diff --git a/config/resources/defaults.yaml b/config/resources/defaults.yaml
index 62853239e..2b233ca89 100644
--- a/config/resources/defaults.yaml
+++ b/config/resources/defaults.yaml
@@ -92,6 +92,7 @@ Monitoring:
   MetricAuthorization: true
   PromQLAuthorization: true
   AggregatePrefixes: ["/*"]
+  DataRetention: 360h
 Shoveler:
   MessageQueueProtocol: amqp
   PortLower: 9930
diff --git a/docs/parameters.yaml b/docs/parameters.yaml
index 6911c82c2..abbac6268 100644
--- a/docs/parameters.yaml
+++ b/docs/parameters.yaml
@@ -2331,6 +2331,13 @@ type: bool
 default: true
 components: ["origin", "cache", "director", "registry"]
 ---
+name: Monitoring.DataRetention
+description: |+
+  The duration of which Prometheus should retain the monitoring data.
+type: duration
+default: 360h
+components: ["origin", "cache", "director", "registry"]
+---
 ############################
 #   Shoveler-level configs   #
 ############################
diff --git a/param/parameters.go b/param/parameters.go
index 1af215d7a..f00cb0909 100644
--- a/param/parameters.go
+++ b/param/parameters.go
@@ -385,6 +385,7 @@ var (
 	Director_OriginCacheHealthTestInterval = DurationParam{"Director.OriginCacheHealthTestInterval"}
 	Director_StatTimeout = DurationParam{"Director.StatTimeout"}
 	Federation_TopologyReloadInterval = DurationParam{"Federation.TopologyReloadInterval"}
+	Monitoring_DataRetention = DurationParam{"Monitoring.DataRetention"}
 	Monitoring_TokenExpiresIn = DurationParam{"Monitoring.TokenExpiresIn"}
 	Monitoring_TokenRefreshInterval = DurationParam{"Monitoring.TokenRefreshInterval"}
 	Origin_SelfTestInterval = DurationParam{"Origin.SelfTestInterval"}
diff --git a/param/parameters_struct.go b/param/parameters_struct.go
index 318566bf8..1e39835a2 100644
--- a/param/parameters_struct.go
+++ b/param/parameters_struct.go
@@ -156,6 +156,7 @@ type Config struct {
 	Monitoring struct {
 		AggregatePrefixes []string `mapstructure:"aggregateprefixes"`
 		DataLocation string `mapstructure:"datalocation"`
+		DataRetention time.Duration `mapstructure:"dataretention"`
 		MetricAuthorization bool `mapstructure:"metricauthorization"`
 		PortHigher int `mapstructure:"porthigher"`
 		PortLower int `mapstructure:"portlower"`
@@ -457,6 +458,7 @@ type configWithType struct {
 	Monitoring struct {
 		AggregatePrefixes struct { Type string; Value []string }
 		DataLocation struct { Type string; Value string }
+		DataRetention struct { Type string; Value time.Duration }
 		MetricAuthorization struct { Type string; Value bool }
 		PortHigher struct { Type string; Value int }
 		PortLower struct { Type string; Value int }
diff --git a/web_ui/prometheus.go b/web_ui/prometheus.go
index 337835ad6..72f4d07d3 100644
--- a/web_ui/prometheus.go
+++ b/web_ui/prometheus.go
@@ -74,9 +74,6 @@ import (
 var (
 	appName = "prometheus"
 
-	defaultRetentionString   = "15d"
-	defaultRetentionDuration model.Duration
-
 	globalConfig    config.Config
 	globalConfigMtx sync.RWMutex
 
@@ -85,12 +82,6 @@ var (
 
 func init() {
 	prometheus.MustRegister(version.NewCollector(strings.ReplaceAll(appName, "-", "_")))
-
-	var err error
-	defaultRetentionDuration, err = model.ParseDuration(defaultRetentionString)
-	if err != nil {
-		panic(err)
-	}
 }
 
 type flagConfig struct {
@@ -422,7 +413,12 @@ func ConfigureEmbeddedPrometheus(ctx context.Context, engine *gin.Engine) error
 		cfg.tsdb.OutOfOrderTimeWindow = promCfg.StorageConfig.TSDBConfig.OutOfOrderTimeWindow
 	}
 
-	cfg.tsdb.RetentionDuration = defaultRetentionDuration
+	retention, err := model.ParseDuration(param.Monitoring_DataRetention.GetDuration().String())
+	if err != nil {
+		// If we are here, it means that the duration that was set in the config is invalid
+		return fmt.Errorf("failed to parse retention duration: %v", err)
+	}
+	cfg.tsdb.RetentionDuration = retention
 
 	// Max block size settings.
 	if cfg.tsdb.MaxBlockDuration == 0 {