diff --git a/multi-io-samples/kafka-streams/user-clicks-per-region/http-click-ingest/pom.xml b/multi-io-samples/kafka-streams/user-clicks-per-region/http-click-ingest/pom.xml
index 7d0f23a..68296bd 100644
--- a/multi-io-samples/kafka-streams/user-clicks-per-region/http-click-ingest/pom.xml
+++ b/multi-io-samples/kafka-streams/user-clicks-per-region/http-click-ingest/pom.xml
@@ -168,6 +168,11 @@
   </build>
 
   <repositories>
+    <repository>
+      <id>maven-central</id>
+      <name>Maven Central</name>
+      <url>https://repo.maven.apache.org/maven2</url>
+    </repository>
     <repository>
       <id>spring-snapshots</id>
       <name>Spring Snapshots</name>
@@ -194,6 +199,11 @@
     </repository>
   </repositories>
   <pluginRepositories>
+    <pluginRepository>
+      <id>maven-central</id>
+      <name>Maven Central</name>
+      <url>https://repo.maven.apache.org/maven2</url>
+    </pluginRepository>
     <pluginRepository>
       <id>spring-snapshots</id>
       <name>Spring Snapshots</name>
diff --git a/multi-io-samples/kafka-streams/user-clicks-per-region/http-region-ingest/pom.xml b/multi-io-samples/kafka-streams/user-clicks-per-region/http-region-ingest/pom.xml
index 807736e..860e86d 100644
--- a/multi-io-samples/kafka-streams/user-clicks-per-region/http-region-ingest/pom.xml
+++ b/multi-io-samples/kafka-streams/user-clicks-per-region/http-region-ingest/pom.xml
@@ -166,6 +166,11 @@
   </build>
 
   <repositories>
+    <repository>
+      <id>maven-central</id>
+      <name>Maven Central</name>
+      <url>https://repo.maven.apache.org/maven2</url>
+    </repository>
     <repository>
       <id>spring-snapshots</id>
       <name>Spring Snapshots</name>
@@ -192,6 +197,11 @@
     </repository>
   </repositories>
   <pluginRepositories>
+    <pluginRepository>
+      <id>maven-central</id>
+      <name>Maven Central</name>
+      <url>https://repo.maven.apache.org/maven2</url>
+    </pluginRepository>
     <pluginRepository>
       <id>spring-snapshots</id>
       <name>Spring Snapshots</name>
diff --git a/multi-io-samples/kafka-streams/user-clicks-per-region/log-user-clicks-per-region/pom.xml b/multi-io-samples/kafka-streams/user-clicks-per-region/log-user-clicks-per-region/pom.xml
index 3ae67f6..34c0b8c 100644
--- a/multi-io-samples/kafka-streams/user-clicks-per-region/log-user-clicks-per-region/pom.xml
+++ b/multi-io-samples/kafka-streams/user-clicks-per-region/log-user-clicks-per-region/pom.xml
@@ -154,6 +154,11 @@
   </build>
 
   <repositories>
+    <repository>
+      <id>maven-central</id>
+      <name>Maven Central</name>
+      <url>https://repo.maven.apache.org/maven2</url>
+    </repository>
     <repository>
       <id>spring-snapshots</id>
       <name>Spring Snapshots</name>
@@ -180,6 +185,11 @@
     </repository>
   </repositories>
   <pluginRepositories>
+    <pluginRepository>
+      <id>maven-central</id>
+      <name>Maven Central</name>
+      <url>https://repo.maven.apache.org/maven2</url>
+    </pluginRepository>
     <pluginRepository>
       <id>spring-snapshots</id>
       <name>Spring Snapshots</name>
diff --git a/multi-io-samples/kafka-streams/user-clicks-per-region/user-clicks-per-region-processor/pom.xml b/multi-io-samples/kafka-streams/user-clicks-per-region/user-clicks-per-region-processor/pom.xml
index 9b93ec8..dd95d72 100644
--- a/multi-io-samples/kafka-streams/user-clicks-per-region/user-clicks-per-region-processor/pom.xml
+++ b/multi-io-samples/kafka-streams/user-clicks-per-region/user-clicks-per-region-processor/pom.xml
@@ -160,6 +160,11 @@
 	</build>
 
 	<repositories>
+		<repository>
+			<id>maven-central</id>
+			<name>Maven Central</name>
+			<url>https://repo.maven.apache.org/maven2</url>
+		</repository>
 		<repository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
@@ -186,6 +191,11 @@
 		</repository>
 	</repositories>
 	<pluginRepositories>
+		<pluginRepository>
+			<id>maven-central</id>
+			<name>Maven Central</name>
+			<url>https://repo.maven.apache.org/maven2</url>
+		</pluginRepository>
 		<pluginRepository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>