diff --git a/pom.xml b/pom.xml
index f826dd4af5..e9532eb18d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -76,9 +76,9 @@
         <dependency.guava.version>33.3.1-jre</dependency.guava.version>
         <dependency.httpclient.version>4.5.14</dependency.httpclient.version>
         <dependency.httpcore.version>4.4.16</dependency.httpcore.version>
-        <dependency.httpcomponents-httpclient5.version>5.5</dependency.httpcomponents-httpclient5.version>
-        <dependency.httpcomponents-httpcore5.version>5.3.4</dependency.httpcomponents-httpcore5.version>
-        <dependency.httpcomponents-httpcore5-h2.version>5.3.4</dependency.httpcomponents-httpcore5-h2.version>
+        <dependency.httpcomponents-httpclient5.version>5.6.4</dependency.httpcomponents-httpclient5.version>
+        <dependency.httpcomponents-httpcore5.version>5.4.3</dependency.httpcomponents-httpcore5.version>
+        <dependency.httpcomponents-httpcore5-h2.version>5.4.3</dependency.httpcomponents-httpcore5-h2.version>
         <dependency.commons-httpclient.version>3.1-HTTPCLIENT-1265</dependency.commons-httpclient.version>
         <dependency.xercesImpl.version>2.12.2</dependency.xercesImpl.version>
         <dependency.google-cloud-libraries-bom.version>26.84.0</dependency.google-cloud-libraries-bom.version>
@@ -94,7 +94,7 @@
         <dependency.jboss.logging.version>3.5.0.Final</dependency.jboss.logging.version>
         <dependency.camel.version>4.18.3</dependency.camel.version> <!-- when bumping this version, please keep track/sync with included netty.io dependencies -->
         <dependency.netty.version>4.1.137.Final</dependency.netty.version> <!-- must be in sync with camels transitive dependencies, e.g.: netty-common -->
-        <dependency.activemq.version>6.2.4</dependency.activemq.version>
+        <dependency.activemq.version>6.2.7</dependency.activemq.version>
         <dependency.apache-compress.version>1.27.1</dependency.apache-compress.version>
         <dependency.awaitility.version>4.2.2</dependency.awaitility.version>
 
diff --git a/repository/src/main/java/org/alfresco/repo/search/impl/elasticsearch/client/ElasticsearchHttpClientFactory.java b/repository/src/main/java/org/alfresco/repo/search/impl/elasticsearch/client/ElasticsearchHttpClientFactory.java
index 18fe5843a6..c3af2b1526 100644
--- a/repository/src/main/java/org/alfresco/repo/search/impl/elasticsearch/client/ElasticsearchHttpClientFactory.java
+++ b/repository/src/main/java/org/alfresco/repo/search/impl/elasticsearch/client/ElasticsearchHttpClientFactory.java
@@ -427,6 +427,11 @@ public class ElasticsearchHttpClientFactory
             LOGGER.debug("Using default ioThreadCount for Elasticsearch HTTP Client since the specified value was {}.", threadCount);
         }
 
+        // httpclient5 5.6 auto-negotiates gzip/x-gzip content encoding on the async transport, but the
+        // OpenSearch client manages compression itself (defaults to none), so transparent decompression
+        // makes responses hang/fail. Disable it to restore pre-5.6 behaviour.
+        httpClientBuilder.disableContentCompression();
+
         httpClientBuilder.setUserAgent(StringUtils.EMPTY).setConnectionManager(connectionBuilder.build());
 
         // Build and set the HTTP/2 response timeout using the configured responseTimeout property