diff --git a/spanner/.release-please-manifest.json b/spanner/.release-please-manifest.json
index 35dc7f5167cb..a8a8a39e43c1 100644
--- a/spanner/.release-please-manifest.json
+++ b/spanner/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-    "spanner": "1.30.1"
+    "spanner": "1.31.0"
 }
diff --git a/spanner/CHANGES.md b/spanner/CHANGES.md
index 2544dc4936cb..df9c0eba2e8f 100644
--- a/spanner/CHANGES.md
+++ b/spanner/CHANGES.md
@@ -1,5 +1,12 @@
 # Changes
 
+## [1.31.0](https://github.com/googleapis/google-cloud-go/compare/spanner/v1.30.1...spanner/v1.31.0) (2022-04-07)
+
+
+### Features
+
+* **spanner/spansql:** support case expression ([#5836](https://github.com/googleapis/google-cloud-go/issues/5836)) ([3ffdd62](https://github.com/googleapis/google-cloud-go/commit/3ffdd626e72c6472f337a423b9702baf0c298185))
+
 ### [1.30.1](https://github.com/googleapis/google-cloud-go/compare/spanner/v1.30.0...spanner/v1.30.1) (2022-03-28)
 
 
diff --git a/spanner/internal/version.go b/spanner/internal/version.go
index 783750d46da9..9c7380dc515f 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 = "1.30.1"
+const Version = "1.31.0"