diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Revision history for influxdb
 
+## v1.6.0.1 - 2018-04-20
+
+* Relax upper version bound for foldl
+
 ## v1.6.0 - 2018-04-14
 
 This release includes a few significant breaking changes.
diff --git a/influxdb.cabal b/influxdb.cabal
--- a/influxdb.cabal
+++ b/influxdb.cabal
@@ -1,5 +1,5 @@
 name: influxdb
-version: 1.6.0
+version: 1.6.0.1
 synopsis: Haskell client library for InfluxDB
 description:
   @influxdb@ is a Haskell client library for InfluxDB.
@@ -78,7 +78,7 @@
     , bytestring >= 0.10 && < 0.11
     , clock >= 0.7 && < 0.8
     , containers >= 0.5 && < 0.6
-    , foldl < 1.4
+    , foldl < 1.5
     , http-client >= 0.5 && < 0.6
     , http-types >= 0.8.6 && < 0.13
     , lens >= 4.9 && < 4.17