diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6abea42c..3d1ea4b4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## Unreleased
+## Version 1.20.0 (2022-11-17)
 
 ### AWS X-Ray propagator
 
diff --git a/version.gradle.kts b/version.gradle.kts
index babc9e12..2e88d957 100644
--- a/version.gradle.kts
+++ b/version.gradle.kts
@@ -1,5 +1,5 @@
-val stableVersion = "1.20.0-SNAPSHOT"
-val alphaVersion = "1.20.0-alpha-SNAPSHOT"
+val stableVersion = "1.20.0"
+val alphaVersion = "1.20.0-alpha"
 
 allprojects {
   if (findProperty("otel.stable") != "true") {