diff --git a/UPSTREAM_PROJECTS.yaml b/UPSTREAM_PROJECTS.yaml
index 14b8032b70..de6efdfb96 100644
--- a/UPSTREAM_PROJECTS.yaml
+++ b/UPSTREAM_PROJECTS.yaml
@@ -39,7 +39,7 @@ projects:
             go_version: "1.21"
       - name: etcdadm-controller
         versions:
-          - tag: v1.0.20
+          - tag: v1.0.21
             go_version: "1.21"
       - name: rolesanywhere-credential-helper
         versions:
diff --git a/projects/aws/etcdadm-controller/ATTRIBUTION.txt b/projects/aws/etcdadm-controller/ATTRIBUTION.txt
index 8b52ae1906..f54bb327fb 100644
--- a/projects/aws/etcdadm-controller/ATTRIBUTION.txt
+++ b/projects/aws/etcdadm-controller/ATTRIBUTION.txt
@@ -2,7 +2,7 @@
 ** github.com/aws/etcdadm-bootstrap-provider; version v1.0.12 --
 https://github.com/aws/etcdadm-bootstrap-provider
 
-** github.com/aws/etcdadm-controller; version v1.0.20 --
+** github.com/aws/etcdadm-controller; version v1.0.21 --
 https://github.com/aws/etcdadm-controller
 
 ** github.com/coreos/go-semver/semver; version v0.3.1 --
diff --git a/projects/aws/etcdadm-controller/CHECKSUMS b/projects/aws/etcdadm-controller/CHECKSUMS
index ff32b585ec..6ec29cfeae 100644
--- a/projects/aws/etcdadm-controller/CHECKSUMS
+++ b/projects/aws/etcdadm-controller/CHECKSUMS
@@ -1,2 +1,2 @@
-fd2e164642575daf05700aa04b770c7db57f26782e38f320136c5780db1f4260  _output/bin/etcdadm-controller/linux-amd64/manager
-d17c1fb3bccdbc92767a281ec16f3248a01d7d65a9a4f5675b7b22dea3771991  _output/bin/etcdadm-controller/linux-arm64/manager
+00c4c11d8ee8ad67589c5bc56fd62d830a3c041dcb57328df9dae9c9145172c6  _output/bin/etcdadm-controller/linux-amd64/manager
+bd66f6edb0f31a39cf0fdf28d92ad2166ee7034c6d6b9211834e113ccf09981c  _output/bin/etcdadm-controller/linux-arm64/manager
diff --git a/projects/aws/etcdadm-controller/GIT_TAG b/projects/aws/etcdadm-controller/GIT_TAG
index 16bc4d280b..4b296b2c25 100644
--- a/projects/aws/etcdadm-controller/GIT_TAG
+++ b/projects/aws/etcdadm-controller/GIT_TAG
@@ -1 +1 @@
-v1.0.20
+v1.0.21
diff --git a/projects/aws/etcdadm-controller/README.md b/projects/aws/etcdadm-controller/README.md
index 6d37a5bb94..aacd73f1c4 100644
--- a/projects/aws/etcdadm-controller/README.md
+++ b/projects/aws/etcdadm-controller/README.md
@@ -1,5 +1,5 @@
 ## **Etcdadm Controller**
-![Version](https://img.shields.io/badge/version-v1.0.20-blue)
+![Version](https://img.shields.io/badge/version-v1.0.21-blue)
 ![Build Status](https://codebuild.us-west-2.amazonaws.com/badges?uuid=eyJlbmNyeXB0ZWREYXRhIjoiUTM2ZGs4R0p2QVVLamxqeW4zWEtPZkI0SXJXcVZGbXNyM3dEZXZTOUYyYUNmdXBmRm14a3NvcTBDMjZvWWFWU2I3RkEzSFVudVhRYWNQZGFuTWdJaWNnPSIsIml2UGFyYW1ldGVyU3BlYyI6IlN1UDBjNGlNbjg0RUxNcXMiLCJtYXRlcmlhbFNldFNlcmlhbCI6MX0%3D&branch=main)
 
 [Etcdadm controller](https://github.com/aws/etcdadm-controller) provides a mechanism for etcd cluster lifecycle management. Features include: