diff --git a/pom.xml b/pom.xml
index 7efac4de49940eb2a106e15464f9684960f6f5d1..024dbf4fdb82954e7fe0b8cba90ee7dde294ab14 100644
--- a/pom.xml
+++ b/pom.xml
@@ -49,10 +49,10 @@
         <sso.client.v7.version>5.0.0</sso.client.v7.version>
         <mbval.documentation.version>1.1.10</mbval.documentation.version>
         <ksahl7v3.validation.version>1.0.1</ksahl7v3.validation.version>
-        <ihehl7v3.validation.version>1.5.6-HLVAL-482-ITI55-SNAPSHOT</ihehl7v3.validation.version>
+        <ihehl7v3.validation.version>1.5.5</ihehl7v3.validation.version>
         <xcpd.plq.validation.version>1.0.3</xcpd.plq.validation.version>
         <chhl7v3.validator.version>1.0.7</chhl7v3.validator.version>
-        <ehdsihl7.validator.version>1.0.4-SNAPSHOT</ehdsihl7.validator.version>
+        <ehdsihl7.validator.version>1.0.3</ehdsihl7.validator.version>
         <gitb.version>1.0.0</gitb.version>
         <gazelle.hl7.messagestructures.version>3.2.0
         </gazelle.hl7.messagestructures.version>
@@ -80,8 +80,12 @@
     <distributionManagement>
         <repository>
             <id>nexus-releases</id>
-            <url>https://gazelle.ihe.net/nexus/content/repositories/releases</url>
+            <url>https://nexus.ihe-catalyst.net/repository/releases/</url>
         </repository>
+        <snapshotRepository>
+            <id>nexus-snapshots</id>
+            <url>https://nexus.ihe-catalyst.net/repository/snapshots/</url>
+        </snapshotRepository>
     </distributionManagement>
 
     <dependencyManagement>
@@ -341,23 +345,10 @@
     </profiles>
 
     <repositories>
-        <repository>
-            <id>sumo</id>
-            <name>IHE Services Release Maven Repository Group</name>
-            <url>https://gazelle.ihe.net/nexus/content/repositories/releases</url>
-            <layout>default</layout>
-            <releases>
-                <enabled>true</enabled>
-                <updatePolicy>never</updatePolicy>
-            </releases>
-            <snapshots>
-                <enabled>true</enabled>
-            </snapshots>
-        </repository>
         <repository>
             <id>IHE</id>
-            <name>IHE Services Public Maven Repository Group</name>
-            <url>https://gazelle.ihe.net/nexus/content/groups/public/</url>
+            <name>IHE Public Maven Repository Group</name>
+            <url>https://nexus.ihe-catalyst.net/repository/maven-public/</url>
             <layout>default</layout>
             <releases>
                 <enabled>true</enabled>
@@ -367,18 +358,12 @@
                 <enabled>true</enabled>
             </snapshots>
         </repository>
-        <repository>
-            <id>Nist</id>
-            <name>Nist Public Maven Repository Group</name>
-            <url>https://gazelle.ihe.net/nexus/content/groups/public/</url>
-            <layout>default</layout>
-        </repository>
     </repositories>
     <pluginRepositories>
         <pluginRepository>
-            <id>ihe-services-plugins</id>
-            <name>IHE Services Public Maven Repository Group</name>
-            <url>https://gazelle.ihe.net/nexus/content/groups/public/</url>
+            <id>IHE-plugins</id>
+            <name>IHE Plugins Public Maven Repository Group</name>
+            <url>https://nexus.ihe-catalyst.net/repository/maven-public/</url>
             <layout>default</layout>
             <releases>
                 <enabled>true</enabled>