diff --git a/CHANGELOG.adoc b/CHANGELOG.adoc
index 5db80188ed..fc74f18154 100644
--- a/CHANGELOG.adoc
+++ b/CHANGELOG.adoc
@@ -125,7 +125,8 @@ This will allow specifier to create images that fir perfectly in the project tem
 - https://github.com/eclipse-sirius/sirius-web/issues/2163[#2163] [form] Make EMF default form support non changeable features
 - https://github.com/eclipse-sirius/sirius-web/issues/4086[#4086] [form] Wrap widget returned by property section in a div with a specific classname
 - https://github.com/eclipse-sirius/sirius-web/issues/4088[#4088] Change tree item context menu entries internal management
-
+- https://github.com/eclipse-sirius/sirius-web/issues/4137[#4137] [emf] EMF Resources are no longer unloaded when disposing an editing context.
+This avoids a costly conversion of all `EObjects` into proxies at a time when we know they will not be used anymore anyway.
 
 == v2024.9.0
 
diff --git a/packages/emf/backend/sirius-components-emf/pom.xml b/packages/emf/backend/sirius-components-emf/pom.xml
index 04c288c8b0..852edea3e6 100644
--- a/packages/emf/backend/sirius-components-emf/pom.xml
+++ b/packages/emf/backend/sirius-components-emf/pom.xml
@@ -100,9 +100,9 @@
 			<artifactId>gson</artifactId>
 		</dependency>
 		<dependency>
-			<groupId>org.eclipse.sirius.emfjson</groupId>
+			<groupId>org.eclipse.sirius</groupId>
 			<artifactId>org.eclipse.sirius.emfjson</artifactId>
-			<version>2.3.12-SNAPSHOT</version>
+			<version>2.4.0-SNAPSHOT</version>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
diff --git a/packages/emf/backend/sirius-components-emf/src/main/java/org/eclipse/sirius/components/emf/services/api/IEMFEditingContext.java b/packages/emf/backend/sirius-components-emf/src/main/java/org/eclipse/sirius/components/emf/services/api/IEMFEditingContext.java
index f8377841a2..7fdb74a545 100644
--- a/packages/emf/backend/sirius-components-emf/src/main/java/org/eclipse/sirius/components/emf/services/api/IEMFEditingContext.java
+++ b/packages/emf/backend/sirius-components-emf/src/main/java/org/eclipse/sirius/components/emf/services/api/IEMFEditingContext.java
@@ -12,7 +12,6 @@
  *******************************************************************************/
 package org.eclipse.sirius.components.emf.services.api;
 
-import org.eclipse.emf.ecore.resource.Resource;
 import org.eclipse.emf.edit.domain.AdapterFactoryEditingDomain;
 import org.eclipse.sirius.components.core.api.IEditingContext;
 
@@ -32,6 +31,5 @@ public interface IEMFEditingContext extends IEditingContext {
 
     @Override
     default void dispose() {
-        this.getDomain().getResourceSet().getResources().forEach(Resource::unload);
     }
 }