diff --git a/src/Input/DescribeCacheClustersMessage.php b/src/Input/DescribeCacheClustersMessage.php
index 275e6e3..760eae4 100644
--- a/src/Input/DescribeCacheClustersMessage.php
+++ b/src/Input/DescribeCacheClustersMessage.php
@@ -50,7 +50,8 @@ final class DescribeCacheClustersMessage extends Input
 
     /**
      * An optional flag that can be included in the `DescribeCacheCluster` request to show only nodes (API/CLI: clusters)
-     * that are not members of a replication group. In practice, this mean Memcached and single node Redis OSS clusters.
+     * that are not members of a replication group. In practice, this means Memcached and single node Valkey or Redis OSS
+     * clusters.
      *
      * @var bool|null
      */
diff --git a/src/ValueObject/CacheCluster.php b/src/ValueObject/CacheCluster.php
index ccf7684..d806eaa 100644
--- a/src/ValueObject/CacheCluster.php
+++ b/src/ValueObject/CacheCluster.php
@@ -111,10 +111,10 @@ final class CacheCluster
      * **Additional node type info**
      *
      * - All current generation instance types are created in Amazon VPC by default.
-     * - Redis OSS append-only files (AOF) are not supported for T1 or T2 instances.
-     * - Redis OSS Multi-AZ with automatic failover is not supported on T1 instances.
-     * - Redis OSS configuration variables `appendonly` and `appendfsync` are not supported on Redis OSS version 2.8.22 and
-     *   later.
+     * - Valkey or Redis OSS append-only files (AOF) are not supported for T1 or T2 instances.
+     * - Valkey or Redis OSS Multi-AZ with automatic failover is not supported on T1 instances.
+     * - The configuration variables `appendonly` and `appendfsync` are not supported on Valkey, or on Redis OSS version
+     *   2.8.22 and later.
      *
      * [^1]: https://docs.aws.amazon.com/AmazonElastiCache/latest/red-ug/CacheNodes.SupportedTypes.html#CacheNodes.SupportedTypesByRegion
      * [^2]: https://docs.aws.amazon.com/AmazonElastiCache/latest/red-ug/CacheNodes.SupportedTypes.html#CacheNodes.SupportedTypesByRegion
@@ -148,8 +148,8 @@ final class CacheCluster
     /**
      * The number of cache nodes in the cluster.
      *
-     * For clusters running Redis OSS, this value must be 1. For clusters running Memcached, this value must be between 1
-     * and 40.
+     * For clusters running Valkey or Redis OSS, this value must be 1. For clusters running Memcached, this value must be
+     * between 1 and 40.
      *
      * @var int|null
      */
@@ -239,8 +239,8 @@ final class CacheCluster
     private $cacheNodes;
 
     /**
-     *  If you are running Redis OSS engine version 6.0 or later, set this parameter to yes if you want to opt-in to the
-     * next auto minor version upgrade campaign. This parameter is disabled for previous versions. .
+     *  If you are running Valkey or Redis OSS engine version 6.0 or later, set this parameter to yes if you want to opt-in
+     * to the next auto minor version upgrade campaign. This parameter is disabled for previous versions. .
      *
      * @var bool|null
      */
@@ -281,7 +281,7 @@ final class CacheCluster
     private $snapshotWindow;
 
     /**
-     * A flag that enables using an `AuthToken` (password) when issuing Redis OSS commands.
+     * A flag that enables using an `AuthToken` (password) when issuing Valkey or Redis OSS commands.
      *
      * Default: `false`
      *
@@ -345,8 +345,9 @@ final class CacheCluster
     private $logDeliveryConfigurations;
 
     /**
-     * Must be either `ipv4` | `ipv6` | `dual_stack`. IPv6 is supported for workloads using Redis OSS engine version 6.2
-     * onward or Memcached engine version 1.6.6 on all instances built on the Nitro system [^1].
+     * Must be either `ipv4` | `ipv6` | `dual_stack`. IPv6 is supported for workloads using Valkey 7.2 and above, Redis OSS
+     * engine version 6.2 and above or Memcached engine version 1.6.6 and above on all instances built on the Nitro system
+     * [^1].
      *
      * [^1]: http://aws.amazon.com/ec2/nitro/
      *
@@ -355,8 +356,9 @@ final class CacheCluster
     private $networkType;
 
     /**
-     * The network type associated with the cluster, either `ipv4` | `ipv6`. IPv6 is supported for workloads using Redis OSS
-     * engine version 6.2 onward or Memcached engine version 1.6.6 on all instances built on the Nitro system [^1].
+     * The network type associated with the cluster, either `ipv4` | `ipv6`. IPv6 is supported for workloads using Valkey
+     * 7.2 and above, Redis OSS engine version 6.2 and above or Memcached engine version 1.6.6 and above on all instances
+     * built on the Nitro system [^1].
      *
      * [^1]: http://aws.amazon.com/ec2/nitro/
      *
diff --git a/src/ValueObject/CacheNode.php b/src/ValueObject/CacheNode.php
index 98bac5b..52f786a 100644
--- a/src/ValueObject/CacheNode.php
+++ b/src/ValueObject/CacheNode.php
@@ -4,7 +4,7 @@
 
 /**
  * Represents an individual cache node within a cluster. Each cache node runs its own instance of the cluster's
- * protocol-compliant caching software - either Memcached or Redis OSS.
+ * protocol-compliant caching software - either Memcached, Valkey or Redis OSS.
  *
  * The following node types are supported by ElastiCache. Generally speaking, the current generation types provide more
  * memory and computational power at lower cost when compared to their equivalent previous generation counterparts.
@@ -79,10 +79,10 @@
  * **Additional node type info**
  *
  * - All current generation instance types are created in Amazon VPC by default.
- * - Redis OSS append-only files (AOF) are not supported for T1 or T2 instances.
- * - Redis OSS Multi-AZ with automatic failover is not supported on T1 instances.
- * - Redis OSS configuration variables `appendonly` and `appendfsync` are not supported on Redis OSS version 2.8.22 and
- *   later.
+ * - Valkey or Redis OSS append-only files (AOF) are not supported for T1 or T2 instances.
+ * - Valkey or Redis OSS Multi-AZ with automatic failover is not supported on T1 instances.
+ * - The configuration variables `appendonly` and `appendfsync` are not supported on Valkey, or on Redis OSS version
+ *   2.8.22 and later.
  *
  * [^1]: https://docs.aws.amazon.com/AmazonElastiCache/latest/red-ug/CacheNodes.SupportedTypes.html#CacheNodes.SupportedTypesByRegion
  * [^2]: https://docs.aws.amazon.com/AmazonElastiCache/latest/red-ug/CacheNodes.SupportedTypes.html#CacheNodes.SupportedTypesByRegion
diff --git a/src/ValueObject/PendingModifiedValues.php b/src/ValueObject/PendingModifiedValues.php
index 3e9b234..c1027fd 100644
--- a/src/ValueObject/PendingModifiedValues.php
+++ b/src/ValueObject/PendingModifiedValues.php
@@ -13,8 +13,8 @@ final class PendingModifiedValues
     /**
      * The new number of cache nodes for the cluster.
      *
-     * For clusters running Redis OSS, this value must be 1. For clusters running Memcached, this value must be between 1
-     * and 40.
+     * For clusters running Valkey or Redis OSS, this value must be 1. For clusters running Memcached, this value must be
+     * between 1 and 40.
      *
      * @var int|null
      */