diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 4b6cc3c8987..6d2723c72ad 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.46.0"
+  ".": "1.45.0"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a48ff027478..9c0a80f07cf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,12 +1,5 @@
 # Changelog
 
-## [1.46.0](https://github.com/googleapis/java-genai/compare/v1.45.0...v1.46.0) (2026-04-01)
-
-
-### Bug Fixes
-
-* Fix service_tier enums. ([d4641e4](https://github.com/googleapis/java-genai/commit/d4641e422c4dff90fc6a62cdbbe3e0d634b64740))
-
 ## [1.45.0](https://github.com/googleapis/java-genai/compare/v1.44.0...v1.45.0) (2026-03-28)
 
 
diff --git a/README.md b/README.md
index 423410d4fd9..6cf64b8cea2 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ If you're using Maven, add the following to your dependencies:
   <dependency>
     <groupId>com.google.genai</groupId>
     <artifactId>google-genai</artifactId>
-    <version>1.46.0</version>
+    <version>1.45.0</version>
   </dependency>
 </dependencies>
 ```
diff --git a/examples/pom.xml b/examples/pom.xml
index 90132d8d56a..0e233090d93 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -5,7 +5,7 @@
 
   <groupId>com.google.genai.examples</groupId>
   <artifactId>google-genai-examples</artifactId>
-  <version>1.46.0</version><!-- {x-version-update:google-genai:current} -->
+  <version>1.46.0-SNAPSHOT</version><!-- {x-version-update:google-genai:current} -->
   <name>google-genai-examples</name>
 
   <properties>
@@ -13,7 +13,7 @@
     <maven.compiler.source>1.8</maven.compiler.source>
     <maven.compiler.target>1.8</maven.compiler.target>
     <!-- {x-version-update-start:google-genai:current} -->
-    <google-genai.version>1.46.0</google-genai.version>
+    <google-genai.version>1.46.0-SNAPSHOT</google-genai.version>
     <!-- {x-version-update-end} -->
   </properties>
   <build>
diff --git a/pom.xml b/pom.xml
index b39ee809325..806b3a61cb8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
   <groupId>com.google.genai</groupId>
   <artifactId>google-genai</artifactId>
   <name>google-genai</name>
-  <version>1.46.0</version><!-- {x-version-update:google-genai:current} -->
+  <version>1.46.0-SNAPSHOT</version><!-- {x-version-update:google-genai:current} -->
   <packaging>jar</packaging>
   <description>
     Java idiomatic SDK for the Gemini Developer APIs and Vertex AI APIs.
@@ -55,6 +55,8 @@
     <junit.version>5.11.4</junit.version>
     <java-websocket.version>1.6.0</java-websocket.version>
     <okhttp.version>4.12.0</okhttp.version>
+    <main.java.src.dir>src/main/java</main.java.src.dir>
+    <test.java.src.dir>src/test/java</test.java.src.dir>
   </properties>
 
   <distributionManagement>
@@ -166,6 +168,8 @@
   </dependencies>
 
   <build>
+    <sourceDirectory>${project.basedir}/${main.java.src.dir}</sourceDirectory>
+    <testSourceDirectory>${project.basedir}/${test.java.src.dir}</testSourceDirectory>
     <extensions>
       <extension>
         <groupId>kr.motd.maven</groupId>
@@ -467,5 +471,6 @@
         </plugins>
       </build>
     </profile>
+
   </profiles>
 </project>
\ No newline at end of file
diff --git a/src/main/java/com/google/genai/ApiClient.java b/src/main/java/com/google/genai/ApiClient.java
index 3b1d3416a7e..b50b13525e7 100644
--- a/src/main/java/com/google/genai/ApiClient.java
+++ b/src/main/java/com/google/genai/ApiClient.java
@@ -58,7 +58,7 @@
 public abstract class ApiClient implements AutoCloseable {
 
   // {x-version-update-start:google-genai:released}
-  private static final String SDK_VERSION = "1.46.0";
+  private static final String SDK_VERSION = "1.45.0";
   // {x-version-update-end:google-genai:released}
   private static final Logger logger = Logger.getLogger(ApiClient.class.getName());
 
diff --git a/versions.txt b/versions.txt
index 101490e1208..8208591ff1e 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,4 +1,4 @@
 # Format:
 # module:released-version:current-version
 
-google-genai:1.46.0:1.46.0
\ No newline at end of file
+google-genai:1.45.0:1.46.0-SNAPSHOT
\ No newline at end of file