diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,10 @@
 updates with no change for compatibility with the corresponding
 mattermost-api of the same version.
 
+50200.1.3
+=========
+
+ * Updated for mattermost-api version 50200.1.3.
 
 50200.1.2
 =========
diff --git a/mattermost-api-qc.cabal b/mattermost-api-qc.cabal
--- a/mattermost-api-qc.cabal
+++ b/mattermost-api-qc.cabal
@@ -1,7 +1,12 @@
 name:                mattermost-api-qc
-version:             50200.1.2
-description:         A testing library for the mattermost-api library
+version:             50200.1.3
 synopsis:            QuickCheck instances for the Mattermost client API library
+
+description:         A library providing QuickCheck for the mattermost-api
+                     library to allow testing.  This is provided as a
+                     separate library to allow use of the API library
+                     without testing dependencies.
+
 homepage:            https://github.com/matterhorn-chat/mattermost-api-qc
 license:             ISC
 license-file:        LICENSE
@@ -11,7 +16,7 @@
 category:            Testing
 build-type:          Simple
 extra-source-files:  CHANGELOG.md
-cabal-version:       >=1.10
+cabal-version:       1.18
 tested-with:         GHC == 8.0.2
 
 source-repository    head
@@ -22,7 +27,7 @@
   exposed-modules:     Network.Mattermost.QuickCheck
   build-depends:       base >=4.4 && <5
                      , containers
-                     , mattermost-api == 50200.1.2
+                     , mattermost-api == 50200.1.3
                      , QuickCheck
                      , text
                      , time
diff --git a/src/Network/Mattermost/QuickCheck.hs b/src/Network/Mattermost/QuickCheck.hs
--- a/src/Network/Mattermost/QuickCheck.hs
+++ b/src/Network/Mattermost/QuickCheck.hs
@@ -66,6 +66,7 @@
 genPostProps = PostProps
                <$> genMaybe genText
                <*> genMaybe genText
+               <*> genMaybe arbitrary
                <*> attached
                <*> genMaybe genText
                <*> genMaybe genText
