diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index d50431845..076281573 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "2.34.0"
+  ".": "2.34.1-rc1"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index ddcb0c48e..1da1d1909 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,21 @@
 # Changelog
 
+## [2.34.1-rc1](https://github.com/googleapis/java-spanner-jdbc/compare/v2.34.0...v2.34.1-rc1) (2025-12-04)
+
+
+### Bug Fixes
+
+* cast double Inf and NaN to float ([#2304](https://github.com/googleapis/java-spanner-jdbc/issues/2304)) ([a947024](https://github.com/googleapis/java-spanner-jdbc/commit/a94702446aee20013157b45bf1d9c3938f0b6982)), closes [#2256](https://github.com/googleapis/java-spanner-jdbc/issues/2256)
+* next release candidate ([3caf5ca](https://github.com/googleapis/java-spanner-jdbc/commit/3caf5caa1879730110e94ac7a804728d335e5890))
+
+
+### Dependencies
+
+* update actions/checkout action to v6 ([#2299](https://github.com/googleapis/java-spanner-jdbc/issues/2299)) ([fbc8969](https://github.com/googleapis/java-spanner-jdbc/commit/fbc8969d66f4687ce91268309a862a0cbe0a114c))
+* update dependency org.springframework.boot:spring-boot to v4 ([#2300](https://github.com/googleapis/java-spanner-jdbc/issues/2300)) ([a6dddf2](https://github.com/googleapis/java-spanner-jdbc/commit/a6dddf2aef2e9d35ec2bf26ea1a1586ab65e122a))
+* update dependency org.springframework.boot:spring-boot-starter-data-jdbc to v4 ([#2301](https://github.com/googleapis/java-spanner-jdbc/issues/2301)) ([92efa98](https://github.com/googleapis/java-spanner-jdbc/commit/92efa986a0880524a3d19685df0e08cf7815a69a))
+* update dependency org.springframework.boot:spring-boot-starter-parent to v3.5.8 ([#2298](https://github.com/googleapis/java-spanner-jdbc/issues/2298)) ([5603846](https://github.com/googleapis/java-spanner-jdbc/commit/5603846fc004a0e31cbcf10bc246d477cd80d9dd))
+
 ## [2.34.0](https://github.com/googleapis/java-spanner-jdbc/compare/v2.33.3...v2.34.0) (2025-11-18)
 
 
diff --git a/README.md b/README.md
index c43a63e3e..1e178c20f 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,7 @@ If you are using Maven, add this to your pom.xml file:
 <dependency>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-spanner-jdbc</artifactId>
-  <version>2.34.0</version>
+  <version>2.34.1-rc1</version>
 </dependency>
 ```
 <!--- {x-version-update-end} -->
@@ -30,7 +30,7 @@ If you are using Gradle without BOM, add this to your dependencies
 
 <!--- {x-version-update-start:google-cloud-spanner-jdbc:released} -->
 ```Groovy
-implementation 'com.google.cloud:google-cloud-spanner-jdbc:2.34.0'
+implementation 'com.google.cloud:google-cloud-spanner-jdbc:2.34.1-rc1'
 ```
 <!--- {x-version-update-end} -->
 
@@ -38,7 +38,7 @@ If you are using SBT, add this to your dependencies
 
 <!--- {x-version-update-start:google-cloud-spanner-jdbc:released} -->
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-spanner-jdbc" % "2.34.0"
+libraryDependencies += "com.google.cloud" % "google-cloud-spanner-jdbc" % "2.34.1-rc1"
 ```
 <!--- {x-version-update-end} -->
 
diff --git a/pom.xml b/pom.xml
index 7b8042371..c3515e3db 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <artifactId>google-cloud-spanner-jdbc</artifactId>
-  <version>2.34.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-spanner-jdbc:current} -->
+  <version>2.34.1-rc1</version><!-- {x-version-update:google-cloud-spanner-jdbc:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud Spanner JDBC</name>
   <url>https://github.com/googleapis/java-spanner-jdbc</url>
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index 9e28d67de..908166456 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -29,7 +29,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-spanner-jdbc</artifactId>
-      <version>2.34.1-SNAPSHOT</version>
+      <version>2.34.1-rc1</version>
     </dependency>
     <!-- {x-version-update-end} -->
 
diff --git a/versions.txt b/versions.txt
index e012595c7..b367bae8b 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,4 +1,4 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-spanner-jdbc:2.34.0:2.34.1-SNAPSHOT
+google-cloud-spanner-jdbc:2.34.1-rc1:2.34.1-rc1