diff --git a/Telegram/build/docker/centos_env/Dockerfile b/Telegram/build/docker/centos_env/Dockerfile
index f3e8278fb3..eeb5314587 100644
--- a/Telegram/build/docker/centos_env/Dockerfile
+++ b/Telegram/build/docker/centos_env/Dockerfile
@@ -338,7 +338,7 @@ RUN make -j$(nproc)
 RUN make DESTDIR="$LibrariesPath/ffmpeg-cache" install
 
 FROM builder AS openal
-RUN git clone -b fix_mono --depth=1 $GIT/telegramdesktop/openal-soft.git
+RUN git clone -b openal-soft-1.21.0 --depth=1 $GIT/kcat/openal-soft.git
 
 WORKDIR openal-soft
 RUN cmake3 -B build . \
diff --git a/docs/building-msvc.md b/docs/building-msvc.md
index 5d12e6f71b..dab0de0142 100644
--- a/docs/building-msvc.md
+++ b/docs/building-msvc.md
@@ -108,9 +108,9 @@ Open **x86 Native Tools Command Prompt for VS 2019.bat**, go to ***BuildPath***
     cmake --build . --config Release
     cd ..
 
-    git clone https://github.com/telegramdesktop/openal-soft.git
+    git clone https://github.com/kcat/openal-soft.git
     cd openal-soft
-    git checkout fix_mono
+    git checkout openal-soft-1.21.0
     cd build
     cmake .. ^
         -G "Visual Studio 16 2019" ^
diff --git a/docs/building-xcode.md b/docs/building-xcode.md
index 48dfc7d93d..e1ec69eba4 100644
--- a/docs/building-xcode.md
+++ b/docs/building-xcode.md
@@ -240,9 +240,9 @@ Go to ***BuildPath*** and run
     sudo make install
     cd ..
 
-    git clone https://github.com/telegramdesktop/openal-soft.git
+    git clone https://github.com/kcat/openal-soft.git
     cd openal-soft
-    git checkout fix_mono
+    git checkout 3970252da9
     cd build
     CFLAGS=$UNGUARDED CPPFLAGS=$UNGUARDED cmake -D CMAKE_INSTALL_PREFIX:PATH=/usr/local/macos -D ALSOFT_EXAMPLES=OFF -D LIBTYPE:STRING=STATIC -D CMAKE_OSX_DEPLOYMENT_TARGET:STRING=10.12 ..
     make $MAKE_THREADS_CNT