diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -43,6 +43,7 @@
 - [X] 2018-12-18  v1.0.1.5  [TDFA quasi quoters not dealing with newlines](https://github.com/iconnect/regex/milestone/24)
 - [X] 2018-12-19  v1.0.2.0  [Tidy build issues](https://github.com/iconnect/regex/milestone/25)
 - [X] 2020-01-27  v1.1.0.0  [Adapt for MonadFail/base-4.13/GHC-8.8](https://github.com/iconnect/regex/milestone/26)
+- [X] 2021-12-18  v1.1.0.1  [Fix for base-4.16.0.0/GHC 9.2.1](https://github.com/iconnect/regex/milestone/27)
 
 
 See the [Roadmap page](http://roadmap.regex.uk) for details.
diff --git a/Text/RE/REOptions.lhs b/Text/RE/REOptions.lhs
--- a/Text/RE/REOptions.lhs
+++ b/Text/RE/REOptions.lhs
@@ -5,6 +5,8 @@
 {-# LANGUAGE CPP                        #-}
 #if __GLASGOW_HASKELL__ >= 800
 {-# LANGUAGE TemplateHaskellQuotes      #-}
+{-# LANGUAGE DeriveLift                 #-}
+{-# LANGUAGE StandaloneDeriving         #-}
 #else
 {-# LANGUAGE QuasiQuotes                #-}
 {-# LANGUAGE TemplateHaskell            #-}
@@ -28,7 +30,6 @@
 import qualified Data.HashMap.Strict        as HM
 import           Data.Hashable
 import           Data.String
-import           Language.Haskell.TH
 import           Language.Haskell.TH.Syntax
 \end{code}
 
@@ -50,12 +51,7 @@
 \begin{code}
 -- | we need to use this in the quasi quoters to specify @SimpleREOptions@
 -- selected by the quasi quoter
-instance Lift SimpleREOptions where
-  lift sro = case sro of
-    MultilineSensitive    -> conE 'MultilineSensitive
-    MultilineInsensitive  -> conE 'MultilineInsensitive
-    BlockSensitive        -> conE 'BlockSensitive
-    BlockInsensitive      -> conE 'BlockInsensitive
+deriving instance Lift SimpleREOptions
 \end{code}
 
 \begin{code}
diff --git a/Text/RE/ZeInternals/TestBench/Parsers.hs b/Text/RE/ZeInternals/TestBench/Parsers.hs
--- a/Text/RE/ZeInternals/TestBench/Parsers.hs
+++ b/Text/RE/ZeInternals/TestBench/Parsers.hs
@@ -1,5 +1,6 @@
 {-# OPTIONS_GHC -fno-warn-warnings-deprecations #-}
 {-# LANGUAGE OverloadedStrings                  #-}
+{-# LANGUAGE CPP                                #-}
 
 module Text.RE.ZeInternals.TestBench.Parsers
   (
@@ -120,9 +121,12 @@
 parse_time tpls = prs . unpackR
   where
     prs s = listToMaybe $ catMaybes
-      [ parseTime LC.defaultTimeLocale fmt s
+      [ parseTimeM True  LC.defaultTimeLocale fmt s
           | fmt<-tpls
           ]
+#if !MIN_VERSION_time(1,5,0)
+    parseTimeM _ = parseTime
+#endif
 
 short_month_hm :: HM.HashMap String Int
 short_month_hm = HM.fromList [ (T.unpack $ shortMonthArray!i,i) | i<-[1..12] ]
diff --git a/Text/RE/ZeInternals/Types/Match.lhs b/Text/RE/ZeInternals/Types/Match.lhs
--- a/Text/RE/ZeInternals/Types/Match.lhs
+++ b/Text/RE/ZeInternals/Types/Match.lhs
@@ -1,5 +1,6 @@
 \begin{code}
 {-# LANGUAGE RecordWildCards            #-}
+{-# LANGUAGE FlexibleContexts           #-}
 {-# LANGUAGE FlexibleInstances          #-}
 {-# LANGUAGE UndecidableInstances       #-}
 {-# LANGUAGE MultiParamTypeClasses      #-}
diff --git a/Text/RE/ZeInternals/Types/Matches.lhs b/Text/RE/ZeInternals/Types/Matches.lhs
--- a/Text/RE/ZeInternals/Types/Matches.lhs
+++ b/Text/RE/ZeInternals/Types/Matches.lhs
@@ -1,5 +1,6 @@
 \begin{code}
 {-# LANGUAGE RecordWildCards            #-}
+{-# LANGUAGE FlexibleContexts           #-}
 {-# LANGUAGE FlexibleInstances          #-}
 {-# LANGUAGE UndecidableInstances       #-}
 {-# LANGUAGE MultiParamTypeClasses      #-}
diff --git a/changelog b/changelog
--- a/changelog
+++ b/changelog
@@ -1,5 +1,9 @@
 -*-change-log-*-
 
+1.1.0.1 Chris Dornan <chris.dornan@irisconnect.co.uk> 2018-12-19
+  * fix for base-4.16.0.0/GHC 9.2.1
+  * eliminate http-conduit dependency (currently stymied by cryptonite)
+
 1.1.0.0 Chris Dornan <chris.dornan@irisconnect.co.uk> 2018-12-19
   * drop support for GHC 8.0 and below
   * adapt for base 4.13 (MonadFail)
diff --git a/regex.cabal b/regex.cabal
--- a/regex.cabal
+++ b/regex.cabal
@@ -1,5 +1,5 @@
 Name:                   regex
-Version:                1.1.0.0
+Version:                1.1.0.1
 Synopsis:               Toolkit for regex-base
 Description:            A regular expression toolkit for regex-base with
                         compile-time checking of RE syntax, data types for
@@ -32,7 +32,7 @@
 Source-Repository this
     Type:               git
     Location:           https://github.com/iconnect/regex.git
-    Tag:                1.1.0.0
+    Tag:                1.1.0.1
 
 
 
@@ -132,7 +132,7 @@
       , hashable             >= 1.2
       , regex-base           >= 0.93
       , regex-pcre-builtin   >= 0.94
-      , regex-tdfa           >= 1.2
+      , regex-tdfa           >= 1.3.1.0
       , template-haskell     >= 2.7
       , text                 >= 1.2
       , time                 >= 1.4.2