diff --git a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/ToolingExtensions.java b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/ToolingExtensions.java
index f0b23acf9..ba80290ef 100644
--- a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/ToolingExtensions.java
+++ b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/ToolingExtensions.java
@@ -133,7 +133,8 @@ public class ToolingExtensions {
   public static final String EXT_IGP_FORMAT = "http://hl7.org/fhir/StructureDefinition/igpublisher-res-format";
   public static final String EXT_IGP_SOURCE = "http://hl7.org/fhir/StructureDefinition/igpublisher-res-source";
   public static final String EXT_IGP_CONTAINED_RESOURCE_INFO = "http://hl7.org/fhir/tools/StructureDefinition/contained-resource-information";
-  public static final String EXT_BINARY_FORMAT = "http://hl7.org/fhir/StructureDefinition/implementationguide-resource-format";
+  public static final String EXT_BINARY_FORMAT_OLD = "http://hl7.org/fhir/StructureDefinition/implementationguide-resource-format";
+  public static final String EXT_BINARY_FORMAT_NEW = "http://hl7.org/fhir/tools/StructureDefinition/implementationguide-resource-format";
   public static final String EXT_IGP_RESOURCE_INFO = "http://hl7.org/fhir/tools/StructureDefinition/resource-information";
   public static final String EXT_IGP_LOADVERSION = "http://hl7.org/fhir/StructureDefinition/igpublisher-loadversion";
   public static final String EXT_LIST_PACKAGE = "http://hl7.org/fhir/StructureDefinition/list-packageId";