diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 6c8d0f2..778021a 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -2,7 +2,7 @@
   "packages/adk-plugin": "0.2.0",
   "packages/langchain-data-analysis": "0.2.0",
   "packages/n8n-nodes-daytona": "0.1.3",
-  "packages/pi-extension": "0.191.0",
+  "packages/pi-extension": "0.191.1",
   "packages/opencode-plugin": "0.193.0",
   "packages/pydantic-ai-daytona": "0.1.0"
 }
diff --git a/packages/pi-extension/CHANGELOG.md b/packages/pi-extension/CHANGELOG.md
index 52af6a8..862edf6 100644
--- a/packages/pi-extension/CHANGELOG.md
+++ b/packages/pi-extension/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.191.1](https://github.com/daytona/integrations/compare/pi-extension-v0.191.0...pi-extension-v0.191.1) (2026-09-17)
+
+
+### Bug Fixes
+
+* **pi-extension:** guard before_agent_start against undefined systemPrompt ([#61](https://github.com/daytona/integrations/issues/61)) ([568cbe2](https://github.com/daytona/integrations/commit/568cbe2fe17fffeb09171ed513be4e995c4059cb))
+
 ## [0.191.0](https://github.com/daytona/integrations/compare/pi-extension-v0.190.1...pi-extension-v0.191.0) (2026-07-06)
 
 
diff --git a/packages/pi-extension/package-lock.json b/packages/pi-extension/package-lock.json
index aec1de9..3ebcd0d 100644
--- a/packages/pi-extension/package-lock.json
+++ b/packages/pi-extension/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@daytona/pi",
-  "version": "0.191.0",
+  "version": "0.191.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@daytona/pi",
-      "version": "0.191.0",
+      "version": "0.191.1",
       "license": "Apache-2.0",
       "dependencies": {
         "@daytona/sdk": "^0.184.0"
diff --git a/packages/pi-extension/package.json b/packages/pi-extension/package.json
index 53f66df..751906e 100644
--- a/packages/pi-extension/package.json
+++ b/packages/pi-extension/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@daytona/pi",
-  "version": "0.191.0",
+  "version": "0.191.1",
   "description": "Pi coding agent extension that runs all tool calls inside a remote, ephemeral Daytona sandbox while the agent runs locally",
   "type": "module",
   "repository": {