diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Change log
 
+## 1.1.1
+
+* Update `iso8601PlusHandler` time output to zero-padded, fixed width fraction of second
+
 ## 1.1.0
 
 * Add `routeHandler`
diff --git a/library/Control/Monad/Log/Extra/Handler.hs b/library/Control/Monad/Log/Extra/Handler.hs
--- a/library/Control/Monad/Log/Extra/Handler.hs
+++ b/library/Control/Monad/Log/Extra/Handler.hs
@@ -60,7 +60,7 @@
                    => Handler m Doc
                    -> Handler m Doc
 iso8601PlusHandler = customTimestampHandler formatter where
-  formatter = Time.formatTime Time.defaultTimeLocale "%Y-%m-%dT%H:%M:%S%Q"
+  formatter = Time.formatTime Time.defaultTimeLocale "%Y-%m-%dT%H:%M:%S%06Q"
 
 -- | Converts an existing handler into a handler that renders an RFC822
 -- timestamp on every log message.
diff --git a/logging-effect-extra-handler.cabal b/logging-effect-extra-handler.cabal
--- a/logging-effect-extra-handler.cabal
+++ b/logging-effect-extra-handler.cabal
@@ -3,7 +3,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           logging-effect-extra-handler
-version:        1.1.0
+version:        1.1.1
 synopsis:       Handy logging handler combinators
 description:    Handy logging handler combinators.
 category:       Other
diff --git a/package.yaml b/package.yaml
--- a/package.yaml
+++ b/package.yaml
@@ -67,4 +67,4 @@
 maintainer: Jason Shipman
 name: logging-effect-extra-handler
 synopsis: Handy logging handler combinators
-version: '1.1.0'
+version: '1.1.1'