diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Revision history for influxdb
 
+## v1.6.0.4 - 2018-06-18
+
+* Relax upper version bound for containers
+
 ## v1.6.0.3 - 2018-06-11
 
 * Relax upper version bound for aeson
diff --git a/influxdb.cabal b/influxdb.cabal
--- a/influxdb.cabal
+++ b/influxdb.cabal
@@ -1,5 +1,5 @@
 name: influxdb
-version: 1.6.0.3
+version: 1.6.0.4
 synopsis: Haskell client library for InfluxDB
 description:
   @influxdb@ is a Haskell client library for InfluxDB.
@@ -77,7 +77,7 @@
     , attoparsec < 0.14
     , bytestring >= 0.10 && < 0.11
     , clock >= 0.7 && < 0.8
-    , containers >= 0.5 && < 0.6
+    , containers >= 0.5 && < 0.7
     , foldl < 1.5
     , http-client >= 0.5 && < 0.6
     , http-types >= 0.8.6 && < 0.13