diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 16502c3..44b10ef 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1 +1 @@
-{".":"4.0.0"}
+{".":"4.1.0"}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8429a7c..96004e2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [4.1.0](https://github.com/flowcore-io/flowcore-sdk/compare/v4.0.0...v4.1.0) (2026-04-24)
+
+
+### Features
+
+* **data-pathways:** add optional sourceId to SendPumpPulseCommand ([#219](https://github.com/flowcore-io/flowcore-sdk/issues/219)) ([2eee75a](https://github.com/flowcore-io/flowcore-sdk/commit/2eee75a645a0124c7fbe131a108e2215290d0e88))
+
 ## [4.0.0](https://github.com/flowcore-io/flowcore-sdk/compare/v3.3.0...v4.0.0) (2026-04-23)
 
 
diff --git a/deno.json b/deno.json
index 3979ca0..831616f 100644
--- a/deno.json
+++ b/deno.json
@@ -2,7 +2,7 @@
   "$schema": "https://deno.land/x/deno/cli/schemas/config-file.v1.json",
   "name": "@flowcore/sdk",
   "description": "Flowcore SDK",
-  "version": "4.0.0",
+  "version": "4.1.0",
   "license": "MIT",
   "exports": "./src/mod.ts",
   "publish": {