diff --git a/src/cnc/models/providers/google/cache_resource_settings.py b/src/cnc/models/providers/google/cache_resource_settings.py
index 0cb1d870..44beb74b 100644
--- a/src/cnc/models/providers/google/cache_resource_settings.py
+++ b/src/cnc/models/providers/google/cache_resource_settings.py
@@ -22,7 +22,7 @@ def provider_version(self):
         if major_version == 6:
             return "REDIS_6_X"
 
-        return "REDIS_{{ service.settings.version }}_0"
+        return f"REDIS_{{ service.settings.version }}_0"
 
     @property
     def toolbox_ssh_port_mapping(self):