diff --git a/metrics_sdk/CHANGELOG.md b/metrics_sdk/CHANGELOG.md
index 08d616d5fc..7f535a2f98 100644
--- a/metrics_sdk/CHANGELOG.md
+++ b/metrics_sdk/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Release History: opentelemetry-metrics-sdk
 
+### v0.9.0 / 2025-08-19
+
+* ADDED: Add `LOWMEMORY` option to `OTEL_EXPORTER_OTLP_METRICS_TEMPORALITY_PREFERENCE`
+
 ### v0.8.0 / 2025-08-14
 
 - BREAKING CHANGE: Update default aggregation temporality for counter, histogram, and up down counter to cumulative
diff --git a/metrics_sdk/lib/opentelemetry/sdk/metrics/version.rb b/metrics_sdk/lib/opentelemetry/sdk/metrics/version.rb
index d40603a16c..8dcc2b482c 100644
--- a/metrics_sdk/lib/opentelemetry/sdk/metrics/version.rb
+++ b/metrics_sdk/lib/opentelemetry/sdk/metrics/version.rb
@@ -8,7 +8,7 @@ module OpenTelemetry
   module SDK
     module Metrics
       # Current OpenTelemetry metrics sdk version
-      VERSION = '0.8.0'
+      VERSION = '0.9.0'
     end
   end
 end