diff --git a/Crashlytics/CHANGELOG.md b/Crashlytics/CHANGELOG.md
index a603c89d07d..777e07cd8b1 100644
--- a/Crashlytics/CHANGELOG.md
+++ b/Crashlytics/CHANGELOG.md
@@ -1,4 +1,4 @@
-# Unreleased
+# 12.1.0
 - [fixed] Do not log using raw print in an internal class. (#15138)
 
 # 12.0.0
diff --git a/FirebaseAuth/CHANGELOG.md b/FirebaseAuth/CHANGELOG.md
index b2bce553f71..a0d6d7a2210 100644
--- a/FirebaseAuth/CHANGELOG.md
+++ b/FirebaseAuth/CHANGELOG.md
@@ -1,4 +1,4 @@
-# Unreleased
+# 12.1.0
 - [fixed] Fix a formatting issue with generated TOTP URLs that prevented them
   from working with the Google Authenticator app. (#15128)
 
diff --git a/Firestore/CHANGELOG.md b/Firestore/CHANGELOG.md
index 5c21cd4c423..628e3afd826 100644
--- a/Firestore/CHANGELOG.md
+++ b/Firestore/CHANGELOG.md
@@ -1,4 +1,4 @@
-# Unreleased
+# 12.1.0
 - [fixed] Fixed accidental removal of `pod "Firebase/Firestore"` for tvOS in 12.0.0.
 
 # 11.12.0