chore: release main (#5928)

diff --git a/.release-please-manifest-submodules.json b/.release-please-manifest-submodules.json
index e046fda..f52555d 100644
--- a/.release-please-manifest-submodules.json
+++ b/.release-please-manifest-submodules.json
@@ -18,7 +18,7 @@
   "cloudbuild": "1.2.0",
   "clouddms": "1.2.0",
   "cloudtasks": "1.3.0",
-  "compute": "1.6.0",
+  "compute": "1.6.1",
   "contactcenterinsights": "1.2.0",
   "container": "1.2.0",
   "containeranalysis": "0.3.0",
diff --git a/compute/CHANGES.md b/compute/CHANGES.md
index fb0c64c..005a761 100644
--- a/compute/CHANGES.md
+++ b/compute/CHANGES.md
@@ -1,5 +1,12 @@
 # Changes
 
+### [1.6.1](https://github.com/googleapis/google-cloud-go/compare/compute/v1.6.0...compute/v1.6.1) (2022-04-21)
+
+
+### Bug Fixes
+
+* **compute:** revert proto3_optional, required removal on parent_id ([#714](https://github.com/googleapis/google-cloud-go/issues/714)) ([d4ea7dd](https://github.com/googleapis/google-cloud-go/commit/d4ea7dd68bf2b858481727afd8a8830e31a9fe55))
+
 ## [1.6.0](https://github.com/googleapis/google-cloud-go/compare/compute/v1.5.0...compute/v1.6.0) (2022-04-14)
 
 
diff --git a/compute/internal/version.go b/compute/internal/version.go
index 05d3396..b819fa7 100644
--- a/compute/internal/version.go
+++ b/compute/internal/version.go
@@ -15,4 +15,4 @@
 package internal
 
 // Version is the current tagged release of the library.
-const Version = "1.6.0"
+const Version = "1.6.1"