diff --git a/Cargo.toml b/Cargo.toml
index fed293c..3d2cdd6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "tonlib-sys"
-version = "2025.12.0"
+version = "2026.2.1"
 edition = "2021"
 description = "Rust bindings for tonlibjson library"
 license = "MIT"
diff --git a/README.md b/README.md
index 474c928..6e97319 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ To use this library in your Rust application, add the following to your Cargo.to
 
 ```toml
 [dependencies]
-tonlib-sys = "2025.12"
+tonlib-sys = "2026.2.1"
 ```
 
 Then, in your Rust code, you can import the library with:
diff --git a/build.rs b/build.rs
index 4f2bf5e..75e1b14 100644
--- a/build.rs
+++ b/build.rs
@@ -6,7 +6,7 @@ use std::thread::available_parallelism;
 use std::{env, fs};
 
 const TON_MONOREPO_URL: &str = "https://github.com/ton-blockchain/ton";
-const TON_MONOREPO_REVISION: &str = "v2025.12";
+const TON_MONOREPO_REVISION: &str = "v2026.02-1";
 const TON_MONOREPO_DIR: &str = "./ton";
 
 #[cfg(feature = "with_debug_info")]
@@ -96,8 +96,16 @@ fn build_monorepo() {
     // third-party
     println!("cargo:rustc-link-search=native={build_dir}/build/third-party/blst");
     println!("cargo:rustc-link-lib=static=blst");
+    // openssl
+    if cfg!(target_os = "linux") {
+        // TON builds its own OpenSSL. Use that on Linux to avoid symbol/version mismatches
+        // with runner-provided system libcrypto.
+        println!("cargo:rustc-link-search=native={build_dir}/build/third-party/openssl/lib");
+        println!("cargo:rustc-link-lib=static=crypto");
+    } else {
+        println!("cargo:rustc-link-lib=crypto");
+    }
     // dynamic libs
-    println!("cargo:rustc-link-lib=crypto"); // openssl
     println!("cargo:rustc-link-lib=dylib=z"); // zlib
     println!("cargo:rustc-link-lib=dylib=sodium");
     println!("cargo:rustc-link-lib=dylib=secp256k1");
@@ -117,12 +125,21 @@ fn run_build(target: &str) -> String {
     if cfg!(target_os = "linux") {
         cxx_flags = "-w -std=c++17 --include=algorithm";
     }
+    let use_emscripten = env::var("CARGO_CFG_TARGET_ARCH")
+        .map(|arch| arch == "wasm32")
+        .unwrap_or(false);
 
     let mut cfg = Config::new(TON_MONOREPO_DIR);
     let dst = cfg
         .define("BUILD_SHARED_LIBS", "false")
         .define("CMAKE_POSITION_INDEPENDENT_CODE", "ON")
-        .define("USE_EMSCRIPTEN", "true")
+        .define(
+            "USE_EMSCRIPTEN",
+            if use_emscripten { "true" } else { "false" },
+        )
+        .define("TONLIBJSON_STATIC", "ON")
+        .define("EMULATOR_STATIC", "ON")
+        .define("TON_USE_ABSEIL", "OFF")
         // .define("PORTABLE", "true") // statically link system libraries such as libstdc++
         .define("APPLE", APPLE)
         .define("CMAKE_BUILD_TYPE", CMAKE_BUILD_TYPE)
@@ -209,7 +226,7 @@ fn checkout_repo() {
 // replace '  if (NOT USE_EMSCRIPTEN)' by '  if (TRUE)' in ton/crypto/CMakeLists.txt
 fn patch_cmake() {
     let cmake_path = Path::new(TON_MONOREPO_DIR).join("crypto/CMakeLists.txt");
-    let target_line = 427;
+    let target_line = 453;
     let new_line = "  if (TRUE)";
     let file = File::open(&cmake_path).unwrap();
     let reader = BufReader::new(file);