diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index d627c1814dca..55e4bb8fa15f 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -679,7 +679,7 @@
   "google-cloud-spanner-admin-database-v1+FILLER": "0.0.0",
   "google-cloud-spanner-admin-instance-v1": "1.1.1",
   "google-cloud-spanner-admin-instance-v1+FILLER": "0.0.0",
-  "google-cloud-spanner-v1": "1.0.2",
+  "google-cloud-spanner-v1": "1.1.0",
   "google-cloud-spanner-v1+FILLER": "0.0.0",
   "google-cloud-speech": "1.7.1",
   "google-cloud-speech+FILLER": "0.0.0",
diff --git a/google-cloud-spanner-v1/CHANGELOG.md b/google-cloud-spanner-v1/CHANGELOG.md
index 4f878f70d8d0..274c1028894c 100644
--- a/google-cloud-spanner-v1/CHANGELOG.md
+++ b/google-cloud-spanner-v1/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Release History
 
+### 1.1.0 (2024-10-01)
+
+#### Features
+
+* add INTERVAL API 
+* add new QueryMode enum values (WITH_STATS, WITH_PLAN_AND_STATS) 
+#### Documentation
+
+* update comment for PROFILE QueryMode ([#27385](https://github.com/googleapis/google-cloud-ruby/issues/27385)) 
+
 ### 1.0.2 (2024-08-30)
 
 #### Documentation
diff --git a/google-cloud-spanner-v1/lib/google/cloud/spanner/v1/version.rb b/google-cloud-spanner-v1/lib/google/cloud/spanner/v1/version.rb
index 0764ff05690d..969c4e22c263 100644
--- a/google-cloud-spanner-v1/lib/google/cloud/spanner/v1/version.rb
+++ b/google-cloud-spanner-v1/lib/google/cloud/spanner/v1/version.rb
@@ -21,7 +21,7 @@ module Google
   module Cloud
     module Spanner
       module V1
-        VERSION = "1.0.2"
+        VERSION = "1.1.0"
       end
     end
   end