diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 46b1b67..3d2ac0b 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.0.0"
+  ".": "0.1.0"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..1d27690
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,8 @@
+# Changelog
+
+## 0.1.0 (2025-09-20)
+
+
+### Features
+
+* create the Cloud SQL for PostgreSQL Extension
diff --git a/gemini-extension.json b/gemini-extension.json
index e73b897..5cfd404 100644
--- a/gemini-extension.json
+++ b/gemini-extension.json
@@ -1,6 +1,6 @@
 {
   "name": "cloud-sql-postgresql",
-  "version": "0.0.0",
+  "version": "0.1.0",
   "description": "Create, connect, and interact with a Cloud SQL for PostgreSQL database and data.",
   "mcpServers": {
     "Cloud SQL for PostgreSQL Admin": {