diff --git a/lib/core/settings.py b/lib/core/settings.py
index 3b74ca465..133301557 100644
--- a/lib/core/settings.py
+++ b/lib/core/settings.py
@@ -18,7 +18,7 @@ from lib.core.enums import OS
 from thirdparty.six import unichr as _unichr
 
 # sqlmap version (<major>.<minor>.<month>.<monthly commit>)
-VERSION = "1.3.11.90"
+VERSION = "1.3.11.91"
 TYPE = "dev" if VERSION.count('.') > 2 and VERSION.split('.')[-1] != '0' else "stable"
 TYPE_COLORS = {"dev": 33, "stable": 90, "pip": 34}
 VERSION_STRING = "sqlmap/%s#%s" % ('.'.join(VERSION.split('.')[:-1]) if VERSION.count('.') > 2 and VERSION.split('.')[-1] == '0' else VERSION, TYPE)
diff --git a/lib/utils/deps.py b/lib/utils/deps.py
index 1dd2e525f..aec75c9cb 100644
--- a/lib/utils/deps.py
+++ b/lib/utils/deps.py
@@ -82,7 +82,7 @@ def checkDependencies():
 
     try:
         __import__("websocket.ABNF")
-        debugMsg = "'python websocket-client' library is found"
+        debugMsg = "'websocket-client' library is found"
         logger.debug(debugMsg)
     except ImportError:
         warnMsg = "sqlmap requires 'websocket-client' third-party library "
@@ -91,6 +91,26 @@ def checkDependencies():
         logger.warn(warnMsg)
         missing_libraries.add('websocket-client')
 
+    try:
+        __import__("tkinter")
+        debugMsg = "'tkinter' library is found"
+        logger.debug(debugMsg)
+    except ImportError:
+        warnMsg = "sqlmap requires 'tkinter' library "
+        warnMsg += "if you plan to run a GUI"
+        logger.warn(warnMsg)
+        missing_libraries.add('tkinter')
+
+    try:
+        __import__("tkinter.ttk")
+        debugMsg = "'tkinter.ttk' library is found"
+        logger.debug(debugMsg)
+    except ImportError:
+        warnMsg = "sqlmap requires 'tkinter.ttk' library "
+        warnMsg += "if you plan to run a GUI"
+        logger.warn(warnMsg)
+        missing_libraries.add('tkinter.ttk')
+
     if IS_WIN:
         try:
             __import__("pyreadline")