diff --git a/libs/pageserver_api/src/config.rs b/libs/pageserver_api/src/config.rs
index 1ecc17e04b..cfb1190a27 100644
--- a/libs/pageserver_api/src/config.rs
+++ b/libs/pageserver_api/src/config.rs
@@ -76,6 +76,10 @@ pub struct PostHogConfig {
     pub private_api_url: String,
     /// Public API URL
     pub public_api_url: String,
+    /// Refresh interval for the feature flag spec
+    #[serde(skip_serializing_if = "Option::is_none")]
+    #[serde(with = "humantime_serde")]
+    pub refresh_interval: Option<Duration>,
 }
 
 /// `pageserver.toml`
diff --git a/libs/posthog_client_lite/src/background_loop.rs b/libs/posthog_client_lite/src/background_loop.rs
index 693d62efc4..dc813ccb4a 100644
--- a/libs/posthog_client_lite/src/background_loop.rs
+++ b/libs/posthog_client_lite/src/background_loop.rs
@@ -36,7 +36,10 @@ impl FeatureResolverBackgroundLoop {
         // Main loop of updating the feature flags.
         handle.spawn(
             async move {
-                tracing::info!("Starting PostHog feature resolver");
+                tracing::info!(
+                    "Starting PostHog feature resolver with refresh period: {:?}",
+                    refresh_period
+                );
                 let mut ticker = tokio::time::interval(refresh_period);
                 ticker.set_missed_tick_behavior(tokio::time::MissedTickBehavior::Skip);
                 loop {
diff --git a/pageserver/src/feature_resolver.rs b/pageserver/src/feature_resolver.rs
index 84edd68011..b4e6f78bf2 100644
--- a/pageserver/src/feature_resolver.rs
+++ b/pageserver/src/feature_resolver.rs
@@ -12,6 +12,8 @@ use utils::id::TenantId;
 
 use crate::{config::PageServerConf, metrics::FEATURE_FLAG_EVALUATION};
 
+const DEFAULT_POSTHOG_REFRESH_INTERVAL: Duration = Duration::from_secs(600);
+
 #[derive(Clone)]
 pub struct FeatureResolver {
     inner: Option<Arc<FeatureResolverBackgroundLoop>>,
@@ -139,10 +141,13 @@ impl FeatureResolver {
                 }
                 tenants
             };
-            // TODO: make refresh period configurable
-            inner
-                .clone()
-                .spawn(handle, Duration::from_secs(60), fake_tenants);
+            inner.clone().spawn(
+                handle,
+                posthog_config
+                    .refresh_interval
+                    .unwrap_or(DEFAULT_POSTHOG_REFRESH_INTERVAL),
+                fake_tenants,
+            );
             Ok(FeatureResolver {
                 inner: Some(inner),
                 internal_properties: Some(internal_properties),