diff --git a/doc/configuration.md b/doc/configuration.md
index b60122a9..9b89e019 100644
--- a/doc/configuration.md
+++ b/doc/configuration.md
@@ -8,7 +8,7 @@ db:
 
 watch:
   workers: 10
-  schedule: "0 0 * * * *"
+  schedule: "0 * * * *"
 
 notif:
   mail:
@@ -79,7 +79,7 @@ image:
 
 * `watch`
   * `workers`: Maximum number of workers that will execute tasks concurrently. _Optional_. (default: `10`).
-  * `schedule`: [CRON expression](https://godoc.org/github.com/crazy-max/cron#hdr-CRON_Expression_Format) to schedule Diun watcher. _Optional_. (default: `0 0 * * * *`).
+  * `schedule`: [CRON expression](https://godoc.org/github.com/robfig/cron#hdr-CRON_Expression_Format) to schedule Diun watcher. _Optional_. (default: `0 * * * *`).
 
 ## notif
 
diff --git a/internal/app/diun.go b/internal/app/diun.go
index 65e7844d..1a19fa67 100644
--- a/internal/app/diun.go
+++ b/internal/app/diun.go
@@ -41,8 +41,10 @@ func New(cfg *config.Config, location *time.Location) (*Diun, error) {
 	}
 
 	return &Diun{
-		cfg:   cfg,
-		cron:  cron.New(cron.WithLocation(location), cron.WithSeconds()),
+		cfg: cfg,
+		cron: cron.New(cron.WithLocation(location), cron.WithParser(cron.NewParser(
+			cron.SecondOptional|cron.Minute|cron.Hour|cron.Dom|cron.Month|cron.Dow|cron.Descriptor),
+		)),
 		db:    dbcli,
 		notif: notifcli,
 	}, nil
diff --git a/internal/config/config.go b/internal/config/config.go
index 9ca9690e..3a2502ca 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -46,7 +46,7 @@ func Load(flags model.Flags, version string) (*Config, error) {
 		},
 		Watch: model.Watch{
 			Workers:  10,
-			Schedule: "0 0 * * * *",
+			Schedule: "0 * * * *",
 		},
 		Notif: model.Notif{
 			Mail: model.Mail{
diff --git a/internal/config/config.test.yml b/internal/config/config.test.yml
index 8fb8df95..db66efd8 100644
--- a/internal/config/config.test.yml
+++ b/internal/config/config.test.yml
@@ -3,7 +3,7 @@ db:
 
 watch:
   workers: 100
-  schedule: "*/30 * * * * *"
+  schedule: "*/30 * * * *"
 
 notif:
   mail:
@@ -33,32 +33,44 @@ regopts:
     password: bar
 
 image:
-  - name: docker.io/crazymax/nextcloud:latest
+  -
+    name: docker.io/crazymax/nextcloud:latest
     regopts_id: someregopts
-  - name: crazymax/swarm-cronjob
+  -
+    name: crazymax/swarm-cronjob
     watch_repo: true
     include_tags:
       - ^1\.2\..*
-  - name: jfrog-docker-reg2.bintray.io/jfrog/artifactory-oss:4.0.0
+  -
+    name: jfrog-docker-reg2.bintray.io/jfrog/artifactory-oss:4.0.0
     regopts_id: bintrayoptions
-  - name: docker.bintray.io/jfrog/xray-server:2.8.6
+  -
+    name: docker.bintray.io/jfrog/xray-server:2.8.6
     watch_repo: true
     max_tags: 50
-  - name: quay.io/coreos/hyperkube
-  - name: docker.io/portainer/portainer
+  -
+    name: quay.io/coreos/hyperkube
+  -
+    name: docker.io/portainer/portainer
     watch_repo: true
     max_tags: 10
     include_tags:
       - ^(0|[1-9]\d*)\..*
-  - name: traefik
+  -
+    name: traefik
     watch_repo: true
-  - name: alpine
+  -
+    name: alpine
     os: linux
     arch: arm64v8
-  - name: docker.io/graylog/graylog:3.2.0
-  - name: jacobalberty/unifi:5.9
-  - name: quay.io/coreos/hyperkube:v1.1.7-coreos.1
-  - name: crazymax/ddns-route53
+  -
+    name: docker.io/graylog/graylog:3.2.0
+  -
+    name: jacobalberty/unifi:5.9
+  -
+    name: quay.io/coreos/hyperkube:v1.1.7-coreos.1
+  -
+    name: crazymax/ddns-route53
     watch_repo: true
     include_tags:
       - ^1\..*
diff --git a/internal/config/config_test.go b/internal/config/config_test.go
index 481c3bc0..8d278c72 100644
--- a/internal/config/config_test.go
+++ b/internal/config/config_test.go
@@ -49,7 +49,7 @@ func TestLoad(t *testing.T) {
 				},
 				Watch: model.Watch{
 					Workers:  100,
-					Schedule: "*/30 * * * * *",
+					Schedule: "*/30 * * * *",
 				},
 				Notif: model.Notif{
 					Mail: model.Mail{