diff --git a/VERSION b/VERSION
index 349e9d0..1502747 100755
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-5.6.8
+5.6.9
diff --git a/go/voltha/events.pb.go b/go/voltha/events.pb.go
index 13624b1..3125fa9 100644
--- a/go/voltha/events.pb.go
+++ b/go/voltha/events.pb.go
@@ -716,14 +716,15 @@
 
 //
 // Struct to group metadata for a metric (or group of metrics) with the key-value
-// pairs of collected metrics using 64-bit unsigned integers.
-// This is used for counters that can exceed the precision of float (e.g., FEC, GEM counters).
+// pairs of collected metrics using 64-bit double precision floating point.
+// This supports both floating-point metrics and large integer counters up to 2^53
+// (e.g., FEC counters, GEM counters, optical power levels).
 type MetricInformation64 struct {
-	Metadata             *MetricMetaData   `protobuf:"bytes,1,opt,name=metadata,proto3" json:"metadata,omitempty"`
-	Metrics              map[string]uint64 `protobuf:"bytes,2,rep,name=metrics,proto3" json:"metrics,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"varint,2,opt,name=value,proto3"`
-	XXX_NoUnkeyedLiteral struct{}          `json:"-"`
-	XXX_unrecognized     []byte            `json:"-"`
-	XXX_sizecache        int32             `json:"-"`
+	Metadata             *MetricMetaData    `protobuf:"bytes,1,opt,name=metadata,proto3" json:"metadata,omitempty"`
+	Metrics              map[string]float64 `protobuf:"bytes,2,rep,name=metrics,proto3" json:"metrics,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"fixed64,2,opt,name=value,proto3"`
+	XXX_NoUnkeyedLiteral struct{}           `json:"-"`
+	XXX_unrecognized     []byte             `json:"-"`
+	XXX_sizecache        int32              `json:"-"`
 }
 
 func (m *MetricInformation64) Reset()         { *m = MetricInformation64{} }
@@ -758,7 +759,7 @@
 	return nil
 }
 
-func (m *MetricInformation64) GetMetrics() map[string]uint64 {
+func (m *MetricInformation64) GetMetrics() map[string]float64 {
 	if m != nil {
 		return m.Metrics
 	}
@@ -1495,7 +1496,7 @@
 	proto.RegisterType((*MetricInformation)(nil), "event.MetricInformation")
 	proto.RegisterMapType((map[string]float32)(nil), "event.MetricInformation.MetricsEntry")
 	proto.RegisterType((*MetricInformation64)(nil), "event.MetricInformation64")
-	proto.RegisterMapType((map[string]uint64)(nil), "event.MetricInformation64.MetricsEntry")
+	proto.RegisterMapType((map[string]float64)(nil), "event.MetricInformation64.MetricsEntry")
 	proto.RegisterType((*KpiEvent)(nil), "event.KpiEvent")
 	proto.RegisterMapType((map[string]*MetricValuePairs)(nil), "event.KpiEvent.PrefixesEntry")
 	proto.RegisterType((*KpiEvent2)(nil), "event.KpiEvent2")
@@ -1560,53 +1561,53 @@
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+	0x1c, 0xdb, 0xf6, 0xf3, 0x4a, 0xfc, 0xe5, 0xf3, 0xfc, 0x0d, 0xd4, 0xfc, 0x70, 0x50, 0xf7, 0x03,
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+	0xc0, 0x97, 0xb2, 0xe3, 0x02, 0x17, 0x6e, 0xff, 0x13, 0x00, 0x00, 0xff, 0xff, 0xf2, 0x61, 0x0b,
+	0xb2, 0x3c, 0x0f, 0x00, 0x00,
 }
diff --git a/protos/voltha_protos/events.proto b/protos/voltha_protos/events.proto
index 6f180c5..17b83a3 100755
--- a/protos/voltha_protos/events.proto
+++ b/protos/voltha_protos/events.proto
@@ -108,12 +108,13 @@
 
 /*
  * Struct to group metadata for a metric (or group of metrics) with the key-value
- * pairs of collected metrics using 64-bit unsigned integers.
- * This is used for counters that can exceed the precision of float (e.g., FEC, GEM counters).
+ * pairs of collected metrics using 64-bit double precision floating point.
+ * This supports both floating-point metrics and large integer counters up to 2^53
+ * (e.g., FEC counters, GEM counters, optical power levels).
  */
 message MetricInformation64 {
     MetricMetaData metadata = 1;
-    map<string, uint64> metrics = 2;
+    map<string, double> metrics = 2;
 }
 
 /*
diff --git a/voltha.pb b/voltha.pb
index 0852a79..cc64fe9 100644
--- a/voltha.pb
+++ b/voltha.pb
Binary files differ