diff --git a/.gitmodules b/.gitmodules
index c410a486..5fde64e8 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -28,3 +28,6 @@
 [submodule "client/3rd/libssh"]
 	path = client/3rd/libssh
 	url = https://git.libssh.org/projects/libssh.git/
+[submodule "client/3rd/zlib"]
+	path = client/3rd/zlib
+	url = https://github.com/madler/zlib.git
diff --git a/client/3rd/libssh b/client/3rd/libssh
index 438cc6df..e8322817 160000
--- a/client/3rd/libssh
+++ b/client/3rd/libssh
@@ -1 +1 @@
-Subproject commit 438cc6df52ca234ba8f04734e628ca74c03b2971
+Subproject commit e8322817a9e5aaef0698d779ddd467a209a85d85
diff --git a/client/3rd/zlib b/client/3rd/zlib
new file mode 160000
index 00000000..04f42cec
--- /dev/null
+++ b/client/3rd/zlib
@@ -0,0 +1 @@
+Subproject commit 04f42ceca40f73e2978b50e93806c2a18c1281fc
diff --git a/client/CMakeLists.txt b/client/CMakeLists.txt
index 2fe60265..339b55c2 100644
--- a/client/CMakeLists.txt
+++ b/client/CMakeLists.txt
@@ -37,14 +37,20 @@ set(LIBS ${LIBS} SortFilterProxyModel)
 include(${CMAKE_CURRENT_LIST_DIR}/3rd/qrcodegen/qrcodegen.cmake)
 include(${CMAKE_CURRENT_LIST_DIR}/3rd/QSimpleCrypto/QSimpleCrypto.cmake)
 
+add_subdirectory(${CMAKE_CURRENT_LIST_DIR}/3rd/zlib)
+set(ZLIB_LIBRARY ${CMAKE_CURRENT_BINARY_DIR}/3rd/zlib)
+set(ZLIB_INCLUDE_DIR ${CMAKE_CURRENT_LIST_DIR}/3rd/zlib)
+set(WITH_SERVER OFF)
+set(WITH_GSSAPI OFF)
+set(WITH_EXAMPLES OFF)
+set(OPENSSL_INCLUDE_DIR ${CMAKE_CURRENT_LIST_DIR}/3rd/OpenSSL/include)
+add_subdirectory(${CMAKE_CURRENT_LIST_DIR}/3rd/libssh)
+
 set(BUILD_WITH_QT6 ON)
 set(BUILD_SHARED_LIBS OFF)
 add_subdirectory(${CMAKE_CURRENT_LIST_DIR}/3rd/qtkeychain)
 set(LIBS ${LIBS} qt6keychain)
 
-add_subdirectory(${CMAKE_CURRENT_LIST_DIR}/3rd/libssh/include)
-set(LIBS ${LIBS} ssh)
-
 include_directories(
     ${CMAKE_CURRENT_LIST_DIR}/3rd/QSimpleCrypto/include
     ${CMAKE_CURRENT_LIST_DIR}/3rd/OpenSSL/include
diff --git a/client/core/servercontroller.cpp b/client/core/servercontroller.cpp
index ded0861a..34b0d6e3 100644
--- a/client/core/servercontroller.cpp
+++ b/client/core/servercontroller.cpp
@@ -410,7 +410,7 @@ ErrorCode ServerController::copyFileToRemoteHost(ssh_session& ssh, sftp_session&
     char buffer[SFTP_TRANSFER_CHUNK_SIZE];
     int length {sizeof (buffer)};
 
-    file = sftp_open(sftp, remote_path.c_str(), access_type, S_IRWXU);
+    file = sftp_open(sftp, remote_path.c_str(), access_type, 0);//S_IRWXU);
 
     if (file == NULL) {
         return ErrorCode::SshSftpError;