Release Error Prone 2.42.0

diff --git a/annotation/pom.xml b/annotation/pom.xml
index fbbba7c..4f962d5 100644
--- a/annotation/pom.xml
+++ b/annotation/pom.xml

@@ -21,7 +21,7 @@
   <parent>
     <groupId>com.google.errorprone</groupId>
     <artifactId>error_prone_parent</artifactId>
-    <version>1.0-HEAD-SNAPSHOT</version>
+    <version>2.42.0</version>
   </parent>
 
   <name>@BugPattern annotation</name>

diff --git a/annotations/pom.xml b/annotations/pom.xml
index 62ebfe8..8135241 100644
--- a/annotations/pom.xml
+++ b/annotations/pom.xml

@@ -21,7 +21,7 @@
   <parent>
     <groupId>com.google.errorprone</groupId>
     <artifactId>error_prone_parent</artifactId>
-    <version>1.0-HEAD-SNAPSHOT</version>
+    <version>2.42.0</version>
   </parent>
 
   <name>error-prone annotations</name>

diff --git a/check_api/pom.xml b/check_api/pom.xml
index b51958e..6a14f58 100644
--- a/check_api/pom.xml
+++ b/check_api/pom.xml

@@ -21,7 +21,7 @@
   <parent>
     <groupId>com.google.errorprone</groupId>
     <artifactId>error_prone_parent</artifactId>
-    <version>1.0-HEAD-SNAPSHOT</version>
+    <version>2.42.0</version>
   </parent>
 
   <name>error-prone check api</name>

diff --git a/core/pom.xml b/core/pom.xml
index c121e74..03b46a5 100644
--- a/core/pom.xml
+++ b/core/pom.xml

@@ -21,7 +21,7 @@
   <parent>
     <groupId>com.google.errorprone</groupId>
     <artifactId>error_prone_parent</artifactId>
-    <version>1.0-HEAD-SNAPSHOT</version>
+    <version>2.42.0</version>
   </parent>
 
   <name>error-prone library</name>

diff --git a/docgen/pom.xml b/docgen/pom.xml
index 8ee0058..4dc90c8 100644
--- a/docgen/pom.xml
+++ b/docgen/pom.xml

@@ -21,7 +21,7 @@
   <parent>
     <groupId>com.google.errorprone</groupId>
     <artifactId>error_prone_parent</artifactId>
-    <version>1.0-HEAD-SNAPSHOT</version>
+    <version>2.42.0</version>
   </parent>
 
   <name>Documentation tool for generating Error Prone bugpattern documentation</name>

diff --git a/docgen_processor/pom.xml b/docgen_processor/pom.xml
index 7d97a4c..cff9ef9 100644
--- a/docgen_processor/pom.xml
+++ b/docgen_processor/pom.xml

@@ -21,7 +21,7 @@
   <parent>
     <groupId>com.google.errorprone</groupId>
     <artifactId>error_prone_parent</artifactId>
-    <version>1.0-HEAD-SNAPSHOT</version>
+    <version>2.42.0</version>
   </parent>
 
   <name>JSR-269 annotation processor for @BugPattern annotation</name>

diff --git a/pom.xml b/pom.xml
index 25855f2..01ad964 100644
--- a/pom.xml
+++ b/pom.xml

@@ -21,7 +21,7 @@
   <name>Error Prone parent POM</name>
   <groupId>com.google.errorprone</groupId>
   <artifactId>error_prone_parent</artifactId>
-  <version>1.0-HEAD-SNAPSHOT</version>
+  <version>2.42.0</version>
   <packaging>pom</packaging>
 
   <description>Error Prone is a static analysis tool for Java that catches common programming mistakes at compile-time.</description>

diff --git a/refaster/pom.xml b/refaster/pom.xml
index 968b0c2..db240f8 100644
--- a/refaster/pom.xml
+++ b/refaster/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <artifactId>error_prone_parent</artifactId>
         <groupId>com.google.errorprone</groupId>
-        <version>1.0-HEAD-SNAPSHOT</version>
+        <version>2.42.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 

diff --git a/test_helpers/pom.xml b/test_helpers/pom.xml
index 5b62054..452f51f 100644
--- a/test_helpers/pom.xml
+++ b/test_helpers/pom.xml

@@ -21,7 +21,7 @@
   <parent>
     <groupId>com.google.errorprone</groupId>
     <artifactId>error_prone_parent</artifactId>
-    <version>1.0-HEAD-SNAPSHOT</version>
+    <version>2.42.0</version>
   </parent>
 
   <name>error-prone test helpers</name>

diff --git a/type_annotations/pom.xml b/type_annotations/pom.xml
index ce7176f..3b072e5 100644
--- a/type_annotations/pom.xml
+++ b/type_annotations/pom.xml

@@ -21,7 +21,7 @@
   <parent>
     <groupId>com.google.errorprone</groupId>
     <artifactId>error_prone_parent</artifactId>
-    <version>1.0-HEAD-SNAPSHOT</version>
+    <version>2.42.0</version>
   </parent>
 
   <name>error-prone type annotations</name>