diff --git a/go.mod b/go.mod
index 54c1dba1..7f144056 100644
--- a/go.mod
+++ b/go.mod
@@ -9,7 +9,7 @@ require (
 	github.com/obalunenko/logger v0.4.1
 	github.com/obalunenko/version v1.1.0
 	github.com/stretchr/testify v1.8.0
-	github.com/urfave/cli/v2 v2.11.0
+	github.com/urfave/cli/v2 v2.11.1
 )
 
 require (
diff --git a/go.sum b/go.sum
index ef5a430d..6d163fe5 100644
--- a/go.sum
+++ b/go.sum
@@ -45,8 +45,8 @@ github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXf
 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.8.0 h1:pSgiaMZlXftHpm5L7V1+rVB+AZJydKsMxsQBIJw4PKk=
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
-github.com/urfave/cli/v2 v2.11.0 h1:c6bD90aLd2iEsokxhxkY5Er0zA2V9fId2aJfwmrF+do=
-github.com/urfave/cli/v2 v2.11.0/go.mod h1:f8iq5LtQ/bLxafbdBSLPPNsgaW0l/2fYYEHhAyPlwvo=
+github.com/urfave/cli/v2 v2.11.1 h1:UKK6SP7fV3eKOefbS87iT9YHefv7iB/53ih6e+GNAsE=
+github.com/urfave/cli/v2 v2.11.1/go.mod h1:f8iq5LtQ/bLxafbdBSLPPNsgaW0l/2fYYEHhAyPlwvo=
 github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 h1:bAn7/zixMGCfxrRTfdpNzjtPYqr8smhKouy9mxVdGPU=
 github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673/go.mod h1:N3UwUGtsrSj3ccvlPHLoLsHnpR27oXr4ZE984MbSER8=
 golang.org/x/sys v0.0.0-20181122145206-62eef0e2fa9b/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
diff --git a/vendor/github.com/urfave/cli/v2/flag_timestamp.go b/vendor/github.com/urfave/cli/v2/flag_timestamp.go
index 80e1f470..16f42dd0 100644
--- a/vendor/github.com/urfave/cli/v2/flag_timestamp.go
+++ b/vendor/github.com/urfave/cli/v2/flag_timestamp.go
@@ -90,7 +90,7 @@ func (f *TimestampFlag) GetCategory() string {
 // GetValue returns the flags value as string representation and an empty
 // string if the flag takes no value at all.
 func (f *TimestampFlag) GetValue() string {
-	if f.Value != nil {
+	if f.Value != nil && f.Value.timestamp != nil {
 		return f.Value.timestamp.String()
 	}
 	return ""
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 84aabd60..24b64235 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -58,7 +58,7 @@ github.com/sirupsen/logrus
 ## explicit; go 1.13
 github.com/stretchr/testify/assert
 github.com/stretchr/testify/require
-# github.com/urfave/cli/v2 v2.11.0
+# github.com/urfave/cli/v2 v2.11.1
 ## explicit; go 1.18
 github.com/urfave/cli/v2
 # github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673