diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index d00ccc12eb30..cb0c1020f9a0 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -773,7 +773,7 @@
   "google-cloud-service_usage-v1+FILLER": "0.0.0",
   "google-cloud-shell": "1.5.2",
   "google-cloud-shell+FILLER": "0.0.0",
-  "google-cloud-shell-v1": "1.5.1",
+  "google-cloud-shell-v1": "1.6.0",
   "google-cloud-shell-v1+FILLER": "0.0.0",
   "google-cloud-spanner-admin-database-v1": "1.12.0",
   "google-cloud-spanner-admin-database-v1+FILLER": "0.0.0",
diff --git a/google-cloud-shell-v1/CHANGELOG.md b/google-cloud-shell-v1/CHANGELOG.md
index a4ee4fab8802..c46638346787 100644
--- a/google-cloud-shell-v1/CHANGELOG.md
+++ b/google-cloud-shell-v1/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+### 1.6.0 (2026-03-19)
+
+#### Features
+
+* Upgrade dependencies for Ruby v4.0 and drop Ruby v3.1 support
+
 ### 1.5.1 (2025-10-27)
 
 #### Documentation
diff --git a/google-cloud-shell-v1/lib/google/cloud/shell/v1/version.rb b/google-cloud-shell-v1/lib/google/cloud/shell/v1/version.rb
index cdd207f022e6..9319544399f5 100644
--- a/google-cloud-shell-v1/lib/google/cloud/shell/v1/version.rb
+++ b/google-cloud-shell-v1/lib/google/cloud/shell/v1/version.rb
@@ -21,7 +21,7 @@ module Google
   module Cloud
     module Shell
       module V1
-        VERSION = "1.5.1"
+        VERSION = "1.6.0"
       end
     end
   end
diff --git a/google-cloud-shell-v1/snippets/snippet_metadata_google.cloud.shell.v1.json b/google-cloud-shell-v1/snippets/snippet_metadata_google.cloud.shell.v1.json
index c5ccaaeca335..c9da34982821 100644
--- a/google-cloud-shell-v1/snippets/snippet_metadata_google.cloud.shell.v1.json
+++ b/google-cloud-shell-v1/snippets/snippet_metadata_google.cloud.shell.v1.json
@@ -1,7 +1,7 @@
 {
   "client_library": {
     "name": "google-cloud-shell-v1",
-    "version": "1.5.1",
+    "version": "1.6.0",
     "language": "RUBY",
     "apis": [
       {