diff --git a/Telegram/build/docker/centos_env/Dockerfile b/Telegram/build/docker/centos_env/Dockerfile
index 0091881ed..463472041 100644
--- a/Telegram/build/docker/centos_env/Dockerfile
+++ b/Telegram/build/docker/centos_env/Dockerfile
@@ -61,7 +61,7 @@ RUN git init zlib \
 	&& rm -rf zlib
 
 FROM builder AS xz
-RUN git clone -b v5.4.4 --depth=1 https://git.tukaani.org/xz.git \
+RUN git clone -b v5.4.4 --depth=1 https://github.com/tukaani-project/xz.git \
 	&& cd xz \
 	&& cmake -B build . -DCMAKE_BUILD_TYPE=None \
 	&& cmake --build build -j$(nproc) \
diff --git a/Telegram/build/prepare/prepare.py b/Telegram/build/prepare/prepare.py
index ea305575e..f5a64b413 100644
--- a/Telegram/build/prepare/prepare.py
+++ b/Telegram/build/prepare/prepare.py
@@ -540,7 +540,7 @@ release:
 
 stage('xz', """
 !win:
-    git clone -b v5.4.5 https://git.tukaani.org/xz.git
+    git clone -b v5.4.5 https://github.com/tukaani-project/xz.git
     cd xz
     sed -i '' '\\@check_symbol_exists(futimens "sys/types.h;sys/stat.h" HAVE_FUTIMENS)@d' CMakeLists.txt
     CFLAGS="$UNGUARDED" CPPFLAGS="$UNGUARDED" cmake -B build . \\