diff --git a/backend/src/main/kotlin/fr/gouv/cnsp/monitorfish/infrastructure/cache/CaffeineConfiguration.kt b/backend/src/main/kotlin/fr/gouv/cnsp/monitorfish/infrastructure/cache/CaffeineConfiguration.kt
index bd21d715ca..eac7b7c611 100644
--- a/backend/src/main/kotlin/fr/gouv/cnsp/monitorfish/infrastructure/cache/CaffeineConfiguration.kt
+++ b/backend/src/main/kotlin/fr/gouv/cnsp/monitorfish/infrastructure/cache/CaffeineConfiguration.kt
@@ -129,9 +129,9 @@ class CaffeineConfiguration {
         val missionControlUnitsCache = buildMinutesCache(missionControlUnits, ticker, 120)
 
         // Ports
-        val portsCache = buildMinutesCache(ports, ticker, oneWeek)
-        val activePortsCache = buildMinutesCache(activePorts, ticker, oneDay)
-        val portCache = buildMinutesCache(port, ticker, oneWeek)
+        val portsCache = buildPermanentCache(ports)
+        val activePortsCache = buildPermanentCache(activePorts)
+        val portCache = buildPermanentCache(port)
 
         // Risk Factors
         val riskFactorCache = buildMinutesCache(riskFactor, ticker, 1)
@@ -245,6 +245,17 @@ class CaffeineConfiguration {
         )
     }
 
+    private fun buildPermanentCache(
+        name: String,
+    ): CaffeineCache {
+        return CaffeineCache(
+            name,
+            Caffeine.newBuilder()
+                .recordStats()
+                .build(),
+        )
+    }
+
     private fun buildSecondsCache(
         name: String,
         ticker: Ticker,