diff --git a/start/inventory/pom.xml b/start/inventory/pom.xml
index 4461ae7..9d75347 100644
--- a/start/inventory/pom.xml
+++ b/start/inventory/pom.xml
@@ -30,14 +30,14 @@
         <dependency>
             <groupId>jakarta.enterprise.concurrent</groupId>
             <artifactId>jakarta.enterprise.concurrent-api</artifactId>
-            <version>3.1.1</version>
+            <version>3.0.3</version>
             <scope>provided</scope>
         </dependency>
 
         <dependency>
             <groupId>org.eclipse.microprofile</groupId>
             <artifactId>microprofile</artifactId>
-            <version>7.0</version>
+            <version>6.1</version>
             <type>pom</type>
             <scope>provided</scope>
         </dependency>
diff --git a/start/models/pom.xml b/start/models/pom.xml
index 68f85d3..79f6c8d 100644
--- a/start/models/pom.xml
+++ b/start/models/pom.xml
@@ -26,7 +26,7 @@
         <dependency>
             <groupId>org.eclipse.microprofile</groupId>
             <artifactId>microprofile</artifactId>
-            <version>7.0</version>
+            <version>6.1</version>
             <type>pom</type>
             <scope>provided</scope>
         </dependency>
diff --git a/start/system/pom.xml b/start/system/pom.xml
index 72ebc4f..0e4ee0a 100644
--- a/start/system/pom.xml
+++ b/start/system/pom.xml
@@ -31,7 +31,7 @@
         <dependency>
             <groupId>org.eclipse.microprofile</groupId>
             <artifactId>microprofile</artifactId>
-            <version>7.0</version>
+            <version>6.1</version>
             <type>pom</type>
             <scope>provided</scope>
         </dependency>