diff --git a/RELEASE_NOTES b/RELEASE_NOTES
index 2ea54ae3e..7128f8e01 100644
--- a/RELEASE_NOTES
+++ b/RELEASE_NOTES
@@ -1,3 +1,11 @@
+========================================================================
+Amazon CloudWatch Agent Operator v1.4.0 (2024-05-22)
+========================================================================
+Enhancements:
+* [ContainerInsights] Add status handlers for Neuron and DCGM resources to reduce logging (#169)
+* [ApplicationSignals] Support application_signals instead of app_signals (#172)
+* [ContainerInsights] Support tolerations for Neuron and DCGM custom resources (#175)
+
 ========================================================================
 Amazon CloudWatch Agent Operator v1.3.1 (2024-04-24)
 ========================================================================
diff --git a/versions.txt b/versions.txt
index eb65bd2b1..c7137e3ea 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,12 +1,12 @@
 # Represents the latest stable release of the CloudWatch Agent
-cloudwatch-agent=1.300037.0b583
+cloudwatch-agent=1.300040.0b650
 
 # Represents the current release of the CloudWatch Agent Operator.
-operator=1.3.1
+operator=1.4.0
 
 # Represents the current release of ADOT language instrumentation.
-aws-otel-java-instrumentation=v1.32.1
-aws-otel-python-instrumentation=v0.1.1
+aws-otel-java-instrumentation=v1.32.2
+aws-otel-python-instrumentation=v0.2.0
 
 dcgm-exporter=3.3.3-3.3.1-ubuntu22.04
 neuron-monitor=1.0.0
\ No newline at end of file