diff --git a/.gitmodules b/.gitmodules
index e69de29bb2..f5ad8ccdfa 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "submodules/rlottie/rlottie"]
+	path = submodules/rlottie/rlottie
+url=https://github.com/peter-iakovlev/rlottie.git
diff --git a/submodules/MtProtoKit/TON/TON.mm b/submodules/MtProtoKit/TON/TON.mm
index 63752ed54e..a3bb533eea 100644
--- a/submodules/MtProtoKit/TON/TON.mm
+++ b/submodules/MtProtoKit/TON/TON.mm
@@ -37,6 +37,14 @@ static NSString * _Nullable readString(std::string &string) {
     }
 }
 
+static NSData * _Nullable readSecureString(td::SecureString &string) {
+    if (string.size() == 0) {
+        return [NSData data];
+    } else {
+        return [[NSData alloc] initWithBytes:string.data() length:string.size()];
+    }
+}
+
 static TONTransactionMessage * _Nullable parseTransactionMessage(tonlib_api::object_ptr<tonlib_api::raw_message> &message) {
     if (message == nullptr) {
         return nil;
diff --git a/submodules/rlottie/BUCK b/submodules/rlottie/BUCK
index 1860b982c9..74ee15a9df 100644
--- a/submodules/rlottie/BUCK
+++ b/submodules/rlottie/BUCK
@@ -20,7 +20,8 @@ static_library(
     ], exclude = [
         "rlottie/src/lottie/rapidjson/msinttypes/**/*",
     ]) + [
-        "LottieInstance.h"
+        "LottieInstance.h",
+        "config.h",
     ],
     exported_headers = [
         "LottieInstance.h"
diff --git a/submodules/rlottie/config.h b/submodules/rlottie/config.h
new file mode 100755
index 0000000000..cac85658ea
--- /dev/null
+++ b/submodules/rlottie/config.h
@@ -0,0 +1,19 @@
+#ifndef CONFIG_H
+#define CONFIG_H
+
+// enable threading
+#define LOTTIE_THREAD_SUPPORT
+
+//enable logging
+//#define LOTTIE_LOGGING_SUPPORT
+
+//enable module building of image loader
+//#define LOTTIE_IMAGE_MODULE_SUPPORT
+
+//enable lottie model caching
+//#define LOTTIE_CACHE_SUPPORT
+
+// disable image loader
+#define LOTTIE_IMAGE_MODULE_DISABLED
+
+#endif  // CONFIG_H
\ No newline at end of file
diff --git a/submodules/rlottie/rlottie b/submodules/rlottie/rlottie
new file mode 160000
index 0000000000..0f3d107391
--- /dev/null
+++ b/submodules/rlottie/rlottie
@@ -0,0 +1 @@
+Subproject commit 0f3d10739148ce430aca5db41ee97d05b3d0898c