diff --git a/frontend/sync-client/src/consts.ts b/frontend/sync-client/src/consts.ts
index da70ba47..edb133fb 100644
--- a/frontend/sync-client/src/consts.ts
+++ b/frontend/sync-client/src/consts.ts
@@ -2,5 +2,5 @@ export const TIMEOUT_FOR_MERGING_HISTORY_ENTRIES_IN_SECONDS = 60;
 export const DIFF_CACHE_SIZE_MB = 2;
 export const MAX_LOG_MESSAGE_COUNT = 100000;
 export const MAX_HISTORY_ENTRY_COUNT = 5000;
-export const SUPPORTED_API_VERSION = 2;
+export const SUPPORTED_API_VERSION = 4;
 export const WEBSOCKET_DISCONNECT_TIMEOUT_IN_S = 10;
diff --git a/sync-server/src/consts.rs b/sync-server/src/consts.rs
index 9e9890c0..83d99a82 100644
--- a/sync-server/src/consts.rs
+++ b/sync-server/src/consts.rs
@@ -20,4 +20,4 @@ pub const DEFAULT_LOG_LEVEL: LogLevel = LogLevel::Info;
 
 pub const DEFAULT_MERGEABLE_FILE_EXTENSIONS: &[&str] = &["md", "txt"];
 
-pub const SUPPORTED_API_VERSION: u32 = 3;
+pub const SUPPORTED_API_VERSION: u32 = 4;