diff --git a/ChangeLog b/ChangeLog
index 2294334d..57354a1c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,20 @@
+openal-soft-1.21.1:
+
+    Improved alext.h's detection of standard types.
+
+    Improved slightly the local source position when the listener and source
+    are near each other.
+
+    Fixed compilation for Windows ARM targets with MSVC.
+
+    Fixed ARM NEON detection on Windows.
+
+    Fixed CoreAudio capture when the requested sample rate doesn't match the
+    system configuration.
+
+    Fixed sources missing a batch update when applied after quickly restarting
+    the source.
+
 openal-soft-1.21.0:
 
     Updated library codebase to C++14.