diff --git a/effectful-core/CHANGELOG.md b/effectful-core/CHANGELOG.md
index 9ad0a0f..d1b84f1 100644
--- a/effectful-core/CHANGELOG.md
+++ b/effectful-core/CHANGELOG.md
@@ -1,4 +1,4 @@
-# effectful-core-2.7.1.0 (2026-??-??)
+# effectful-core-2.7.1.0 (2026-08-24)
 * Export `seqForkUnliftIO` and add `unsafeSeqForkUnliftIO` in
   `Effectful.Dispatch.Static` for the `SeqForkUnlift` strategy.
 * Export `type (++)` from `Effectful.Dispatch.Dynamic`.
diff --git a/effectful/CHANGELOG.md b/effectful/CHANGELOG.md
index cb1f4df..a211b56 100644
--- a/effectful/CHANGELOG.md
+++ b/effectful/CHANGELOG.md
@@ -1,4 +1,4 @@
-# effectful-2.7.1.0 (2026-??-??)
+# effectful-2.7.1.0 (2026-08-24)
 * Re-export `Effectful.Labeled.Provider` and `Effectful.Labeled.Provider.List`
   from `effectful-core`.
 * Export `seqForkUnliftIO` and add `unsafeSeqForkUnliftIO` in