diff --git a/.github/readme/synth.metadata/synth.metadata b/.github/readme/synth.metadata/synth.metadata
index 6eb605e66d..8112864fa7 100644
--- a/.github/readme/synth.metadata/synth.metadata
+++ b/.github/readme/synth.metadata/synth.metadata
@@ -4,14 +4,14 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-spanner.git",
-        "sha": "41b39bc31355b3e6caaf995f416eb73f0d56dd87"
+        "sha": "fb3cf03fb458b8b294602bd0c07d946907a66288"
       }
     },
     {
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "8032ab5a32471d85ece8fc261df16cc40fbfa4fb"
+        "sha": "63cff634aabb85854caa511c5837ea6b45f42b4b"
       }
     }
   ]
diff --git a/README.md b/README.md
index 6a9e2afdc6..a79970c921 100644
--- a/README.md
+++ b/README.md
@@ -41,7 +41,7 @@ If you are using Maven without BOM, add this to your dependencies:
 <dependency>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-spanner</artifactId>
-  <version>6.11.1</version>
+  <version>6.12.0</version>
 </dependency>
 
 ```