diff --git a/src/rfc8620.rs b/src/rfc8620.rs
index 8cac91b..c3f2e5e 100644
--- a/src/rfc8620.rs
+++ b/src/rfc8620.rs
@@ -227,21 +227,21 @@ impl Object for JmapSession {
 #[serde(rename_all = "camelCase")]
 pub struct CapabilitiesObject {
     #[serde(default)]
-    max_size_upload: u64,
+    pub max_size_upload: u64,
     #[serde(default)]
-    max_concurrent_upload: u64,
+    pub max_concurrent_upload: u64,
     #[serde(default)]
-    max_size_request: u64,
+    pub max_size_request: u64,
     #[serde(default)]
-    max_concurrent_requests: u64,
+    pub max_concurrent_requests: u64,
     #[serde(default)]
-    max_calls_in_request: u64,
+    pub max_calls_in_request: u64,
     #[serde(default)]
-    max_objects_in_get: u64,
+    pub max_objects_in_get: u64,
     #[serde(default)]
-    max_objects_in_set: u64,
+    pub max_objects_in_set: u64,
     #[serde(default)]
-    collation_algorithms: Vec<String>,
+    pub collation_algorithms: Vec<String>,
 }
 
 #[derive(Deserialize, Serialize, Debug, Clone)]