diff --git a/CHANGELOG.md b/CHANGELOG.md
index e8fede1c3e..172793e337 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,12 +5,15 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+
+## [3.3.3] - 2023-08-11
 ### Changed
 - IRS now calls the entire dataplane URL retrieved from the registry href instead of building it from the URL of the EDC token and the path
 
 ### Fixed
 - Switched to POST for DTR lookup request
 - Added Base64 encoding to identifier for DTR shell-descriptor request 
+- Fixed an issue where IRS did not pass the BPN correctly for the ESS use-case
 
 ## [3.3.2] - 2023-07-31
 ### Fixed
@@ -304,7 +307,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Unresolved
 - **Select Aspects you need**  You are able to select the needed aspects for which you want to collect the correct endpoint information.
 
-[Unreleased]: https://github.com/eclipse-tractusx/item-relationship-service/compare/3.3.2...HEAD
+[Unreleased]: https://github.com/eclipse-tractusx/item-relationship-service/compare/3.3.3...HEAD
+[3.3.3]: https://github.com/eclipse-tractusx/item-relationship-service/compare/3.3.2...3.3.3
 [3.3.2]: https://github.com/eclipse-tractusx/item-relationship-service/compare/3.3.1...3.3.2
 [3.3.1]: https://github.com/eclipse-tractusx/item-relationship-service/compare/3.3.0...3.3.1
 [3.3.0]: https://github.com/eclipse-tractusx/item-relationship-service/compare/3.2.1...3.3.0
diff --git a/charts/irs-helm/CHANGELOG.md b/charts/irs-helm/CHANGELOG.md
index a4ead7f17b..259a38fff4 100644
--- a/charts/irs-helm/CHANGELOG.md
+++ b/charts/irs-helm/CHANGELOG.md
@@ -6,6 +6,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [6.4.1] - 2023-08-11
+### Changed
+- Update IRS version to 3.3.3
+
 ## [6.4.0] - 2023-07-31
 ### Added
 - New option to configure accepted operands for policy checks via `edc.catalog.policies.acceptedRightOperands` and `edc.catalog.policies.acceptedLeftOperands`
diff --git a/local/testing/testdata/CX_Testdata_v1.5.1-AsPlanned.json b/local/testing/testdata/CX_Testdata_v1.5.1-AsPlanned.json
index dc5507d85f..0034667df3 100644
--- a/local/testing/testdata/CX_Testdata_v1.5.1-AsPlanned.json
+++ b/local/testing/testdata/CX_Testdata_v1.5.1-AsPlanned.json
@@ -16,7 +16,7 @@
               "odrl:or": [
                 {
                   "@type": "Constraint",
-                  "odrl:leftOperand": "idsc:PURPOSE",
+                  "odrl:leftOperand": "PURPOSE",
                   "odrl:operator": {
                     "@id": "odrl:eq"
                   },
diff --git a/local/testing/testdata/CX_Testdata_v1.5.3-AsBuilt.json b/local/testing/testdata/CX_Testdata_v1.5.3-AsBuilt.json
index 7b6d8ef910..61fdecc685 100644
--- a/local/testing/testdata/CX_Testdata_v1.5.3-AsBuilt.json
+++ b/local/testing/testdata/CX_Testdata_v1.5.3-AsBuilt.json
@@ -16,7 +16,7 @@
               "odrl:or": [
                 {
                   "@type": "Constraint",
-                  "odrl:leftOperand": "idsc:PURPOSE",
+                  "odrl:leftOperand": "PURPOSE",
                   "odrl:operator": {
                     "@id": "odrl:eq"
                   },