diff --git a/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml b/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml
index 5a5171056d..6ff14b2d61 100644
--- a/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml
+++ b/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml
@@ -1530,7 +1530,7 @@
 
 <property>
   <name>fs.s3a.connection.maximum</name>
-  <value>200</value>
+  <value>500</value>
   <description>Controls the maximum number of simultaneous connections to S3.
     This must be bigger than the value of fs.s3a.threads.max so as to stop
     threads being blocked waiting for new HTTPS connections.
diff --git a/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/Constants.java b/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/Constants.java
index fb4f22cedb..05e6a43a05 100644
--- a/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/Constants.java
+++ b/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/Constants.java
@@ -173,7 +173,7 @@ private Constants() {
    * Future releases are likely to increase this value.
    * Keep in sync with the value in {@code core-default.xml}
    */
-  public static final int DEFAULT_MAXIMUM_CONNECTIONS = 200;
+  public static final int DEFAULT_MAXIMUM_CONNECTIONS = 500;
 
   /**
    * Configuration option to configure expiration time of