diff --git a/Cargo.toml b/Cargo.toml
index 22e9ba1..fd18ab9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "tonlib-sys"
-version = "2026.4.0"
+version = "2026.4.1"
 edition = "2021"
 description = "Rust bindings for tonlibjson library"
 license = "MIT"
diff --git a/build.rs b/build.rs
index 007a403..15d4456 100644
--- a/build.rs
+++ b/build.rs
@@ -10,7 +10,7 @@ use std::time::Duration;
 use std::{env, fs};
 
 const TON_MONOREPO_URL: &str = "https://github.com/ton-blockchain/ton";
-const TON_MONOREPO_REVISION: &str = "v2026.04";
+const TON_MONOREPO_REVISION: &str = "v2026.04-1";
 const TON_MONOREPO_DIR_ENV: &str = "TON_MONOREPO_DIR";
 
 #[cfg(feature = "with_debug_info")]