diff --git a/lucene/CHANGES.txt b/lucene/CHANGES.txt
index 41f77cd6d1f..73a4c21f320 100644
--- a/lucene/CHANGES.txt
+++ b/lucene/CHANGES.txt
@@ -137,8 +137,8 @@ Other
 * LUCENE-7263: Make queryparser/xml/CoreParser's SpanQueryBuilderFactory
   accessible to deriving classes. (Daniel Collins via Christine Poerschke)
 
-* SOLR-9109: Allow specification of a custom Ivy settings file via system
-  property "ivysettings.xml". (Misha Dmitriev, Uwe Schindler, Steve Rowe)
+* SOLR-9109/SOLR-9121: Allow specification of a custom Ivy settings file via system
+  property "ivysettings.xml". (Misha Dmitriev, Christine Poerschke, Uwe Schindler, Steve Rowe)
 
 ======================= Lucene 6.0.1 =======================
 (No Changes)
diff --git a/lucene/build.xml b/lucene/build.xml
index c03770066d1..f7dffd62c96 100644
--- a/lucene/build.xml
+++ b/lucene/build.xml
@@ -97,7 +97,7 @@
           description="Verify that the '/org/name' keys in ivy-versions.properties are sorted lexically and are neither duplicates nor orphans, and that all dependencies in all ivy.xml files use rev="$${/org/name}" format.">
     <lib-versions-check-macro dir="${common.dir}/.."
                               centralized.versions.file="${common.dir}/ivy-versions.properties"
-                              ivy.settings.file="${common.dir}/top-level-ivy-settings.xml"
+                              top.level.ivy.settings.file="${common.dir}/top-level-ivy-settings.xml"
                               ivy.resolution-cache.dir="${ivy.resolution-cache.dir}"
                               ivy.lock-strategy="${ivy.lock-strategy}"
                               common.build.dir="${common.build.dir}"
diff --git a/lucene/tools/custom-tasks.xml b/lucene/tools/custom-tasks.xml
index 71e3f975c9f..11bb4530331 100644
--- a/lucene/tools/custom-tasks.xml
+++ b/lucene/tools/custom-tasks.xml
@@ -88,7 +88,7 @@
   <macrodef name="lib-versions-check-macro">
     <attribute name="dir"/>
     <attribute name="centralized.versions.file"/>
-    <attribute name="ivy.settings.file"/>
+    <attribute name="top.level.ivy.settings.file"/>
     <attribute name="ivy.resolution-cache.dir"/>
     <attribute name="ivy.lock-strategy"/>
     <attribute name="common.build.dir"/>
@@ -101,7 +101,7 @@
         -->
       <echo>Lib versions check under: @{dir}</echo>
       <libversions centralizedVersionsFile="@{centralized.versions.file}"
-                   ivySettingsFile="@{ivy.settings.file}"
+                   topLevelIvySettingsFile="@{top.level.ivy.settings.file}"
                    ivyResolutionCacheDir="@{ivy.resolution-cache.dir}"
                    ivyLockStrategy="@{ivy.lock-strategy}"
                    commonBuildDir="@{common.build.dir}"
diff --git a/lucene/tools/src/java/org/apache/lucene/validation/LibVersionsCheckTask.java b/lucene/tools/src/java/org/apache/lucene/validation/LibVersionsCheckTask.java
index 63aeb32fa4a..3179c78964c 100644
--- a/lucene/tools/src/java/org/apache/lucene/validation/LibVersionsCheckTask.java
+++ b/lucene/tools/src/java/org/apache/lucene/validation/LibVersionsCheckTask.java
@@ -111,9 +111,9 @@ public class LibVersionsCheckTask extends Task {
   private File ignoreConflictsFile;
 
   /**
-   * Ivy settings file: ivy-settings.xml
+   * Ivy settings file: top-level-ivy-settings.xml
    */
-  private File ivySettingsFile;
+  private File topLevelIvySettingsFile;
 
   /**
    * Location of common build dir: lucene/build/
@@ -180,10 +180,10 @@ public class LibVersionsCheckTask extends Task {
     centralizedVersionsFile = file;
   }
 
-  public void setIvySettingsFile(File file) {
-    ivySettingsFile = file;
+  public void setTopLevelIvySettingsFile(File file) {
+    topLevelIvySettingsFile = file;
   }
-  
+
   public void setIvyResolutionCacheDir(File dir) {
     ivyResolutionCacheDir = dir;
   }
@@ -692,12 +692,13 @@ public class LibVersionsCheckTask extends Task {
       ivySettings.setVariable("ivy.exclude.types", "source|javadoc");
       ivySettings.setVariable("ivy.resolution-cache.dir", ivyResolutionCacheDir.getAbsolutePath());
       ivySettings.setVariable("ivy.lock-strategy", ivyLockStrategy);
+      ivySettings.setVariable("ivysettings.xml", getProject().getProperty("ivysettings.xml")); // nested settings file
       ivySettings.setBaseDir(commonBuildDir);
       ivySettings.setDefaultConflictManager(new NoConflictManager());
       ivy = Ivy.newInstance(ivySettings);
-      ivy.configure(ivySettingsFile);
+      ivy.configure(topLevelIvySettingsFile);
     } catch (Exception e) {
-      throw new BuildException("Exception reading " + ivySettingsFile.getPath() + ": " + e.toString(), e);
+      throw new BuildException("Exception reading " + topLevelIvySettingsFile.getPath() + ": " + e.toString(), e);
     }
   }