diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Revision history for influxdb
 
+## v1.7.1.6 - 2020-06-03
+
+* Relax upper version bound for doctest
+
 ## v1.7.1.5 - 2020-05-27
 
 * Relax upper version bound for http-client
diff --git a/influxdb.cabal b/influxdb.cabal
--- a/influxdb.cabal
+++ b/influxdb.cabal
@@ -1,5 +1,6 @@
+cabal-version: 1.24
 name: influxdb
-version: 1.7.1.5
+version: 1.7.1.6
 synopsis: Haskell client library for InfluxDB
 description:
   @influxdb@ is an InfluxDB client library for Haskell.
@@ -13,7 +14,6 @@
 copyright: Copyright (C) 2014-2020 Mitsutoshi Aoe
 category: Database
 build-type: Custom
-cabal-version: 1.24
 tested-with:
   GHC == 8.0.2
   GHC == 8.2.2
@@ -101,7 +101,7 @@
   main-is:             doctests.hs
   build-depends:
       base
-    , doctest >= 0.11.3 && < 0.17
+    , doctest >= 0.11.3 && < 0.18
     , influxdb
     , template-haskell
   ghc-options: -Wall -threaded