diff --git a/tools/ivar/macros.xml b/tools/ivar/macros.xml
index 56784f09ad9..b2bdf9ad2b0 100644
--- a/tools/ivar/macros.xml
+++ b/tools/ivar/macros.xml
@@ -1,11 +1,11 @@
 <?xml version="1.0"?>
 <macros>
-  <token name="@TOOL_VERSION@">1.4.2</token>
+  <token name="@TOOL_VERSION@">1.4.3</token>
   <token name="@PROFILE@">21.01</token>
   <xml name="requirements">
   <requirements>
       <requirement type="package" version="@TOOL_VERSION@">ivar</requirement>
-      <requirement type="package" version="3.11.0">python</requirement>
+      <requirement type="package" version="3.11.9">python</requirement>
       <requirement type="package" version="1.16.1">samtools</requirement>
       <yield/>
   </requirements>
@@ -14,7 +14,7 @@
     <version_command>ivar version | grep version</version_command>
   </xml>
   <xrefs>
-    <xref type="bio.tools">ivar</xref>
+    <xref type="bio.tools">andersen-lab_ivar</xref>
   </xrefs>
   <xml name="citations">
     <citations>