diff --git a/CHANGELOG.md b/CHANGELOG.md
index 53f6b4a..67abc13 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## Unreleased
+## Version 1.42.0 (2026-06-16)
 
 * Bump to semconv v1.42.0
   ([#497](https://github.com/open-telemetry/semantic-conventions-java/pull/497))
diff --git a/build.gradle.kts b/build.gradle.kts
index 21a9dcb..7049f23 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -7,7 +7,7 @@ plugins {
 }
 
 // start - updated by ./.github/workflows/prepare-release-branch.yml
-val snapshot = true
+val snapshot = false
 // end
 
 // The release version of https://github.com/open-telemetry/semantic-conventions used to generate classes
diff --git a/docs/apidiffs/current_vs_latest/opentelemetry-semconv.txt b/docs/apidiffs/current_vs_latest/opentelemetry-semconv.txt
index d674522..90b0124 100644
--- a/docs/apidiffs/current_vs_latest/opentelemetry-semconv.txt
+++ b/docs/apidiffs/current_vs_latest/opentelemetry-semconv.txt
@@ -1,4 +1,4 @@
-Comparing source compatibility of opentelemetry-semconv-1.42.0-SNAPSHOT.jar against opentelemetry-semconv-1.41.1.jar
+Comparing source compatibility of opentelemetry-semconv-1.42.0.jar against opentelemetry-semconv-1.41.1.jar
 +++  NEW CLASS: PUBLIC(+) FINAL(+) io.opentelemetry.semconv.ContainerAttributes  (not serializable)
 	+++  CLASS FILE FORMAT VERSION: 52.0 <- n.a.
 	+++  NEW SUPERCLASS: java.lang.Object