diff --git a/CHANGELOG.md b/CHANGELOG.md
index f46ebac11c..2cf2c5440c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## [2.18.0](https://github.com/googleapis/java-storage/compare/v2.17.2...v2.18.0) (2023-02-03)
+
+
+### Features
+
+* Add Storage.BlobWriteOption.{meta,}generation{Not,}Match(long) methods to allow literal value construction ([#1875](https://github.com/googleapis/java-storage/issues/1875)) ([a9fab09](https://github.com/googleapis/java-storage/commit/a9fab098e23c93887f0aae8a5de6e3477d5f0f0c))
+* Setting up 2.15.x ([#1880](https://github.com/googleapis/java-storage/issues/1880)) ([1c88e83](https://github.com/googleapis/java-storage/commit/1c88e83974798d39a63ea4dd85d8f5bb9cb8f88c))
+
 ## [2.17.2](https://github.com/googleapis/java-storage/compare/v2.17.1...v2.17.2) (2023-01-23)
 
 
diff --git a/gapic-google-cloud-storage-v2/pom.xml b/gapic-google-cloud-storage-v2/pom.xml
index e5eb95ace6..8dc502c65d 100644
--- a/gapic-google-cloud-storage-v2/pom.xml
+++ b/gapic-google-cloud-storage-v2/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>gapic-google-cloud-storage-v2</artifactId>
-  <version>2.17.3-alpha-SNAPSHOT</version><!-- {x-version-update:gapic-google-cloud-storage-v2:current} -->
+  <version>2.18.0-alpha</version><!-- {x-version-update:gapic-google-cloud-storage-v2:current} -->
   <name>gapic-google-cloud-storage-v2</name>
   <description>GRPC library for gapic-google-cloud-storage-v2</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-storage-parent</artifactId>
-    <version>2.17.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-storage:current} -->
+    <version>2.18.0</version><!-- {x-version-update:google-cloud-storage:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/google-cloud-storage-bom/pom.xml b/google-cloud-storage-bom/pom.xml
index 4890cc11c1..0a19695dd6 100644
--- a/google-cloud-storage-bom/pom.xml
+++ b/google-cloud-storage-bom/pom.xml
@@ -19,7 +19,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-storage-bom</artifactId>
-  <version>2.17.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-storage:current} -->
+  <version>2.18.0</version><!-- {x-version-update:google-cloud-storage:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -69,22 +69,22 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-storage</artifactId>
-        <version>2.17.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-storage:current} -->
+        <version>2.18.0</version><!-- {x-version-update:google-cloud-storage:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>gapic-google-cloud-storage-v2</artifactId>
-        <version>2.17.3-alpha-SNAPSHOT</version><!-- {x-version-update:gapic-google-cloud-storage-v2:current} -->
+        <version>2.18.0-alpha</version><!-- {x-version-update:gapic-google-cloud-storage-v2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-storage-v2</artifactId>
-        <version>2.17.3-alpha-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-storage-v2:current} -->
+        <version>2.18.0-alpha</version><!-- {x-version-update:grpc-google-cloud-storage-v2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-storage-v2</artifactId>
-        <version>2.17.3-alpha-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-storage-v2:current} -->
+        <version>2.18.0-alpha</version><!-- {x-version-update:proto-google-cloud-storage-v2:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/google-cloud-storage/pom.xml b/google-cloud-storage/pom.xml
index 97a7d2e44b..1765974b26 100644
--- a/google-cloud-storage/pom.xml
+++ b/google-cloud-storage/pom.xml
@@ -2,7 +2,7 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 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-storage</artifactId>
-  <version>2.17.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-storage:current} -->
+  <version>2.18.0</version><!-- {x-version-update:google-cloud-storage:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud Storage</name>
   <url>https://github.com/googleapis/java-storage</url>
@@ -12,7 +12,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-storage-parent</artifactId>
-    <version>2.17.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-storage:current} -->
+    <version>2.18.0</version><!-- {x-version-update:google-cloud-storage:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-storage</site.installationModule>
diff --git a/grpc-google-cloud-storage-v2/pom.xml b/grpc-google-cloud-storage-v2/pom.xml
index 1ae1e266a6..1deba08e2b 100644
--- a/grpc-google-cloud-storage-v2/pom.xml
+++ b/grpc-google-cloud-storage-v2/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-storage-v2</artifactId>
-  <version>2.17.3-alpha-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-storage-v2:current} -->
+  <version>2.18.0-alpha</version><!-- {x-version-update:grpc-google-cloud-storage-v2:current} -->
   <name>grpc-google-cloud-storage-v2</name>
   <description>GRPC library for grpc-google-cloud-storage-v2</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-storage-parent</artifactId>
-    <version>2.17.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-storage:current} -->
+    <version>2.18.0</version><!-- {x-version-update:google-cloud-storage:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/pom.xml b/pom.xml
index 06a2615ced..67f89ea900 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-storage-parent</artifactId>
   <packaging>pom</packaging>
-  <version>2.17.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-storage:current} -->
+  <version>2.18.0</version><!-- {x-version-update:google-cloud-storage:current} -->
   <name>Storage Parent</name>
   <url>https://github.com/googleapis/java-storage</url>
   <description>
@@ -70,7 +70,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-storage</artifactId>
-        <version>2.17.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-storage:current} -->
+        <version>2.18.0</version><!-- {x-version-update:google-cloud-storage:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.apis</groupId>
@@ -111,17 +111,17 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-storage-v2</artifactId>
-        <version>2.17.3-alpha-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-storage-v2:current} -->
+        <version>2.18.0-alpha</version><!-- {x-version-update:proto-google-cloud-storage-v2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-storage-v2</artifactId>
-        <version>2.17.3-alpha-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-storage-v2:current} -->
+        <version>2.18.0-alpha</version><!-- {x-version-update:grpc-google-cloud-storage-v2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>gapic-google-cloud-storage-v2</artifactId>
-        <version>2.17.3-alpha-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-storage-v2:current} -->
+        <version>2.18.0-alpha</version><!-- {x-version-update:grpc-google-cloud-storage-v2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
diff --git a/proto-google-cloud-storage-v2/pom.xml b/proto-google-cloud-storage-v2/pom.xml
index a70f90d8f8..84c795cda3 100644
--- a/proto-google-cloud-storage-v2/pom.xml
+++ b/proto-google-cloud-storage-v2/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-storage-v2</artifactId>
-  <version>2.17.3-alpha-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-storage-v2:current} -->
+  <version>2.18.0-alpha</version><!-- {x-version-update:proto-google-cloud-storage-v2:current} -->
   <name>proto-google-cloud-storage-v2</name>
   <description>PROTO library for proto-google-cloud-storage-v2</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-storage-parent</artifactId>
-    <version>2.17.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-storage:current} -->
+    <version>2.18.0</version><!-- {x-version-update:google-cloud-storage:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index 6bec198762..fff63a55bb 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-storage</artifactId>
-      <version>2.17.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-storage:current} -->
+      <version>2.18.0</version><!-- {x-version-update:google-cloud-storage:current} -->
     </dependency>
 
     <dependency>
diff --git a/versions.txt b/versions.txt
index 99d662c40f..c2a18720cc 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,7 +1,7 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-storage:2.17.2:2.17.3-SNAPSHOT
-gapic-google-cloud-storage-v2:2.17.2-alpha:2.17.3-alpha-SNAPSHOT
-grpc-google-cloud-storage-v2:2.17.2-alpha:2.17.3-alpha-SNAPSHOT
-proto-google-cloud-storage-v2:2.17.2-alpha:2.17.3-alpha-SNAPSHOT
+google-cloud-storage:2.18.0:2.18.0
+gapic-google-cloud-storage-v2:2.18.0-alpha:2.18.0-alpha
+grpc-google-cloud-storage-v2:2.18.0-alpha:2.18.0-alpha
+proto-google-cloud-storage-v2:2.18.0-alpha:2.18.0-alpha