diff --git a/3rdparty/qredisclient b/3rdparty/qredisclient
index a2258a4a3..383323c90 160000
--- a/3rdparty/qredisclient
+++ b/3rdparty/qredisclient
@@ -1 +1 @@
-Subproject commit a2258a4a37e9896ff5f86b19b821cdd548d3efbb
+Subproject commit 383323c901b24252e74b78c4a891587cd5e21741
diff --git a/appveyor.yml b/appveyor.yml
index 8a90e6c56..b5df8497c 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -3,11 +3,10 @@ version: 0.9.0.{build}
 clone_depth: 5
 install:
 - git submodule update --init --recursive
-- set QTDIR=C:\Qt\5.8\msvc2015
+- set QTDIR=C:\Qt\5.9\msvc2015
 - set PATH=%QTDIR%\bin;%PATH%
 - call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat"
-- nuget install -Version 1.6.0.2 -OutputDirectory ./3rdparty/qredisclient/3rdparty/windows rmt_libssh2
-- nuget install -Version 1.2.8.6 -OutputDirectory ./3rdparty/qredisclient/3rdparty/windows rmt_zlib
+- nuget install -Version 1.8.0 -OutputDirectory ./3rdparty/qredisclient/3rdparty/windows rmt_libssh2
 - qmake -v
 
 build_script:
@@ -23,8 +22,10 @@ build_script:
 - cd %SRCDIR%
 - copy /y .\bin\windows\release\rdm.exe .\build\windows\installer\resources\rdm.exe
 - copy /y .\bin\windows\release\rdm.pdb .\build\windows\installer\resources\rdm.pdb
-- copy /y .\3rdparty\qredisclient\3rdparty\windows\rmt_openssl.1.0.2.5\build\native\bin\v140\Win32\Release\dynamic\libeay32.dll .\build\windows\installer\resources\libeay32.dll
-- copy /y .\3rdparty\qredisclient\3rdparty\windows\rmt_openssl.1.0.2.5\build\native\bin\v140\Win32\Release\dynamic\ssleay32.dll .\build\windows\installer\resources\ssleay32.dll
+- copy /y .\3rdparty\qredisclient\3rdparty\windows\rmt_openssl.1.1.0.3\build\native\bin\v140\Win32\Release\dynamic\libcrypto-1_1.dll .\build\windows\installer\resources\libcrypto-1_1.dll
+- copy /y .\3rdparty\qredisclient\3rdparty\windows\rmt_openssl.1.1.0.3\build\native\bin\v140\Win32\Release\dynamic\libssl-1_1.dll .\build\windows\installer\resources\libssl-1_1.dll
+- copy /y .\3rdparty\qredisclient\3rdparty\windows\rmt_openssl.1.1.0.3\build\native\bin\v140\Win32\Release\dynamic\capi.dll .\build\windows\installer\resources\capi.dll
+- copy /y .\3rdparty\qredisclient\3rdparty\windows\rmt_openssl.1.1.0.3\build\native\bin\v140\Win32\Release\dynamic\padlock.dll .\build\windows\installer\resources\padlock.dll
 - cd build/windows/installer/resources/
 - windeployqt --no-translations --compiler-runtime --angle --release --force --qmldir %SRCDIR%/src/qml rdm.exe
 - cd %SRCDIR%
diff --git a/src/app/models/treeoperations.cpp b/src/app/models/treeoperations.cpp
index ec2239f4b..1f8a8a25d 100644
--- a/src/app/models/treeoperations.cpp
+++ b/src/app/models/treeoperations.cpp
@@ -33,11 +33,7 @@ void TreeOperations::getDatabases(std::function<void (RedisClient::DatabaseList)
     if (!connected) {
         throw ConnectionsTree::Operations::Exception(
                     QObject::tr("Cannot connect to server '%1'. Check log for details.").arg(m_connection->getConfig().name()));
-    }
-
-    if (m_connection->getServerVersion() < 2.8)
-        throw ConnectionsTree::Operations::Exception(QObject::tr("RedisDesktopManager >= 0.9.0 doesn't support old versions of "
-                                                     "redis-server (< 2.8). Please use RedisDesktopManager 0.8.8 or upgrade your redis-server."));
+    }    
 
     RedisClient::DatabaseList availableDatabeses = m_connection->getKeyspaceInfo();
 
diff --git a/tests/unit_tests/testcases/app/test_treeoperations.cpp b/tests/unit_tests/testcases/app/test_treeoperations.cpp
index 172d2a7ea..7c3b5fb78 100644
--- a/tests/unit_tests/testcases/app/test_treeoperations.cpp
+++ b/tests/unit_tests/testcases/app/test_treeoperations.cpp
@@ -55,26 +55,6 @@ void TestTreeOperations::testGetDatabases()
     QCOMPARE(result.size(), 1003);
 }
 
-void TestTreeOperations::testGetDatabasesOnOldRedis()
-{
-    //given
-    ConnectionsManager manager{QString()};
-    auto connection = getFakeConnection(QList<QVariant>(), QStringList(), 2.6);
-    bool exceptionCatched = false;
-
-    //when
-    TreeOperations operations(connection, manager);
-
-    try {
-        operations.getDatabases([](const RedisClient::DatabaseList&){});
-    } catch (const TreeOperations::Exception& e) {
-        exceptionCatched = true;
-    }
-
-    //then
-    QCOMPARE(exceptionCatched, true);
-}
-
 void TestTreeOperations::testGetDatabaseKeys()
 {    
     //given
@@ -101,7 +81,6 @@ void TestTreeOperations::testGetDatabaseKeys()
     wait(5);
     QCOMPARE(callbackCalled, true);
     QCOMPARE(connection->runCommandCalled, runCommandCalled);
-    QCOMPARE(connection->getServerVersionCalled, 1u);
     QCOMPARE(connection->retrieveCollectionCalled, retrieveCollectionCalled);
 }
 
diff --git a/tests/unit_tests/testcases/app/test_treeoperations.h b/tests/unit_tests/testcases/app/test_treeoperations.h
index 588af2c0d..9f34dccd2 100644
--- a/tests/unit_tests/testcases/app/test_treeoperations.h
+++ b/tests/unit_tests/testcases/app/test_treeoperations.h
@@ -10,7 +10,6 @@ private slots:
     void testCreation();  
     
     void testGetDatabases();
-    void testGetDatabasesOnOldRedis();
     
     void testGetDatabaseKeys();
     void testGetDatabaseKeys_data();