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/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-with-pcre.cabal b/regex-with-pcre.cabal
--- a/regex-with-pcre.cabal
+++ b/regex-with-pcre.cabal
@@ -1,5 +1,5 @@
 Name:                   regex-with-pcre
-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
 
 
 
@@ -101,7 +101,7 @@
       , containers           >= 0.4
       , 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
       , transformers         >= 0.2.2
