diff --git a/lib/core/settings.py b/lib/core/settings.py
index 936c23c7d..e85af5f8b 100644
--- a/lib/core/settings.py
+++ b/lib/core/settings.py
@@ -19,7 +19,7 @@ from lib.core.enums import DBMS_DIRECTORY_NAME
 from lib.core.enums import OS
 
 # sqlmap version (<major>.<minor>.<month>.<monthly commit>)
-VERSION = "1.2.5.4"
+VERSION = "1.2.5.5"
 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/sqlmap.py b/sqlmap.py
index 4593e715b..4d1a16a43 100755
--- a/sqlmap.py
+++ b/sqlmap.py
@@ -264,8 +264,8 @@ def main():
                 raise SystemExit
 
             elif all(_ in excMsg for _ in ("twophase", "sqlalchemy")):
-                errMsg = "please update the 'sqlalchemy' package "
-                errMsg += "(Reference: https://github.com/apache/incubator-superset/issues/3447)"
+                errMsg = "please update the 'sqlalchemy' package (>= 1.1.11) "
+                errMsg += "(Reference: https://qiita.com/tkprof/items/7d7b2d00df9c5f16fffe)"
                 logger.error(errMsg)
                 raise SystemExit
 
diff --git a/txt/checksum.md5 b/txt/checksum.md5
index b275a3784..e04494dc4 100644
--- a/txt/checksum.md5
+++ b/txt/checksum.md5
@@ -47,7 +47,7 @@ c9a56e58984420a5abb7a3f7aadc196d  lib/core/optiondict.py
 0c3eef46bdbf87e29a3f95f90240d192  lib/core/replication.py
 a7db43859b61569b601b97f187dd31c5  lib/core/revision.py
 fcb74fcc9577523524659ec49e2e964b  lib/core/session.py
-8fc5eef70dd6099c61c26c48767c4ef5  lib/core/settings.py
+2b1dd381a11c70766d31a272619dc356  lib/core/settings.py
 0dfc2ed40adf72e302291f6ecd4406f6  lib/core/shell.py
 a7edc9250d13af36ac0108f259859c19  lib/core/subprocessng.py
 6306284edcccc185b2df085438572b0d  lib/core/target.py
@@ -225,7 +225,7 @@ ec2ba8c757ac96425dcd2b97970edd3a  shell/stagers/stager.asp_
 0c48ddb1feb7e38a951ef05a0d48e032  shell/stagers/stager.jsp_
 2f9e459a4cf6a58680978cdce5ff7971  shell/stagers/stager.php_
 4eaeef94314956e4517e5310a28d579a  sqlmapapi.py
-e585626909b2de432f1fb71e0944b130  sqlmap.py
+5c8583dd47f92935ceb41210a10eeebf  sqlmap.py
 4c3b8a7daa4bff52e01d4168be0eedbe  tamper/apostrophemask.py
 4115a55b8aba464723d645b7d3156b6e  tamper/apostrophenullencode.py
 d7e9a979eff4d7315d804a181e66fc93  tamper/appendnullbyte.py