diff --git a/tests/test_volatile.py b/tests/test_volatile.py
index 73bdf37..3162d11 100644
--- a/tests/test_volatile.py
+++ b/tests/test_volatile.py
@@ -98,15 +98,15 @@ class TestVolatileNamespaces:
 
     def test_weather_default_ttl(self):
         """Test weather namespace default TTL."""
-        assert NAMESPACE_DEFAULT_TTL[VolatileNamespace.WEATHER] == 3600  # 1 hour (current conditions)
+        assert NAMESPACE_DEFAULT_TTL[VolatileNamespace.WEATHER] == 7200  # 2 hours (hourly refresh)
 
     def test_financial_default_ttl(self):
         """Test financial namespace default TTL."""
-        assert NAMESPACE_DEFAULT_TTL[VolatileNamespace.FINANCIAL] == 300  # 5 min
+        assert NAMESPACE_DEFAULT_TTL[VolatileNamespace.FINANCIAL] == 600  # 10 min (5 min refresh)
 
     def test_sports_default_ttl(self):
         """Test sports namespace default TTL (fast updates)."""
-        assert NAMESPACE_DEFAULT_TTL[VolatileNamespace.SPORTS] == 60  # 1 min
+        assert NAMESPACE_DEFAULT_TTL[VolatileNamespace.SPORTS] == 120  # 2 min (1 min refresh)
 
     def test_namespace_count(self):
         """Test we have the expected number of namespaces."""
@@ -274,7 +274,7 @@ class TestVolatileService:
     def test_get_default_ttl_known_namespace(self, volatile_service):
         """Test default TTL for known namespace."""
         ttl = volatile_service._get_default_ttl("weather")
-        assert ttl == 3600  # Weather namespace default (1 hour)
+        assert ttl == 7200  # Weather namespace default (2 hours)
 
     def test_get_default_ttl_unknown_namespace(self, volatile_service):
         """Test default TTL for unknown namespace."""
@@ -366,7 +366,7 @@ class TestVolatileService:
             ttl=None  # Not specified
         )
 
-        assert result.ttl == 3600  # Weather default (1 hour)
+        assert result.ttl == 7200  # Weather default (2 hours)
 
     @pytest.mark.asyncio
     async def test_search_empty_collection(self, volatile_service, mock_qdrant, mock_ollama):