diff --git a/README.md b/README.md
index c68dbb9..5a6fde9 100644
--- a/README.md
+++ b/README.md
@@ -10,11 +10,11 @@ This connector has not yet been published to Confluent Hub. To install it, downl
 install it using `confluent-hub` command line tool.
 
 ```sh
-wget https://github.com/vinted/kafka-connect-vespa/releases/download/v1.0.10/vinted-kafka-connect-vespa-v1.0.10.zip -O /tmp/vinted-kafka-connect-vespa-v1.0.10.zip -q
+wget https://github.com/vinted/kafka-connect-vespa/releases/download/v1.0.11/vinted-kafka-connect-vespa-v1.0.11.zip -O /tmp/vinted-kafka-connect-vespa-v1.0.11.zip -q
 ```
 
 ```sh
-confluent-hub install --no-prompt /tmp/vinted-kafka-connect-vespa-v1.0.10.zip
+confluent-hub install --no-prompt /tmp/vinted-kafka-connect-vespa-v1.0.11.zip
 ```
 
 ### Operational modes
@@ -59,7 +59,7 @@ cluster to feed, so load can be balanced across these containers. In general, th
 possible, but poor connectivity between feeder and cluster may also warrant a higher number of connections.
 
 * Type: int
-* Default: 8
+* Default: 1
 * Valid Values: [1,...]
 * Importance: low
 
@@ -71,7 +71,7 @@ possible. The feed client automatically throttles load to achieve the best throu
 per connection is usually lower than the maximum.
 
 * Type: int
-* Default: 128
+* Default: 16
 * Valid Values: [1,...]
 * Importance: low
 
diff --git a/pom.xml b/pom.xml
index 8863822..1572cbb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.vinted.kafka.connect.vespa</groupId>
     <artifactId>kafka-connect-vespa</artifactId>
-    <version>1.0.10-SNAPSHOT</version>
+    <version>1.0.11-SNAPSHOT</version>
     <name>kafka-connect-vespa</name>
     <description>The Vespa Sink Connector is used to write data from Kafka to a Vespa search engine.</description>
     <url>https://github.com/vinted/kafka-connect-vespa</url>
@@ -17,7 +17,7 @@
         <log4j.version>2.17.1</log4j.version>
         <slf4j.version>1.7.30</slf4j.version>
         <confluent-log4j.version>1.2.17-cp2</confluent-log4j.version>
-        <vespa.version>8.273.20</vespa.version>
+        <vespa.version>8.340.17</vespa.version>
         <connect.utils.version>0.7.177</connect.utils.version>
         <junit.version>5.9.3</junit.version>
     </properties>
diff --git a/src/main/java/com/vinted/kafka/connect/vespa/VespaSinkConfig.java b/src/main/java/com/vinted/kafka/connect/vespa/VespaSinkConfig.java
index c2a808b..2aedc62 100644
--- a/src/main/java/com/vinted/kafka/connect/vespa/VespaSinkConfig.java
+++ b/src/main/java/com/vinted/kafka/connect/vespa/VespaSinkConfig.java
@@ -32,7 +32,7 @@ public class VespaSinkConfig extends AbstractConfig {
             + "number of connections.";
     private static final String CONNECTIONS_PER_ENDPOINT_DISPLAY = "Connections per endpoint";
 
-    private static final int CONNECTIONS_PER_ENDPOINT_DEFAULT = 8;
+    private static final int CONNECTIONS_PER_ENDPOINT_DEFAULT = 1;
 
     public static final String MAX_STREAMS_PER_CONNECTION_CONFIG = "vespa.max.streams.per.connection";
     private static final String MAX_STREAMS_PER_CONNECTION_DOC = "This determines the maximum number of concurrent, "
@@ -41,7 +41,7 @@ public class VespaSinkConfig extends AbstractConfig {
             + "when possible. The feed client automatically throttles load to achieve the best throughput, and the "
             + "actual number of streams per connection is usually lower than the maximum.";
     private static final String MAX_STREAMS_PER_CONNECTION_DISPLAY = "Max streams per connection";
-    private static final int MAX_STREAMS_PER_CONNECTION_DEFAULT = 128;
+    private static final int MAX_STREAMS_PER_CONNECTION_DEFAULT = 17;
 
     public static final String DRYRUN_CONFIG = "vespa.dryrun";
     private static final String DRYRUN_DOC = "Turns on dryrun mode, where each operation succeeds after a given "