diff --git a/defaults/main.yml b/defaults/main.yml
index 6807ef6..d34e168 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -17,13 +17,15 @@ gitea_valkey_resources:
     cpu: 150m
     memory: 8Gi
     ephemeral-storage: 4Gi
+# PostgreSQL needs real CPU: at 150m its liveness probe (pg_isready, 5s
+# timeout) times out under load and the kubelet restarts it.
 gitea_postgresql_resources:
   requests:
-    cpu: 100m
+    cpu: 250m
     memory: 128Mi
     ephemeral-storage: 50Mi
   limits:
-    cpu: 150m
+    cpu: "1"
     memory: 2Gi
     ephemeral-storage: 2Gi