diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 04e204f2e..2679d57f2 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.2.20"
+  ".": "0.2.21"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6591d354e..ea99da9f3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,19 @@
 # Changelog
 
+## [0.2.21](https://github.com/salesforce/multicloudj/compare/multicloudj-v0.2.20...multicloudj-v0.2.21) (2025-12-19)
+
+
+### Blob Store
+
+* onboard GCS native Multipart Upload ([#228](https://github.com/salesforce/multicloudj/issues/228)) ([8193069](https://github.com/salesforce/multicloudj/commit/819306958fb32d5296b5a44b3aef78e21aab6454))
+* Upgrade the google-cloud-storage version to v2.60.0 ([#211](https://github.com/salesforce/multicloudj/issues/211)) ([fcb0943](https://github.com/salesforce/multicloudj/commit/fcb09437f87fb95bd09fad7e89ebaf7b819397c3))
+
+
+### IAM
+
+* add conformance tests for IAM Identity Management APIs for GCP ([#186](https://github.com/salesforce/multicloudj/issues/186)) ([3a5f83c](https://github.com/salesforce/multicloudj/commit/3a5f83cbd4d9740be77417b3da460109a1d12872))
+* getInlinePolicyDetails API(GCP) ([#163](https://github.com/salesforce/multicloudj/issues/163)) ([5472da6](https://github.com/salesforce/multicloudj/commit/5472da6ce2ea0fb6d2cc6b7f2574619726e51d9e))
+
 ## [0.2.20](https://github.com/salesforce/multicloudj/compare/multicloudj-v0.2.19...multicloudj-v0.2.20) (2025-12-15)
 
 
diff --git a/blob/blob-ali/pom.xml b/blob/blob-ali/pom.xml
index 983811062..d3ce7c3fa 100644
--- a/blob/blob-ali/pom.xml
+++ b/blob/blob-ali/pom.xml
@@ -9,7 +9,7 @@
     <parent>
         <groupId>com.salesforce.multicloudj</groupId>
         <artifactId>blob</artifactId>
-        <version>0.2.21-SNAPSHOT</version>
+        <version>0.2.21</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/blob/blob-aws/pom.xml b/blob/blob-aws/pom.xml
index 8d7144a16..408864a82 100644
--- a/blob/blob-aws/pom.xml
+++ b/blob/blob-aws/pom.xml
@@ -9,7 +9,7 @@
     <parent>
         <groupId>com.salesforce.multicloudj</groupId>
         <artifactId>blob</artifactId>
-        <version>0.2.21-SNAPSHOT</version>
+        <version>0.2.21</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/blob/blob-client/pom.xml b/blob/blob-client/pom.xml
index 109f2c273..97e887021 100644
--- a/blob/blob-client/pom.xml
+++ b/blob/blob-client/pom.xml
@@ -9,7 +9,7 @@
     <parent>
         <groupId>com.salesforce.multicloudj</groupId>
         <artifactId>blob</artifactId>
-        <version>0.2.21-SNAPSHOT</version>
+        <version>0.2.21</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/blob/blob-gcp/pom.xml b/blob/blob-gcp/pom.xml
index d7bca37cf..b0c2ac4fb 100644
--- a/blob/blob-gcp/pom.xml
+++ b/blob/blob-gcp/pom.xml
@@ -9,7 +9,7 @@
     <parent>
         <groupId>com.salesforce.multicloudj</groupId>
         <artifactId>blob</artifactId>
-        <version>0.2.21-SNAPSHOT</version>
+        <version>0.2.21</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/blob/pom.xml b/blob/pom.xml
index 95cbe78fe..fb425cdc1 100644
--- a/blob/pom.xml
+++ b/blob/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.salesforce.multicloudj</groupId>
         <artifactId>multicloudj-parent</artifactId>
-        <version>0.2.21-SNAPSHOT</version>
+        <version>0.2.21</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>blob</artifactId>
diff --git a/coverage-report/pom.xml b/coverage-report/pom.xml
index e7a20856f..23403177f 100644
--- a/coverage-report/pom.xml
+++ b/coverage-report/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.salesforce.multicloudj</groupId>
         <artifactId>multicloudj-parent</artifactId>
-        <version>0.2.21-SNAPSHOT</version>
+        <version>0.2.21</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/docstore/docstore-ali/pom.xml b/docstore/docstore-ali/pom.xml
index 18eb9676c..a5312d9a4 100644
--- a/docstore/docstore-ali/pom.xml
+++ b/docstore/docstore-ali/pom.xml
@@ -9,7 +9,7 @@
     <parent>
         <groupId>com.salesforce.multicloudj</groupId>
         <artifactId>docstore</artifactId>
-        <version>0.2.21-SNAPSHOT</version>
+        <version>0.2.21</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/docstore/docstore-aws/pom.xml b/docstore/docstore-aws/pom.xml
index e1296a34b..6af6ab913 100644
--- a/docstore/docstore-aws/pom.xml
+++ b/docstore/docstore-aws/pom.xml
@@ -9,7 +9,7 @@
     <parent>
         <groupId>com.salesforce.multicloudj</groupId>
         <artifactId>docstore</artifactId>
-        <version>0.2.21-SNAPSHOT</version>
+        <version>0.2.21</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/docstore/docstore-client/pom.xml b/docstore/docstore-client/pom.xml
index d40ff711f..744c9f68a 100644
--- a/docstore/docstore-client/pom.xml
+++ b/docstore/docstore-client/pom.xml
@@ -9,7 +9,7 @@
     <parent>
         <groupId>com.salesforce.multicloudj</groupId>
         <artifactId>docstore</artifactId>
-        <version>0.2.21-SNAPSHOT</version>
+        <version>0.2.21</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/docstore/docstore-gcp-firestore/pom.xml b/docstore/docstore-gcp-firestore/pom.xml
index 32b49d21b..297423bfb 100644
--- a/docstore/docstore-gcp-firestore/pom.xml
+++ b/docstore/docstore-gcp-firestore/pom.xml
@@ -9,7 +9,7 @@
     <parent>
         <groupId>com.salesforce.multicloudj</groupId>
         <artifactId>docstore</artifactId>
-        <version>0.2.21-SNAPSHOT</version>
+        <version>0.2.21</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/docstore/docstore-gcp-spanner/pom.xml b/docstore/docstore-gcp-spanner/pom.xml
index 409f61af9..7a04b0b0b 100644
--- a/docstore/docstore-gcp-spanner/pom.xml
+++ b/docstore/docstore-gcp-spanner/pom.xml
@@ -9,7 +9,7 @@
     <parent>
         <groupId>com.salesforce.multicloudj</groupId>
         <artifactId>docstore</artifactId>
-        <version>0.2.21-SNAPSHOT</version>
+        <version>0.2.21</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/docstore/pom.xml b/docstore/pom.xml
index 7714cd867..4297923bb 100644
--- a/docstore/pom.xml
+++ b/docstore/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.salesforce.multicloudj</groupId>
         <artifactId>multicloudj-parent</artifactId>
-        <version>0.2.21-SNAPSHOT</version>
+        <version>0.2.21</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>docstore</artifactId>
diff --git a/examples/pom.xml b/examples/pom.xml
index 4cd9b519b..59076fc8c 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.salesforce.multicloudj</groupId>
         <artifactId>multicloudj-parent</artifactId>
-        <version>0.2.21-SNAPSHOT</version>
+        <version>0.2.21</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>multicloudj-examples</artifactId>
diff --git a/iam/iam-client/pom.xml b/iam/iam-client/pom.xml
index 7a29424bc..856a81412 100644
--- a/iam/iam-client/pom.xml
+++ b/iam/iam-client/pom.xml
@@ -9,7 +9,7 @@
     <parent>
         <groupId>com.salesforce.multicloudj</groupId>
         <artifactId>iam</artifactId>
-        <version>0.2.21-SNAPSHOT</version>
+        <version>0.2.21</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/iam/iam-gcp/pom.xml b/iam/iam-gcp/pom.xml
index d74ea6c06..8aa155016 100644
--- a/iam/iam-gcp/pom.xml
+++ b/iam/iam-gcp/pom.xml
@@ -9,7 +9,7 @@
     <parent>
         <groupId>com.salesforce.multicloudj</groupId>
         <artifactId>iam</artifactId>
-        <version>0.2.21-SNAPSHOT</version>
+        <version>0.2.21</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/iam/pom.xml b/iam/pom.xml
index 0fb7993bb..5282e9345 100644
--- a/iam/pom.xml
+++ b/iam/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.salesforce.multicloudj</groupId>
         <artifactId>multicloudj-parent</artifactId>
-        <version>0.2.21-SNAPSHOT</version>
+        <version>0.2.21</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>iam</artifactId>
diff --git a/multicloudj-common-ali/pom.xml b/multicloudj-common-ali/pom.xml
index f5e65a55b..cd477e053 100644
--- a/multicloudj-common-ali/pom.xml
+++ b/multicloudj-common-ali/pom.xml
@@ -9,7 +9,7 @@
     <parent>
         <groupId>com.salesforce.multicloudj</groupId>
         <artifactId>multicloudj-parent</artifactId>
-        <version>0.2.21-SNAPSHOT</version>
+        <version>0.2.21</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/multicloudj-common-aws/pom.xml b/multicloudj-common-aws/pom.xml
index f5cb73e9c..06f53fed1 100644
--- a/multicloudj-common-aws/pom.xml
+++ b/multicloudj-common-aws/pom.xml
@@ -9,7 +9,7 @@
     <parent>
         <groupId>com.salesforce.multicloudj</groupId>
         <artifactId>multicloudj-parent</artifactId>
-        <version>0.2.21-SNAPSHOT</version>
+        <version>0.2.21</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/multicloudj-common-gcp/pom.xml b/multicloudj-common-gcp/pom.xml
index 2c156cd5c..b3441e6f9 100644
--- a/multicloudj-common-gcp/pom.xml
+++ b/multicloudj-common-gcp/pom.xml
@@ -9,7 +9,7 @@
     <parent>
         <groupId>com.salesforce.multicloudj</groupId>
         <artifactId>multicloudj-parent</artifactId>
-        <version>0.2.21-SNAPSHOT</version>
+        <version>0.2.21</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/multicloudj-common/pom.xml b/multicloudj-common/pom.xml
index 8e18ed3f8..6b4a8079d 100644
--- a/multicloudj-common/pom.xml
+++ b/multicloudj-common/pom.xml
@@ -10,7 +10,7 @@
     <parent>
         <groupId>com.salesforce.multicloudj</groupId>
         <artifactId>multicloudj-parent</artifactId>
-        <version>0.2.21-SNAPSHOT</version>
+        <version>0.2.21</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/pom.xml b/pom.xml
index 5f21acfbb..b609696b3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
     <artifactId>multicloudj-parent</artifactId>
     <packaging>pom</packaging>
     <description>Salesforce Multi-substrate Java SDK</description>
-    <version>0.2.21-SNAPSHOT</version>
+    <version>0.2.21</version>
     <name>multicloudj</name>
     <url>https://github.com/salesforce/multicloudj</url>
 
diff --git a/pubsub/pom.xml b/pubsub/pom.xml
index 1e2b0df54..1b4b9ead9 100644
--- a/pubsub/pom.xml
+++ b/pubsub/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.salesforce.multicloudj</groupId>
         <artifactId>multicloudj-parent</artifactId>
-        <version>0.2.21-SNAPSHOT</version>
+        <version>0.2.21</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>pubsub</artifactId>
diff --git a/pubsub/pubsub-aws/pom.xml b/pubsub/pubsub-aws/pom.xml
index 227d6e6ca..19059c703 100644
--- a/pubsub/pubsub-aws/pom.xml
+++ b/pubsub/pubsub-aws/pom.xml
@@ -9,7 +9,7 @@
     <parent>
         <groupId>com.salesforce.multicloudj</groupId>
         <artifactId>pubsub</artifactId>
-        <version>0.2.21-SNAPSHOT</version>
+        <version>0.2.21</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/pubsub/pubsub-client/pom.xml b/pubsub/pubsub-client/pom.xml
index a3a98a0da..0f985d7a1 100644
--- a/pubsub/pubsub-client/pom.xml
+++ b/pubsub/pubsub-client/pom.xml
@@ -9,7 +9,7 @@
     <parent>
         <groupId>com.salesforce.multicloudj</groupId>
         <artifactId>pubsub</artifactId>
-        <version>0.2.21-SNAPSHOT</version>
+        <version>0.2.21</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/pubsub/pubsub-gcp/pom.xml b/pubsub/pubsub-gcp/pom.xml
index d25e75efd..554fb4311 100644
--- a/pubsub/pubsub-gcp/pom.xml
+++ b/pubsub/pubsub-gcp/pom.xml
@@ -9,7 +9,7 @@
     <parent>
         <groupId>com.salesforce.multicloudj</groupId>
         <artifactId>pubsub</artifactId>
-        <version>0.2.21-SNAPSHOT</version>
+        <version>0.2.21</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/sts/pom.xml b/sts/pom.xml
index 0d7e15adc..0c1a4f972 100644
--- a/sts/pom.xml
+++ b/sts/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.salesforce.multicloudj</groupId>
         <artifactId>multicloudj-parent</artifactId>
-        <version>0.2.21-SNAPSHOT</version>
+        <version>0.2.21</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>sts</artifactId>
diff --git a/sts/sts-ali/pom.xml b/sts/sts-ali/pom.xml
index faa49e237..cd7583f39 100644
--- a/sts/sts-ali/pom.xml
+++ b/sts/sts-ali/pom.xml
@@ -9,7 +9,7 @@
     <parent>
         <groupId>com.salesforce.multicloudj</groupId>
         <artifactId>sts</artifactId>
-        <version>0.2.21-SNAPSHOT</version>
+        <version>0.2.21</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/sts/sts-aws/pom.xml b/sts/sts-aws/pom.xml
index 44b297a9f..7b18a8fa6 100644
--- a/sts/sts-aws/pom.xml
+++ b/sts/sts-aws/pom.xml
@@ -9,7 +9,7 @@
     <parent>
         <groupId>com.salesforce.multicloudj</groupId>
         <artifactId>sts</artifactId>
-        <version>0.2.21-SNAPSHOT</version>
+        <version>0.2.21</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/sts/sts-client/pom.xml b/sts/sts-client/pom.xml
index 0b92e4c42..dfd5e1825 100644
--- a/sts/sts-client/pom.xml
+++ b/sts/sts-client/pom.xml
@@ -9,7 +9,7 @@
     <parent>
         <groupId>com.salesforce.multicloudj</groupId>
         <artifactId>sts</artifactId>
-        <version>0.2.21-SNAPSHOT</version>
+        <version>0.2.21</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/sts/sts-gcp/pom.xml b/sts/sts-gcp/pom.xml
index 0e89a363a..f3a480652 100644
--- a/sts/sts-gcp/pom.xml
+++ b/sts/sts-gcp/pom.xml
@@ -10,7 +10,7 @@
     <parent>
         <groupId>com.salesforce.multicloudj</groupId>
         <artifactId>sts</artifactId>
-        <version>0.2.21-SNAPSHOT</version>
+        <version>0.2.21</version>
         <relativePath>../pom.xml</relativePath>
     </parent>