diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..6e92f57
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+tags
diff --git a/go.mod b/go.mod
index 82ca48b..d134b72 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module git.bit5.ru/backend/trc
 go 1.13
 
 require (
-	git.bit5.ru/backend/colog v1.0.0
+	github.com/go-logr/logr v1.2.3
 	git.bit5.ru/backend/errors v1.0.0
 	github.com/google/uuid v1.3.0
 )
diff --git a/go.sum b/go.sum
index 3dfe1c9..a553532 100644
--- a/go.sum
+++ b/go.sum
@@ -1,2 +1,8 @@
+git.bit5.ru/backend/colog v1.0.0 h1:FLykTQuRfnhWYQ+dZhoaOfkxjHNEfWp4AwP/KD+ob+M=
+git.bit5.ru/backend/colog v1.0.0/go.mod h1:fiOrMQ7SPBD5Pn/Tb7rG1phsDQbZaA7S0vtdnlM6BK4=
+git.bit5.ru/backend/errors v1.0.0 h1:WWJ0sly44q1HQjN01X75ZAGKZwwY5Ml+XVDXMjCkToA=
+git.bit5.ru/backend/errors v1.0.0/go.mod h1:75faRwsnpM0Se00/Bh7fysWQXV8oMjNJFQ6f7+r9k3Y=
+github.com/go-logr/logr v1.2.3 h1:2DntVwHkVopvECVRSlL5PSo9eG+cAkDCuckLubN+rq0=
+github.com/go-logr/logr v1.2.3/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
 github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
 github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
diff --git a/trc.go b/trc.go
index b878720..801f392 100644
--- a/trc.go
+++ b/trc.go
@@ -1,12 +1,11 @@
 package trc
 
 import (
-	"fmt"
 	"net/http"
 
-	"git.bit5.ru/backend/colog"
 	"git.bit5.ru/backend/errors"
 	"github.com/google/uuid"
+  "github.com/go-logr/logr"
 )
 
 type TraceId string
@@ -36,7 +35,6 @@ func RequestTraceId(req *http.Request) (TraceId, error) {
 
 //-----------------------------------------------------------------------------
 
-func NewTraceLogger(logger *colog.CoLog, traceId TraceId) *colog.CoLog {
-	prefix := fmt.Sprintf("[trace_id:%s]", traceId)
-	return logger.Clone().AddPrefix(prefix)
+func NewTraceLogger(logger logr.Logger, traceId TraceId) logr.Logger {
+	return logger.WithValues("trace_id", traceId)
 }