diff --git a/aws-c-common.changes b/aws-c-common.changes
index 8c93473..e6af1e5 100644
--- a/aws-c-common.changes
+++ b/aws-c-common.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Tue Jun 11 07:27:41 UTC 2024 - John Paul Adrian Glaubitz <adrian.glaubitz@suse.com>
+
+- Update to version 0.9.21
+  * Fix memtracer bad assumptions on the size of stack trace
+    by @DmitriyMusatkin in (#1122)
+  * Disable optimization was not working by @TingDaoK in (#1123)
+
 -------------------------------------------------------------------
 Wed Jun  5 09:45:21 UTC 2024 - John Paul Adrian Glaubitz <adrian.glaubitz@suse.com>
 
diff --git a/aws-c-common.spec b/aws-c-common.spec
index 7e81100..402deca 100644
--- a/aws-c-common.spec
+++ b/aws-c-common.spec
@@ -19,7 +19,7 @@
 %define library_version 1.0.0
 %define library_soversion 1
 Name:           aws-c-common
-Version:        0.9.20
+Version:        0.9.21
 Release:        0
 Summary:        Core C99 package for AWS SDK for C
 License:        Apache-2.0
diff --git a/v0.9.20.tar.gz b/v0.9.20.tar.gz
deleted file mode 100644
index 407a4a8..0000000
--- a/v0.9.20.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:e2f696627485f7c534a25add6dfd7807b5baaad2b95c6f0fb05d92735f2644c3
-size 556001
diff --git a/v0.9.21.tar.gz b/v0.9.21.tar.gz
new file mode 100644
index 0000000..a909c44
--- /dev/null
+++ b/v0.9.21.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e831adaa2d203218e627b3b43e30bcb628a480618f42f86f585a172839234e68
+size 556353