diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index adf875b..1a2bf0f 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,6 +1,6 @@
 repos:
   - repo: https://github.com/bufbuild/buf
-    rev: v1.68.4
+    rev: v1.71.0
     hooks:
     - id: buf-lint
     - id: buf-format
diff --git a/apis/datasets/v1/core.proto b/apis/datasets/v1/core.proto
index 5dec0ec..eb0a5b9 100644
--- a/apis/datasets/v1/core.proto
+++ b/apis/datasets/v1/core.proto
@@ -1,15 +1,15 @@
 /*
-   Core message type definitions for the Tilebox datasets API.
+ Core message type definitions for the Tilebox datasets API.
 
-   Conventions:
-   - A dataset is a set of data points of the same type.
-   - A single data point (entry) is referred to in all messages as datapoint.
-   - Data points for a single dataset are grouped into collections.
+ Conventions:
+ - A dataset is a set of data points of the same type.
+ - A single data point (entry) is referred to in all messages as datapoint.
+ - Data points for a single dataset are grouped into collections.
 
-   - All time fields use the google.protobuf.Timestamp message type.
+ - All time fields use the google.protobuf.Timestamp message type.
 
-   - When a wrapper message is needed to return a list of a given message type, use the pluralized message name
-     - e.g. message Collections contains a list of Collection messages.
+ - When a wrapper message is needed to return a list of a given message type, use the pluralized message name
+ - e.g. message Collections contains a list of Collection messages.
 */
 
 edition = "2023";
diff --git a/apis/workflows/v1/core.proto b/apis/workflows/v1/core.proto
index 358a422..8f90547 100644
--- a/apis/workflows/v1/core.proto
+++ b/apis/workflows/v1/core.proto
@@ -261,9 +261,7 @@ message TaskSubmissionGroup {
   // to enable packed encoding of the repeated fields.
   repeated bytes inputs = 2 [(buf.validate.field).repeated = {
     min_items: 1 // we don't allow empty submission groups
-    items: {
-      bytes: {max_len: 2048}
-    }
+    items: {bytes: {max_len: 2048}}
   }];
   // Index of the task identifier in the identifier_lookup field of the containing TaskSubmissions message
   // for each task.
diff --git a/apis/workflows/v1/workflows.proto b/apis/workflows/v1/workflows.proto
index c783969..9cd7f1c 100644
--- a/apis/workflows/v1/workflows.proto
+++ b/apis/workflows/v1/workflows.proto
@@ -63,6 +63,15 @@ message GetWorkflowRequest {
   string workflow_slug = 1 [(buf.validate.field).string.min_len = 1];
 }
 
+// DeleteWorkflowRequest deletes an existing workflow.
+message DeleteWorkflowRequest {
+  // The slug of the workflow to delete.
+  string workflow_slug = 1 [(buf.validate.field).string.min_len = 1];
+}
+
+// DeleteWorkflowResponse is the response to DeleteWorkflowRequest.
+message DeleteWorkflowResponse {}
+
 // PublishWorkflowReleaseRequest publishes a new workflow release artifact, and associates it with a workflow.
 message PublishWorkflowReleaseRequest {
   string workflow_slug = 1 [(buf.validate.field).string.min_len = 1];
@@ -70,6 +79,17 @@ message PublishWorkflowReleaseRequest {
   ReleaseContent content = 3 [(buf.validate.field).required = true];
 }
 
+// UnpublishWorkflowReleaseRequest unpublishes a specific workflow release.
+message UnpublishWorkflowReleaseRequest {
+  // The slug of the workflow containing the release to unpublish.
+  string workflow_slug = 1 [(buf.validate.field).string.min_len = 1];
+  // The ID of the release to unpublish.
+  tilebox.v1.ID release_id = 2 [(buf.validate.field).required = true];
+}
+
+// UnpublishWorkflowReleaseResponse is the response to UnpublishWorkflowReleaseRequest.
+message UnpublishWorkflowReleaseResponse {}
+
 // ListWorkflowsRequest lists all workflows.
 message ListWorkflowsRequest {}
 
@@ -101,6 +121,7 @@ message WorkflowRelease {
   Artifact artifact = 2;
   ReleaseContent content = 3;
   google.protobuf.Timestamp created_at = 4;
+  repeated Cluster clusters = 5; // List of clusters that the workflow is published to
 }
 
 // Artifact represents the artifact associated with a workflow release,
@@ -182,7 +203,9 @@ service WorkflowsService {
   rpc CreateWorkflow(CreateWorkflowRequest) returns (Workflow);
   rpc ListWorkflows(ListWorkflowsRequest) returns (ListWorkflowsResponse);
   rpc GetWorkflow(GetWorkflowRequest) returns (Workflow);
+  rpc DeleteWorkflow(DeleteWorkflowRequest) returns (DeleteWorkflowResponse);
   rpc PublishWorkflowRelease(PublishWorkflowReleaseRequest) returns (WorkflowRelease);
+  rpc UnpublishWorkflowRelease(UnpublishWorkflowReleaseRequest) returns (UnpublishWorkflowReleaseResponse);
 
   rpc DeployWorkflowRelease(DeployWorkflowReleaseRequest) returns (DeployWorkflowReleaseResponse);
   rpc UndeployWorkflowRelease(UndeployWorkflowReleaseRequest) returns (UndeployWorkflowReleaseResponse);