git a/.changeset/four-terms-give.md b/.changeset/four-terms-give.md
new file mode 100644
index 0000000..4e77e8d
--- /dev/null
+++ b/.changeset/four-terms-give.md
@@ -0,0 +1,5 @@
+---
+'earwurm': patch
+---
+
+Export types for LibraryEntry and LibraryKeys.
diff --git a/src/index.ts b/src/index.ts
index 456c0a3..6411f27 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -6,6 +6,8 @@ export type {
   ManagerState,
   ManagerEventMap,
   ManagerConfig,
+  LibraryEntry,
+  LibraryKeys,
   StackState,
   StackEventMap,
   StackConfig,