chore: release pubsub/v1.6.1 (#2648)

diff --git a/internal/version/version.go b/internal/version/version.go
index 10b0e8c..ebeb65d 100644
--- a/internal/version/version.go
+++ b/internal/version/version.go
@@ -26,7 +26,7 @@
 
 // Repo is the current version of the client libraries in this
 // repo. It should be a date in YYYYMMDD format.
-const Repo = "20200722"
+const Repo = "20200727"
 
 // Go returns the Go runtime version. The returned string
 // has no whitespace.
diff --git a/pubsub/CHANGES.md b/pubsub/CHANGES.md
index c130bae..28b0534 100644
--- a/pubsub/CHANGES.md
+++ b/pubsub/CHANGES.md
@@ -1,5 +1,9 @@
 # Changes
 
+## v1.6.1
+
+- Fix issue where EnableMessageOrdering wasn't being parsed properly to `SubscriptionConfig`.
+
 ## v1.6.0
 
 - Fix issue where subscriber streams were limited because it was using a single grpc conn.