diff --git a/pkg/config/user_config.go b/pkg/config/user_config.go
index d1f760ed1..0f0b4792f 100644
--- a/pkg/config/user_config.go
+++ b/pkg/config/user_config.go
@@ -44,10 +44,10 @@ type UserConfig struct {
 type RefresherConfig struct {
 	// File/submodule refresh interval in seconds.
 	// Auto-refresh can be disabled via option 'git.autoRefresh'.
-	RefreshInterval int `yaml:"refreshInterval" jsonschema:"minimum=0"`
+	RefreshInterval int `yaml:"refreshInterval" jsonschema:"exclusiveMinimum=0"`
 	// Re-fetch interval in seconds.
 	// Auto-fetch can be disabled via option 'git.autoFetch'.
-	FetchInterval int `yaml:"fetchInterval" jsonschema:"minimum=0"`
+	FetchInterval int `yaml:"fetchInterval" jsonschema:"exclusiveMinimum=0"`
 }
 
 func (c *RefresherConfig) RefreshIntervalDuration() time.Duration {
diff --git a/schema-master/config.json b/schema-master/config.json
index b95c5c980..ff50ab185 100644
--- a/schema-master/config.json
+++ b/schema-master/config.json
@@ -3539,13 +3539,13 @@
       "properties": {
         "refreshInterval": {
           "type": "integer",
-          "minimum": 0,
+          "exclusiveMinimum": 0,
           "description": "File/submodule refresh interval in seconds.\nAuto-refresh can be disabled via option 'git.autoRefresh'.",
           "default": 10
         },
         "fetchInterval": {
           "type": "integer",
-          "minimum": 0,
+          "exclusiveMinimum": 0,
           "description": "Re-fetch interval in seconds.\nAuto-fetch can be disabled via option 'git.autoFetch'.",
           "default": 60
         }