chore(main): release 2.21.1

Author: release-please[bot]

CHANGELOG.md

@@ -1,5 +1,14 @@
 # Changelog
 
+## [2.21.1](https://github.com/GoogleCloudPlatform/cloud-sql-proxy/compare/v2.21.0...v2.21.1) (2026-02-18)
+
+
+### Bug Fixes
+
+* Correctly set the credentials token source and the WithIAMAuthN opt ([#2544](https://github.com/GoogleCloudPlatform/cloud-sql-proxy/issues/2544)) ([5b14b6a](https://github.com/GoogleCloudPlatform/cloud-sql-proxy/commit/5b14b6af0226758b04555394b6bf08c15efbdcdf)), closes [#2542](https://github.com/GoogleCloudPlatform/cloud-sql-proxy/issues/2542)
+* Set the universe domain when using an impersonation chain. ([#2547](https://github.com/GoogleCloudPlatform/cloud-sql-proxy/issues/2547)) ([db8644c](https://github.com/GoogleCloudPlatform/cloud-sql-proxy/commit/db8644c1ceeb598f89104892305b06d13c08d1a3))
+* Update deps Go Connector to version 1.20.1 ([#2555](https://github.com/GoogleCloudPlatform/cloud-sql-proxy/issues/2555)) ([0a98362](https://github.com/GoogleCloudPlatform/cloud-sql-proxy/commit/0a98362f329215a6e1c7e35e422126ce7e0a5daa))
+
 ## [2.21.0](https://github.com/GoogleCloudPlatform/cloud-sql-proxy/compare/v2.20.0...v2.21.0) (2026-01-16)
 
 

README.md

@@ -78,7 +78,7 @@ following instructions for your OS and CPU architecture.
 
 ```sh
 # see Releases for other versions
-URL="https://storage.googleapis.com/cloud-sql-connectors/cloud-sql-proxy/v2.21.0"
+URL="https://storage.googleapis.com/cloud-sql-connectors/cloud-sql-proxy/v2.21.1"
 
 curl "$URL/cloud-sql-proxy.linux.amd64" -o cloud-sql-proxy
 
@@ -92,7 +92,7 @@ chmod +x cloud-sql-proxy
 
 ```sh
 # see Releases for other versions
-URL="https://storage.googleapis.com/cloud-sql-connectors/cloud-sql-proxy/v2.21.0"
+URL="https://storage.googleapis.com/cloud-sql-connectors/cloud-sql-proxy/v2.21.1"
 
 curl "$URL/cloud-sql-proxy.linux.386" -o cloud-sql-proxy
 
@@ -106,7 +106,7 @@ chmod +x cloud-sql-proxy
 
 ```sh
 # see Releases for other versions
-URL="https://storage.googleapis.com/cloud-sql-connectors/cloud-sql-proxy/v2.21.0"
+URL="https://storage.googleapis.com/cloud-sql-connectors/cloud-sql-proxy/v2.21.1"
 
 curl "$URL/cloud-sql-proxy.linux.arm64" -o cloud-sql-proxy
 
@@ -120,7 +120,7 @@ chmod +x cloud-sql-proxy
 
 ```sh
 # see Releases for other versions
-URL="https://storage.googleapis.com/cloud-sql-connectors/cloud-sql-proxy/v2.21.0"
+URL="https://storage.googleapis.com/cloud-sql-connectors/cloud-sql-proxy/v2.21.1"
 
 curl "$URL/cloud-sql-proxy.linux.arm" -o cloud-sql-proxy
 
@@ -134,7 +134,7 @@ chmod +x cloud-sql-proxy
 
 ```sh
 # see Releases for other versions
-URL="https://storage.googleapis.com/cloud-sql-connectors/cloud-sql-proxy/v2.21.0"
+URL="https://storage.googleapis.com/cloud-sql-connectors/cloud-sql-proxy/v2.21.1"
 
 curl "$URL/cloud-sql-proxy.darwin.amd64" -o cloud-sql-proxy
 
@@ -148,7 +148,7 @@ chmod +x cloud-sql-proxy
 
 ```sh
 # see Releases for other versions
-URL="https://storage.googleapis.com/cloud-sql-connectors/cloud-sql-proxy/v2.21.0"
+URL="https://storage.googleapis.com/cloud-sql-connectors/cloud-sql-proxy/v2.21.1"
 
 curl "$URL/cloud-sql-proxy.darwin.arm64" -o cloud-sql-proxy
 
@@ -162,7 +162,7 @@ chmod +x cloud-sql-proxy
 
 ```sh
 # see Releases for other versions
-curl https://storage.googleapis.com/cloud-sql-connectors/cloud-sql-proxy/v2.21.0/cloud-sql-proxy.x64.exe -o cloud-sql-proxy.exe
+curl https://storage.googleapis.com/cloud-sql-connectors/cloud-sql-proxy/v2.21.1/cloud-sql-proxy.x64.exe -o cloud-sql-proxy.exe
 ```
 
 </details>
@@ -172,7 +172,7 @@ curl https://storage.googleapis.com/cloud-sql-connectors/cloud-sql-proxy/v2.21.0
 
 ```sh
 # see Releases for other versions
-curl https://storage.googleapis.com/cloud-sql-connectors/cloud-sql-proxy/v2.21.0/cloud-sql-proxy.x86.exe -o cloud-sql-proxy.exe
+curl https://storage.googleapis.com/cloud-sql-connectors/cloud-sql-proxy/v2.21.1/cloud-sql-proxy.x86.exe -o cloud-sql-proxy.exe
 ```
 
 </details>
@@ -597,13 +597,13 @@ currently supported:
 
 <!-- {x-release-please-start-version} -->
 The `$VERSION` is the Proxy version without the leading "v" (e.g.,
-`2.21.0`).
+`2.21.1`).
 
 For example, to pull a particular version, use a command like:
 
 ``` shell
-# $VERSION is 2.21.0
-docker pull gcr.io/cloud-sql-connectors/cloud-sql-proxy:2.21.0
+# $VERSION is 2.21.1
+docker pull gcr.io/cloud-sql-connectors/cloud-sql-proxy:2.21.1
 ```
 
 <!-- {x-release-please-end} -->

cmd/root.go

@@ -307,7 +307,7 @@ Third Party Licenses
   To view all licenses for third party dependencies used within this
   distribution please see:
 
-  https://storage.googleapis.com/cloud-sql-connectors/cloud-sql-proxy/v2.21.0/third_party/licenses.tar.gz {x-release-please-version}
+  https://storage.googleapis.com/cloud-sql-connectors/cloud-sql-proxy/v2.21.1/third_party/licenses.tar.gz {x-release-please-version}
 `
 
 var waitHelp = `

cmd/version.txt

@@ -1 +1 @@
-2.21.0
+2.21.1

examples/k8s-health-check/README.md

@@ -172,7 +172,7 @@ for more than 1 minute.
     initContainers:
     - name: cloud-sql-proxy
       restartPolicy: Always
-      image: gcr.io/cloud-sql-connectors/cloud-sql-proxy:2.21.0
+      image: gcr.io/cloud-sql-connectors/cloud-sql-proxy:2.21.1
       args:
         # Set the --max-connections flag to 50
         - "--max-connections"

examples/k8s-service/README.md

@@ -174,7 +174,7 @@ For the PgBouncer deployment, we add the proxy as a sidecar, starting it on port
 initContainers:
 - name: cloud-sql-proxy
   restartPolicy: Always
-  image: gcr.io/cloud-sql-connectors/cloud-sql-proxy:2.21.0  # make sure to use the latest version
+  image: gcr.io/cloud-sql-connectors/cloud-sql-proxy:2.21.1  # make sure to use the latest version
   args:
     # Replace DB_PORT with the port the proxy should listen on
     - "--port=<DB_PORT>"

examples/k8s-sidecar/README.md

@@ -185,7 +185,7 @@ as a separate service for several reasons:
       restartPolicy: Always
       # It is recommended to use the latest version of the Cloud SQL Auth Proxy
       # Make sure to update on a regular schedule!
-      image: gcr.io/cloud-sql-connectors/cloud-sql-proxy:2.21.0  # make sure to use the latest version
+      image: gcr.io/cloud-sql-connectors/cloud-sql-proxy:2.21.1  # make sure to use the latest version
       args:
         # If connecting from a VPC-native GKE cluster, you can use the
         # following flag to have the proxy connect over private IP