diff --git a/gen/go/v1/config.pb.go b/gen/go/v1/config.pb.go
index 45d3e2a2..4a2710dd 100644
--- a/gen/go/v1/config.pb.go
+++ b/gen/go/v1/config.pb.go
@@ -886,8 +886,8 @@ type PrunePolicy struct {
 	unknownFields protoimpl.UnknownFields
 
 	Schedule         *Schedule `protobuf:"bytes,2,opt,name=schedule,proto3" json:"schedule,omitempty"`
-	MaxUnusedBytes   int32     `protobuf:"varint,3,opt,name=max_unused_bytes,json=maxUnusedBytes,proto3" json:"max_unused_bytes,omitempty"`       // max unused bytes before running prune.
-	MaxUnusedPercent int32     `protobuf:"varint,4,opt,name=max_unused_percent,json=maxUnusedPercent,proto3" json:"max_unused_percent,omitempty"` // max unused percent before running prune.
+	MaxUnusedBytes   int64     `protobuf:"varint,3,opt,name=max_unused_bytes,json=maxUnusedBytes,proto3" json:"max_unused_bytes,omitempty"`        // max unused bytes before running prune.
+	MaxUnusedPercent float64   `protobuf:"fixed64,4,opt,name=max_unused_percent,json=maxUnusedPercent,proto3" json:"max_unused_percent,omitempty"` // max unused percent before running prune.
 }
 
 func (x *PrunePolicy) Reset() {
@@ -929,14 +929,14 @@ func (x *PrunePolicy) GetSchedule() *Schedule {
 	return nil
 }
 
-func (x *PrunePolicy) GetMaxUnusedBytes() int32 {
+func (x *PrunePolicy) GetMaxUnusedBytes() int64 {
 	if x != nil {
 		return x.MaxUnusedBytes
 	}
 	return 0
 }
 
-func (x *PrunePolicy) GetMaxUnusedPercent() int32 {
+func (x *PrunePolicy) GetMaxUnusedPercent() float64 {
 	if x != nil {
 		return x.MaxUnusedPercent
 	}
@@ -2021,10 +2021,10 @@ var file_v1_config_proto_rawDesc = []byte{
 	0x6c, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x0c, 0x2e, 0x76, 0x31, 0x2e, 0x53, 0x63,
 	0x68, 0x65, 0x64, 0x75, 0x6c, 0x65, 0x52, 0x08, 0x73, 0x63, 0x68, 0x65, 0x64, 0x75, 0x6c, 0x65,
 	0x12, 0x28, 0x0a, 0x10, 0x6d, 0x61, 0x78, 0x5f, 0x75, 0x6e, 0x75, 0x73, 0x65, 0x64, 0x5f, 0x62,
-	0x79, 0x74, 0x65, 0x73, 0x18, 0x03, 0x20, 0x01, 0x28, 0x05, 0x52, 0x0e, 0x6d, 0x61, 0x78, 0x55,
+	0x79, 0x74, 0x65, 0x73, 0x18, 0x03, 0x20, 0x01, 0x28, 0x03, 0x52, 0x0e, 0x6d, 0x61, 0x78, 0x55,
 	0x6e, 0x75, 0x73, 0x65, 0x64, 0x42, 0x79, 0x74, 0x65, 0x73, 0x12, 0x2c, 0x0a, 0x12, 0x6d, 0x61,
 	0x78, 0x5f, 0x75, 0x6e, 0x75, 0x73, 0x65, 0x64, 0x5f, 0x70, 0x65, 0x72, 0x63, 0x65, 0x6e, 0x74,
-	0x18, 0x04, 0x20, 0x01, 0x28, 0x05, 0x52, 0x10, 0x6d, 0x61, 0x78, 0x55, 0x6e, 0x75, 0x73, 0x65,
+	0x18, 0x04, 0x20, 0x01, 0x28, 0x01, 0x52, 0x10, 0x6d, 0x61, 0x78, 0x55, 0x6e, 0x75, 0x73, 0x65,
 	0x64, 0x50, 0x65, 0x72, 0x63, 0x65, 0x6e, 0x74, 0x22, 0xa3, 0x01, 0x0a, 0x0b, 0x43, 0x68, 0x65,
 	0x63, 0x6b, 0x50, 0x6f, 0x6c, 0x69, 0x63, 0x79, 0x12, 0x28, 0x0a, 0x08, 0x73, 0x63, 0x68, 0x65,
 	0x64, 0x75, 0x6c, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x0c, 0x2e, 0x76, 0x31, 0x2e,
diff --git a/proto/v1/config.proto b/proto/v1/config.proto
index 58e49086..cf40a3c0 100644
--- a/proto/v1/config.proto
+++ b/proto/v1/config.proto
@@ -92,8 +92,8 @@ message RetentionPolicy {
 
 message PrunePolicy {
   Schedule schedule = 2 [json_name="schedule"];
-  int32 max_unused_bytes = 3 [json_name="maxUnusedBytes"]; // max unused bytes before running prune.
-  int32 max_unused_percent = 4 [json_name="maxUnusedPercent"]; // max unused percent before running prune.
+  int64 max_unused_bytes = 3 [json_name="maxUnusedBytes"]; // max unused bytes before running prune.
+  double max_unused_percent = 4 [json_name="maxUnusedPercent"]; // max unused percent before running prune.
 }
 
 message CheckPolicy {
diff --git a/webui/gen/ts/v1/config_pb.ts b/webui/gen/ts/v1/config_pb.ts
index 778f51cc..3d62300c 100644
--- a/webui/gen/ts/v1/config_pb.ts
+++ b/webui/gen/ts/v1/config_pb.ts
@@ -4,7 +4,7 @@
 // @ts-nocheck
 
 import type { BinaryReadOptions, FieldList, JsonReadOptions, JsonValue, PartialMessage, PlainMessage } from "@bufbuild/protobuf";
-import { Message, proto3 } from "@bufbuild/protobuf";
+import { Message, proto3, protoInt64 } from "@bufbuild/protobuf";
 
 /**
  * @generated from message v1.HubConfig
@@ -623,14 +623,14 @@ export class PrunePolicy extends Message<PrunePolicy> {
   /**
    * max unused bytes before running prune.
    *
-   * @generated from field: int32 max_unused_bytes = 3;
+   * @generated from field: int64 max_unused_bytes = 3;
    */
-  maxUnusedBytes = 0;
+  maxUnusedBytes = protoInt64.zero;
 
   /**
    * max unused percent before running prune.
    *
-   * @generated from field: int32 max_unused_percent = 4;
+   * @generated from field: double max_unused_percent = 4;
    */
   maxUnusedPercent = 0;
 
@@ -643,8 +643,8 @@ export class PrunePolicy extends Message<PrunePolicy> {
   static readonly typeName = "v1.PrunePolicy";
   static readonly fields: FieldList = proto3.util.newFieldList(() => [
     { no: 2, name: "schedule", kind: "message", T: Schedule },
-    { no: 3, name: "max_unused_bytes", kind: "scalar", T: 5 /* ScalarType.INT32 */ },
-    { no: 4, name: "max_unused_percent", kind: "scalar", T: 5 /* ScalarType.INT32 */ },
+    { no: 3, name: "max_unused_bytes", kind: "scalar", T: 3 /* ScalarType.INT64 */ },
+    { no: 4, name: "max_unused_percent", kind: "scalar", T: 1 /* ScalarType.DOUBLE */ },
   ]);
 
   static fromBinary(bytes: Uint8Array, options?: Partial<BinaryReadOptions>): PrunePolicy {