diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 88e619469..33c8fbfcb 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -84,7 +84,7 @@ PLUGINS=structs,mailer TEST=InjectedTest bash local-test.sh
 optionally also passing either
 
 ```
-LINE=2.516.x
+LINE=2.528.x
 ```
 
 or
diff --git a/README.md b/README.md
index 216557b57..a14c2f535 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ If you are interested in a Bill of Materials for Jenkins core components, see [t
 After [selecting your plugin’s LTS baseline](https://www.jenkins.io/doc/developer/plugin-development/choosing-jenkins-baseline/):
 
 ```xml
-<jenkins.baseline>2.516</jenkins.baseline>
+<jenkins.baseline>2.528</jenkins.baseline>
 <jenkins.version>${jenkins.baseline}.3</jenkins.version>
 ```
 
@@ -105,6 +105,7 @@ When an older Jenkins version is used, then the matching older version of the pl
 | bom-2.479.x | 5054.v620b_5d2b_d5e6  | First LTS to require Java 17 |
 | bom-2.492.x | 5473.vb_9533d9e5d88   |                              |
 | bom-2.504.x | 5983.v443959746f1f    |                              |
+| bom-2.516.x | 6210.v69ea_fd8a_f010  |                              |
 
 The latest versions of all BOM lines are available from the [Jenkins artifact repository](https://repo.jenkins-ci.org/public/io/jenkins/tools/bom).
 
diff --git a/bom-2.516.x/pom.xml b/bom-2.516.x/pom.xml
deleted file mode 100644
index 1f1042bec..000000000
--- a/bom-2.516.x/pom.xml
+++ /dev/null
@@ -1,82 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<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>
-  <parent>
-    <groupId>io.jenkins.tools.bom</groupId>
-    <artifactId>parent</artifactId>
-    <version>${changelist}</version>
-  </parent>
-  <artifactId>bom-2.516.x</artifactId>
-  <packaging>pom</packaging>
-  <properties>
-    <cloudbees-folder-plugin.version>6.1053.vd62fb_b_f7367b_</cloudbees-folder-plugin.version>
-    <pipeline-maven-plugin.version>1611.v6a_00c04177b_b_</pipeline-maven-plugin.version>
-  </properties>
-  <dependencyManagement>
-    <dependencies>
-      <dependency>
-        <groupId>${project.groupId}</groupId>
-        <artifactId>bom-2.528.x</artifactId>
-        <version>${project.version}</version>
-        <type>pom</type>
-        <scope>import</scope>
-      </dependency>
-      <dependency>
-        <groupId>igalg.jenkins.plugins</groupId>
-        <artifactId>multibranch-build-strategy-extension</artifactId>
-        <version>64.v348e3c69f1f5</version>
-      </dependency>
-      <dependency>
-        <groupId>io.jenkins.plugins</groupId>
-        <artifactId>dark-theme</artifactId>
-        <version>574.va_19f05d54df5</version>
-      </dependency>
-      <dependency>
-        <groupId>io.jenkins.plugins</groupId>
-        <artifactId>oidc-provider</artifactId>
-        <version>170.v15f73e25a_e28</version>
-      </dependency>
-      <dependency>
-        <groupId>org.jenkins-ci.plugins</groupId>
-        <artifactId>cloudbees-folder</artifactId>
-        <version>${cloudbees-folder-plugin.version}</version>
-      </dependency>
-      <dependency>
-        <groupId>org.jenkins-ci.plugins</groupId>
-        <artifactId>cloudbees-folder</artifactId>
-        <version>${cloudbees-folder-plugin.version}</version>
-        <classifier>tests</classifier>
-      </dependency>
-      <dependency>
-        <groupId>org.jenkins-ci.plugins</groupId>
-        <artifactId>credentials</artifactId>
-        <version>1487.va_d001ede2c31</version>
-      </dependency>
-      <dependency>
-        <groupId>org.jenkins-ci.plugins</groupId>
-        <artifactId>envinject</artifactId>
-        <version>2.926.v69c9b_3896a_96</version>
-      </dependency>
-      <dependency>
-        <groupId>org.jenkins-ci.plugins</groupId>
-        <artifactId>parameterized-scheduler</artifactId>
-        <version>378.va_234d1c44456</version>
-      </dependency>
-      <dependency>
-        <groupId>org.jenkins-ci.plugins</groupId>
-        <artifactId>pipeline-maven</artifactId>
-        <version>${pipeline-maven-plugin.version}</version>
-      </dependency>
-      <dependency>
-        <groupId>org.jenkins-ci.plugins</groupId>
-        <artifactId>pipeline-maven-api</artifactId>
-        <version>${pipeline-maven-plugin.version}</version>
-      </dependency>
-      <dependency>
-        <groupId>org.jenkins-ci.plugins</groupId>
-        <artifactId>pipeline-maven-database</artifactId>
-        <version>${pipeline-maven-plugin.version}</version>
-      </dependency>
-    </dependencies>
-  </dependencyManagement>
-</project>
diff --git a/bom-2.541.x/pom.xml b/bom-2.541.x/pom.xml
index 3b1b5ee57..fc031b338 100644
--- a/bom-2.541.x/pom.xml
+++ b/bom-2.541.x/pom.xml
@@ -15,22 +15,11 @@
     <dependencies>
       <dependency>
         <groupId>${project.groupId}</groupId>
-        <artifactId>bom-weekly</artifactId>
+        <artifactId>bom-2.555.x</artifactId>
         <version>${project.version}</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
-      <dependency>
-        <groupId>org.jenkins-ci.plugins.workflow</groupId>
-        <artifactId>workflow-job</artifactId>
-        <version>${workflow-job-plugin.version}</version>
-      </dependency>
-      <dependency>
-        <groupId>org.jenkins-ci.plugins.workflow</groupId>
-        <artifactId>workflow-job</artifactId>
-        <version>${workflow-job-plugin.version}</version>
-        <classifier>tests</classifier>
-      </dependency>
     </dependencies>
   </dependencyManagement>
 </project>
diff --git a/bom-2.555.x/pom.xml b/bom-2.555.x/pom.xml
new file mode 100644
index 000000000..675577d05
--- /dev/null
+++ b/bom-2.555.x/pom.xml
@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<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>
+  <parent>
+    <groupId>io.jenkins.tools.bom</groupId>
+    <artifactId>parent</artifactId>
+    <version>${changelist}</version>
+  </parent>
+  <artifactId>bom-2.555.x</artifactId>
+  <packaging>pom</packaging>
+  <properties>
+    <workflow-job-plugin.version>1571.vb_423c255d6d9</workflow-job-plugin.version>
+  </properties>
+  <dependencyManagement>
+    <dependencies>
+      <dependency>
+        <groupId>${project.groupId}</groupId>
+        <artifactId>bom-weekly</artifactId>
+        <version>${project.version}</version>
+        <type>pom</type>
+        <scope>import</scope>
+      </dependency>
+      <dependency>
+        <groupId>org.jenkins-ci.plugins.workflow</groupId>
+        <artifactId>workflow-job</artifactId>
+        <version>${workflow-job-plugin.version}</version>
+      </dependency>
+      <dependency>
+        <groupId>org.jenkins-ci.plugins.workflow</groupId>
+        <artifactId>workflow-job</artifactId>
+        <version>${workflow-job-plugin.version}</version>
+        <classifier>tests</classifier>
+      </dependency>
+    </dependencies>
+  </dependencyManagement>
+</project>
diff --git a/pom.xml b/pom.xml
index bacf4be25..44e273507 100644
--- a/pom.xml
+++ b/pom.xml
@@ -20,9 +20,9 @@
   </licenses>
   <modules>
     <module>bom-weekly</module>
+    <module>bom-2.555.x</module>
     <module>bom-2.541.x</module>
     <module>bom-2.528.x</module>
-    <module>bom-2.516.x</module>
     <module>sample-plugin</module>
   </modules>
   <scm child.scm.connection.inherit.append.path="false" child.scm.developerConnection.inherit.append.path="false" child.scm.url.inherit.append.path="false">
diff --git a/release-manager-scripts/bom-test-all-lines.sh b/release-manager-scripts/bom-test-all-lines.sh
index 34f0e9fa6..3b181a08c 100755
--- a/release-manager-scripts/bom-test-all-lines.sh
+++ b/release-manager-scripts/bom-test-all-lines.sh
@@ -9,6 +9,6 @@ if [[ $# -ne 1 ]]; then
 fi
 
 ${HERE}/bom-line-test.sh weekly $1
+${HERE}/bom-line-test.sh 2.551.x $1
 ${HERE}/bom-line-test.sh 2.541.x $1
 ${HERE}/bom-line-test.sh 2.528.x $1
-${HERE}/bom-line-test.sh 2.516.x $1
diff --git a/sample-plugin/pom.xml b/sample-plugin/pom.xml
index 0c951dca1..ba02eb4a9 100644
--- a/sample-plugin/pom.xml
+++ b/sample-plugin/pom.xml
@@ -1697,6 +1697,14 @@
   </build>
   <profiles>
     <!-- Use .1 of most recent active line, and .3 (or later) of previous lines: https://www.jenkins.io/doc/developer/plugin-development/choosing-jenkins-baseline/#choosing-a-version -->
+    <profile>
+      <id>2.555.x</id>
+      <properties>
+        <bom>2.555.x</bom>
+        <!-- TODO: Replace with 2.555.1 after release of 2.555.1 -->
+        <jenkins.version>2.555</jenkins.version>
+      </properties>
+    </profile>
     <profile>
       <id>2.541.x</id>
       <properties>
@@ -1711,12 +1719,5 @@
         <jenkins.version>2.528.3</jenkins.version>
       </properties>
     </profile>
-    <profile>
-      <id>2.516.x</id>
-      <properties>
-        <bom>2.516.x</bom>
-        <jenkins.version>2.516.3</jenkins.version>
-      </properties>
-    </profile>
   </profiles>
 </project>