diff --git a/config/config.go b/config/config.go
index 386e70b..385eccd 100644
--- a/config/config.go
+++ b/config/config.go
@@ -106,6 +106,7 @@ const (
 	CACHE_ENABLED_ENVIRONMENT_KEY                                   = "CACHE_ENABLED"
 	REDIS_ENDPOINT_URL_ENVIRONMENT_KEY                              = "REDIS_ENDPOINT_URL"
 	REDIS_PASSWORD_ENVIRONMENT_KEY                                  = "REDIS_PASSWORD"
+	CACHE_INDEFINITELY_KEY                                          = "CACHE_INDEFINITELY"
 	CACHE_TTL_ENVIRONMENT_KEY                                       = "CACHE_TTL_SECONDS"
 	CACHE_PREFIX_ENVIRONMENT_KEY                                    = "CACHE_PREFIX"
 )
@@ -249,6 +250,7 @@ func ReadConfig() Config {
 		RedisEndpointURL:                          os.Getenv(REDIS_ENDPOINT_URL_ENVIRONMENT_KEY),
 		RedisPassword:                             os.Getenv(REDIS_PASSWORD_ENVIRONMENT_KEY),
 		CacheTTL:                                  time.Duration(EnvOrDefaultInt(CACHE_TTL_ENVIRONMENT_KEY, 0)) * time.Second,
+		CacheIndefinitely:                         EnvOrDefaultBool(CACHE_INDEFINITELY_KEY, false),
 		CachePrefix:                               os.Getenv(CACHE_PREFIX_ENVIRONMENT_KEY),
 	}
 }