diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Revision history for influxdb
 
+## v1.9.1.2 - 2021-03-25
+
+* Relax upper version bound for attoparsec
+
 ## v1.9.1.1 - 2021-03-12
 
 * Support GHC 9.0.1 ([#85](https://github.com/maoe/influxdb-haskell/pull/85))
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@
 [![Hackage CI](https://matrix.hackage.haskell.org/api/v2/packages/influxdb/badge)](https://matrix.hackage.haskell.org/package/influxdb)
 [![Gitter](https://badges.gitter.im/maoe/influxdb-haskell.svg)](https://gitter.im/maoe/influxdb-haskell?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
 
-Currently this library is tested against InfluxDB 1.8.
+Currently this library is tested against InfluxDB 1.8. InfluxDB 2 isn't supported (yet).
 
 ## Getting started
 
diff --git a/influxdb.cabal b/influxdb.cabal
--- a/influxdb.cabal
+++ b/influxdb.cabal
@@ -1,6 +1,6 @@
 cabal-version: 1.24
 name: influxdb
-version: 1.9.1.1
+version: 1.9.1.2
 synopsis: InfluxDB client library for Haskell
 description:
   @influxdb@ is an InfluxDB client library for Haskell.
@@ -76,7 +76,7 @@
   build-depends:
       base >= 4.11 && < 4.16
     , aeson >= 0.7 && < 1.6
-    , attoparsec < 0.14
+    , attoparsec < 0.15
     , bytestring >= 0.10 && < 0.12
     , clock >= 0.7 && < 0.9
     , containers >= 0.5 && < 0.7