diff --git a/envvars.md b/envvars.md
index 0892cc7..0b5c3eb 100644
--- a/envvars.md
+++ b/envvars.md
@@ -2,5 +2,6 @@
 - LOG_ARCHIVER_URI
 - ONESHOT
 - PRODUCTION_MODE
+- RETENTION_PERIOD_DAYS
 - MAIN_BOT_TOKEN
 - DISCORD_PROXY_URL
\ No newline at end of file
diff --git a/pkg/config/config.go b/pkg/config/config.go
index 24958d7..67ebe06 100644
--- a/pkg/config/config.go
+++ b/pkg/config/config.go
@@ -3,13 +3,14 @@ package config
 import "github.com/caarlos0/env/v6"
 
 type Config struct {
-	DatabaseUri     string `env:"DB_URI"`
-	LogArchiverUri  string `env:"LOG_ARCHIVER_URI"`
-	OneShot         bool   `env:"ONESHOT"`
-	ProductionMode  bool   `env:"PRODUCTION_MODE" envDefault:"false"`
-	SentryDsn       string `env:"SENTRY_DSN"`
-	MainBotToken    string `env:"MAIN_BOT_TOKEN"`
-	DiscordProxyUrl string `env:"DISCORD_PROXY_URL"`
+	DatabaseUri         string `env:"DB_URI"`
+	LogArchiverUri      string `env:"LOG_ARCHIVER_URI"`
+	OneShot             bool   `env:"ONESHOT"`
+	ProductionMode      bool   `env:"PRODUCTION_MODE" envDefault:"false"`
+	RetentionPeriodDays int    `env:"RETENTION_PERIOD_DAYS" envDefault:"30"`
+	SentryDsn           string `env:"SENTRY_DSN"`
+	MainBotToken        string `env:"MAIN_BOT_TOKEN"`
+	DiscordProxyUrl     string `env:"DISCORD_PROXY_URL"`
 }
 
 func Parse() (conf Config) {
diff --git a/pkg/daemon/daemon.go b/pkg/daemon/daemon.go
index 467d3fc..9ce927e 100644
--- a/pkg/daemon/daemon.go
+++ b/pkg/daemon/daemon.go
@@ -19,8 +19,6 @@ import (
 const (
 	BreakTime = time.Second
 
-	RetentionPeriod = time.Hour * 24 * 28
-
 	// Without this the status poll below has no exit of its own.
 	purgeTimeout = 5 * time.Minute
 
@@ -48,7 +46,8 @@ func (d *Daemon) Run() {
 	d.logger.Info("Starting run...")
 
 	ctx := context.Background()
-	guildIds, err := d.database.GuildLeaveTime.GetBefore(ctx, RetentionPeriod)
+	retentionPeriod := time.Duration(d.config.RetentionPeriodDays) * 24 * time.Hour
+	guildIds, err := d.database.GuildLeaveTime.GetBefore(ctx, retentionPeriod)
 	if err != nil {
 		d.logger.Error("Error while fetching guild ids", zap.Error(err))
 		return