diff --git a/data-protocols/data-plane-signaling/data-plane-signaling-core/src/main/java/org/eclipse/edc/signaling/domain/DataFlowPrepareMessage.java b/data-protocols/data-plane-signaling/data-plane-signaling-core/src/main/java/org/eclipse/edc/signaling/domain/DataFlowPrepareMessage.java
index 5a634a91d7e..d6e3d000816 100644
--- a/data-protocols/data-plane-signaling/data-plane-signaling-core/src/main/java/org/eclipse/edc/signaling/domain/DataFlowPrepareMessage.java
+++ b/data-protocols/data-plane-signaling/data-plane-signaling-core/src/main/java/org/eclipse/edc/signaling/domain/DataFlowPrepareMessage.java
@@ -23,7 +23,7 @@ public final class DataFlowPrepareMessage {
     private String participantId;
     private String counterPartyId;
     private String dataspaceContext;
-    private String processId;
+    private String dataFlowId;
     private String agreementId;
     private String datasetId;
     private URI callbackAddress;
@@ -51,8 +51,8 @@ public String getDataspaceContext() {
         return dataspaceContext;
     }
 
-    public String getProcessId() {
-        return processId;
+    public String getDataFlowId() {
+        return dataFlowId;
     }
 
     public String getAgreementId() {
@@ -119,8 +119,8 @@ public Builder dataspaceContext(String dataspaceContext) {
             return this;
         }
 
-        public Builder processId(String processId) {
-            instance.processId = processId;
+        public Builder dataFlowId(String processId) {
+            instance.dataFlowId = processId;
             return this;
         }
 
diff --git a/data-protocols/data-plane-signaling/data-plane-signaling-core/src/main/java/org/eclipse/edc/signaling/domain/DataFlowStartMessage.java b/data-protocols/data-plane-signaling/data-plane-signaling-core/src/main/java/org/eclipse/edc/signaling/domain/DataFlowStartMessage.java
index 6252db1b52e..29ed64a505b 100644
--- a/data-protocols/data-plane-signaling/data-plane-signaling-core/src/main/java/org/eclipse/edc/signaling/domain/DataFlowStartMessage.java
+++ b/data-protocols/data-plane-signaling/data-plane-signaling-core/src/main/java/org/eclipse/edc/signaling/domain/DataFlowStartMessage.java
@@ -26,7 +26,7 @@ public final class DataFlowStartMessage {
     private String participantId;
     private String counterPartyId;
     private String dataspaceContext;
-    private String processId;
+    private String dataFlowId;
     private String agreementId;
     private String datasetId;
     private URI callbackAddress;
@@ -56,8 +56,8 @@ public String getDataspaceContext() {
         return dataspaceContext;
     }
 
-    public String getProcessId() {
-        return processId;
+    public String getDataFlowId() {
+        return dataFlowId;
     }
 
     public String getAgreementId() {
@@ -128,8 +128,8 @@ public Builder dataspaceContext(String dataspaceContext) {
             return this;
         }
 
-        public Builder processId(String processId) {
-            instance.processId = processId;
+        public Builder dataFlowId(String processId) {
+            instance.dataFlowId = processId;
             return this;
         }
 
diff --git a/data-protocols/data-plane-signaling/data-plane-signaling-core/src/main/java/org/eclipse/edc/signaling/logic/DataPlaneSignalingFlowController.java b/data-protocols/data-plane-signaling/data-plane-signaling-core/src/main/java/org/eclipse/edc/signaling/logic/DataPlaneSignalingFlowController.java
index b4cd0f1a92c..e66b47f15d9 100644
--- a/data-protocols/data-plane-signaling/data-plane-signaling-core/src/main/java/org/eclipse/edc/signaling/logic/DataPlaneSignalingFlowController.java
+++ b/data-protocols/data-plane-signaling/data-plane-signaling-core/src/main/java/org/eclipse/edc/signaling/logic/DataPlaneSignalingFlowController.java
@@ -88,7 +88,7 @@ public StatusResult<DataFlowResponse> prepare(TransferProcess transferProcess, P
                 .participantId(policy.getAssignee())
                 .counterPartyId(policy.getAssigner())
                 .dataspaceContext(transferProcess.getProtocol())
-                .processId(transferProcess.getId())
+                .dataFlowId(transferProcess.getId())
                 .agreementId(transferProcess.getContractId())
                 .datasetId(transferProcess.getAssetId())
                 .profile(transferProcess.getTransferType())
@@ -122,7 +122,7 @@ public StatusResult<DataFlowResponse> prepare(TransferProcess transferProcess, P
                 .participantId(policy.getAssigner())
                 .counterPartyId(policy.getAssignee())
                 .dataspaceContext(transferProcess.getProtocol())
-                .processId(transferProcess.getId())
+                .dataFlowId(transferProcess.getId())
                 .agreementId(transferProcess.getContractId())
                 .datasetId(transferProcess.getAssetId())
                 .profile(transferProcess.getTransferType())
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index e05d1113d24..8dc854f6c0a 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -9,7 +9,7 @@ atomikos = "6.0.1"
 awaitility = "4.2.2"
 bouncyCastle-jdk18on = "1.84"
 cloudEvents = "5.0.0"
-dataplane-sdk = "1.0.0"
+dataplane-sdk = "1.1.0"
 edc = "0.19.0-SNAPSHOT"
 failsafe = "3.3.2"
 h2 = "2.4.240"
@@ -113,7 +113,7 @@ nats = { module = "io.nats:jnats", version = "2.26.2" }
 
 dcp-tck = { module = "org.eclipse.dataspacetck.dcp:dcp-tck", version = "1.0.2" }
 dsp-tck = { module = "org.eclipse.dataspacetck.dsp:dsp-tck", version = "1.0.1" }
-dps-tck = { module = "org.eclipse.dataspacetck.dps:dps-tck", version = "1.2.0" }
+dps-tck = { module = "org.eclipse.dataspacetck.dps:dps-tck", version = "1.3.0" }
 
 [bundles]
 jackson = ["jackson-annotations", "jackson-databind"]