diff --git a/lib/core/option.py b/lib/core/option.py
index 6500bed8c..fa848099f 100644
--- a/lib/core/option.py
+++ b/lib/core/option.py
@@ -1374,7 +1374,8 @@ def _setHTTPHandlers():
 
                 if conf.proxyCred:
                     # Reference: http://stackoverflow.com/questions/34079/how-to-specify-an-authenticated-proxy-for-a-python-http-connection
-                    proxyString = "%s@" % conf.proxyCred
+                    # Note: (raw) credentials have to be URL-encoded, as urllib decodes them (e.g. '%41' would become 'A')
+                    proxyString = "%s@" % ':'.join(_urllib.parse.quote(_, safe="") for _ in conf.proxyCred.split(':', 1))
                 elif match:
                     # Note: credentials from the proxy URL itself (kept URL-encoded, as urllib decodes them on its own)
                     proxyString = "%s:%s@" % (match.group(1), match.group(2))
diff --git a/lib/core/settings.py b/lib/core/settings.py
index 116f2bfd6..32a19bf9c 100644
--- a/lib/core/settings.py
+++ b/lib/core/settings.py
@@ -19,7 +19,7 @@ from lib.core.enums import OS
 from thirdparty import six
 
 # sqlmap version (<major>.<minor>.<month>.<monthly commit>)
-VERSION = "1.10.11.56"
+VERSION = "1.10.11.57"
 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)