diff --git a/lib/core/settings.py b/lib/core/settings.py
index 3e77a70a0..663361bc1 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 = "1.4.11.4"
+VERSION = "1.4.11.5"
 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/tamper/0eunion.py b/tamper/0eunion.py
index 44de282dd..8ff8c5ae0 100644
--- a/tamper/0eunion.py
+++ b/tamper/0eunion.py
@@ -29,4 +29,4 @@ def tamper(payload, **kwargs):
     '1e0UNION ALL SELECT'
     """
 
-    return re.sub(r"(\d+)\s+(UNION )", r"\g<1>e0\g<2>", payload, re.I) if payload else payload
+    return re.sub(r"(?i)(\d+)\s+(UNION )", r"\g<1>e0\g<2>", payload) if payload else payload
diff --git a/tamper/dunion.py b/tamper/dunion.py
index 74a2c6c15..237b6780b 100644
--- a/tamper/dunion.py
+++ b/tamper/dunion.py
@@ -31,4 +31,4 @@ def tamper(payload, **kwargs):
     '1DUNION ALL SELECT'
     """
 
-    return re.sub(r"(\d+)\s+(UNION )", r"\g<1>D\g<2>", payload, re.I) if payload else payload
+    return re.sub(r"(?i)(\d+)\s+(UNION )", r"\g<1>D\g<2>", payload) if payload else payload
diff --git a/tamper/misunion.py b/tamper/misunion.py
index 68a9e4fb0..a1eb88865 100644
--- a/tamper/misunion.py
+++ b/tamper/misunion.py
@@ -33,4 +33,4 @@ def tamper(payload, **kwargs):
     '1"-.1UNION ALL SELECT'
     """
 
-    return re.sub(r"\s+(UNION )", r"-.1\g<1>", payload, re.I) if payload else payload
+    return re.sub(r"(?i)\s+(UNION )", r"-.1\g<1>", payload) if payload else payload
diff --git a/tamper/schemasplit.py b/tamper/schemasplit.py
index 91bfb48d2..c998b342a 100644
--- a/tamper/schemasplit.py
+++ b/tamper/schemasplit.py
@@ -28,4 +28,4 @@ def tamper(payload, **kwargs):
     'SELECT id FROM testdb 9.e.users'
     """
 
-    return re.sub(r"( FROM \w+)\.(\w+)", r"\g<1> 9.e.\g<2>", payload, re.I) if payload else payload
+    return re.sub(r"(?i)( FROM \w+)\.(\w+)", r"\g<1> 9.e.\g<2>", payload) if payload else payload