diff --git a/README.md b/README.md
index a20910d..ea30a55 100644
--- a/README.md
+++ b/README.md
@@ -60,6 +60,12 @@ Unfortunately the Cassandra project does not always increment the `cqlsh` versio
 release we need to document not only the `cqlsh` version but also the `cassandra` version in which it
 shipped.
 
+#### 6.1.1 (March 22, 2023)
+
+This packages `cqlsh` `6.1.0` from [Cassandra 4.1.1](https://github.com/apache/cassandra/blob/cassandra-4.1.0/bin/cqlsh.py):
+* Now supports Python 3.11.
+* Although this is pulled from a Cassandra `4.x` release, it is protocol compatible with Cassandra `3.x` clusters, with the exception of DESCRIBE keywords which require a 4.x cluster.
+
 #### 6.1.0 (Jan 4, 2023)
 
 This packages `cqlsh` `6.1.0` from [Cassandra 4.1](https://github.com/apache/cassandra/blob/cassandra-4.1.0/bin/cqlsh.py):
diff --git a/cqlshlib/formatting.py b/cqlshlib/formatting.py
index b49a29a..ebf9fc7 100644
--- a/cqlshlib/formatting.py
+++ b/cqlshlib/formatting.py
@@ -440,7 +440,7 @@ def append(builder, dividend, divisor, unit):
     if dividend == 0 or dividend < divisor:
         return dividend
 
-    builder.append(str(dividend / divisor))
+    builder.append(str(dividend // divisor))
     builder.append(unit)
     return dividend % divisor
 
diff --git a/cqlshlib/saferscanner.py b/cqlshlib/saferscanner.py
index 3cc3430..5afd8ef 100644
--- a/cqlshlib/saferscanner.py
+++ b/cqlshlib/saferscanner.py
@@ -19,7 +19,11 @@
 # regex in-pattern flags. Any of those can break correct operation of Scanner.
 
 import re
-from sre_constants import BRANCH, SUBPATTERN, GROUPREF, GROUPREF_IGNORE, GROUPREF_EXISTS
+import six
+try:
+    from sre_constants import BRANCH, SUBPATTERN, GROUPREF, GROUPREF_IGNORE, GROUPREF_EXISTS
+except ImportError:
+    from re._constants import BRANCH, SUBPATTERN, GROUPREF, GROUPREF_IGNORE, GROUPREF_EXISTS
 from sys import version_info
 
 
@@ -81,4 +85,24 @@ def __init__(self, lexicon, flags=0):
         self.scanner = re.sre_compile.compile(p)
 
 
-SaferScanner = Py38SaferScanner if version_info >= (3, 8) else Py36SaferScanner
+class Py311SaferScanner(SaferScannerBase):
+
+    def __init__(self, lexicon, flags=0):
+        self.lexicon = lexicon
+        p = []
+        s = re._parser.State()
+        s.flags = flags
+        for phrase, action in lexicon:
+            gid = s.opengroup()
+            p.append(re._parser.SubPattern(s, [(SUBPATTERN, (gid, 0, 0, re._parser.parse(phrase, flags))), ]))
+            s.closegroup(gid, p[-1])
+        p = re._parser.SubPattern(s, [(BRANCH, (None, p))])
+        self.p = p
+        self.scanner = re._compiler.compile(p)
+
+
+SaferScanner = Py36SaferScanner if six.PY3 else Py2SaferScanner
+if version_info >= (3, 11):
+    SaferScanner = Py311SaferScanner
+elif version_info >= (3, 8):
+    SaferScanner = Py38SaferScanner
diff --git a/setup.cfg b/setup.cfg
index 420db07..3d174a0 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -22,6 +22,8 @@ classifiers =
     Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
+    Programming Language :: Python :: 3.10
+    Programming Language :: Python :: 3.11
 
 [options]
 packages = cqlsh, cqlshlib