diff --git a/.release-please-manifest-individual.json b/.release-please-manifest-individual.json
index f28e57783b6e..cdc654d79b45 100644
--- a/.release-please-manifest-individual.json
+++ b/.release-please-manifest-individual.json
@@ -12,7 +12,7 @@
   "profiler": "0.4.1",
   "pubsub": "1.41.0",
   "pubsublite": "1.8.2",
-  "spanner": "1.65.0",
+  "spanner": "1.66.0",
   "storage": "1.43.0",
   "vertexai": "0.12.0"
 }
diff --git a/spanner/CHANGES.md b/spanner/CHANGES.md
index 6fc446280630..fa42fc997f68 100644
--- a/spanner/CHANGES.md
+++ b/spanner/CHANGES.md
@@ -1,5 +1,12 @@
 # Changes
 
+## [1.66.0](https://github.com/googleapis/google-cloud-go/compare/spanner/v1.65.0...spanner/v1.66.0) (2024-08-02)
+
+
+### Features
+
+* **spanner/admin/database:** Add support for Cloud Spanner Incremental Backups ([d949cc0](https://github.com/googleapis/google-cloud-go/commit/d949cc0e5d44af62154d9d5fd393f25a852f93ed))
+
 ## [1.65.0](https://github.com/googleapis/google-cloud-go/compare/spanner/v1.64.0...spanner/v1.65.0) (2024-07-29)
 
 
diff --git a/spanner/internal/version.go b/spanner/internal/version.go
index ab3c064f53e1..07e69dd88bd5 100644
--- a/spanner/internal/version.go
+++ b/spanner/internal/version.go
@@ -15,4 +15,4 @@
 package internal
 
 // Version is the current tagged release of the library.
-const Version = "1.65.0"
+const Version = "1.66.0"