diff --git a/changelog/unreleased/PR#4096-update-org-jetbrains-kotlinx-atomicfu.yml b/changelog/unreleased/PR#4096-update-org-jetbrains-kotlinx-atomicfu.yml
new file mode 100644
index 00000000000..c16c71ffbbe
--- /dev/null
+++ b/changelog/unreleased/PR#4096-update-org-jetbrains-kotlinx-atomicfu.yml
@@ -0,0 +1,7 @@
+title: Update org.jetbrains.kotlinx:atomicfu to v0.32.1
+type: dependency_update
+authors:
+- name: solrbot
+links:
+- name: PR#4096
+  url: https://github.com/apache/solr/pull/4096
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 7018c17a31e..6692b0617c8 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -147,7 +147,7 @@ joda-time = "2.14.0"
 junit = "4.13.2"
 kotlin = "2.3.20"
 # @keep for version alignment
-kotlinx-atomicfu = "0.31.0"
+kotlinx-atomicfu = "0.32.1"
 # @keep for version alignment
 kotlinx-browser = "0.5.0"
 kotlinx-coroutines = "1.10.2"
diff --git a/solr/ui/gradle.lockfile b/solr/ui/gradle.lockfile
index 521d5efe58d..465cafa173b 100644
--- a/solr/ui/gradle.lockfile
+++ b/solr/ui/gradle.lockfile
@@ -385,11 +385,10 @@ org.jetbrains.kotlin:kotlin-test-wasm-js:2.3.20=wasmJsTestCompileClasspath,wasmJ
 org.jetbrains.kotlin:kotlin-test:2.3.20=allTestSourceSetsCompileDependenciesMetadata,commonTestResolvableDependenciesMetadata,composeHotReloadDevDesktopTestRuntimeClasspath,desktopTestCompileClasspath,desktopTestResolvableDependenciesMetadata,desktopTestRuntimeClasspath,wasmJsTestCompileClasspath,wasmJsTestNpmAggregated,wasmJsTestResolvableDependenciesMetadata,wasmJsTestRuntimeClasspath,webTestResolvableDependenciesMetadata
 org.jetbrains.kotlin:kotlin-tooling-core:2.3.20=kotlinBuildToolsApiClasspath,kotlinCompilerClasspath
 org.jetbrains.kotlinx:atomicfu-jvm:0.23.2=composeHotReloadDevTools
-org.jetbrains.kotlinx:atomicfu-jvm:0.31.0=composeHotReloadDevDesktopDevRuntimeClasspath,composeHotReloadDevDesktopRuntimeClasspath,composeHotReloadDevDesktopTestRuntimeClasspath,desktopDevRuntimeClasspath,desktopMainRuntimeClasspath,desktopRuntimeClasspath,desktopTestRuntimeClasspath
+org.jetbrains.kotlinx:atomicfu-jvm:0.32.1=composeHotReloadDevDesktopDevRuntimeClasspath,composeHotReloadDevDesktopRuntimeClasspath,composeHotReloadDevDesktopTestRuntimeClasspath,desktopDevRuntimeClasspath,desktopMainRuntimeClasspath,desktopRuntimeClasspath,desktopTestRuntimeClasspath
 org.jetbrains.kotlinx:atomicfu-wasm-js:0.32.1=wasmJsCompileClasspath,wasmJsNpmAggregated,wasmJsRuntimeClasspath,wasmJsTestCompileClasspath,wasmJsTestNpmAggregated,wasmJsTestRuntimeClasspath
 org.jetbrains.kotlinx:atomicfu:0.23.2=composeHotReloadDevTools
-org.jetbrains.kotlinx:atomicfu:0.31.0=allDevSourceSetsCompileDependenciesMetadata,allSourceSetsCompileDependenciesMetadata,allTestSourceSetsCompileDependenciesMetadata,commonMainResolvableDependenciesMetadata,commonTestResolvableDependenciesMetadata,composeHotReloadDevDesktopDevRuntimeClasspath,composeHotReloadDevDesktopRuntimeClasspath,composeHotReloadDevDesktopTestRuntimeClasspath,desktopDevResolvableDependenciesMetadata,desktopDevRuntimeClasspath,desktopMainResolvableDependenciesMetadata,desktopMainRuntimeClasspath,desktopRuntimeClasspath,desktopTestResolvableDependenciesMetadata,desktopTestRuntimeClasspath,metadataCommonMainCompileClasspath,metadataCompileClasspath,wasmJsMainResolvableDependenciesMetadata,wasmJsTestResolvableDependenciesMetadata,webMainResolvableDependenciesMetadata,webTestResolvableDependenciesMetadata
-org.jetbrains.kotlinx:atomicfu:0.32.1=wasmJsCompileClasspath,wasmJsNpmAggregated,wasmJsRuntimeClasspath,wasmJsTestCompileClasspath,wasmJsTestNpmAggregated,wasmJsTestRuntimeClasspath
+org.jetbrains.kotlinx:atomicfu:0.32.1=allDevSourceSetsCompileDependenciesMetadata,allSourceSetsCompileDependenciesMetadata,allTestSourceSetsCompileDependenciesMetadata,commonMainResolvableDependenciesMetadata,commonTestResolvableDependenciesMetadata,composeHotReloadDevDesktopDevRuntimeClasspath,composeHotReloadDevDesktopRuntimeClasspath,composeHotReloadDevDesktopTestRuntimeClasspath,desktopDevResolvableDependenciesMetadata,desktopDevRuntimeClasspath,desktopMainResolvableDependenciesMetadata,desktopMainRuntimeClasspath,desktopRuntimeClasspath,desktopTestResolvableDependenciesMetadata,desktopTestRuntimeClasspath,metadataCommonMainCompileClasspath,metadataCompileClasspath,wasmJsCompileClasspath,wasmJsMainResolvableDependenciesMetadata,wasmJsNpmAggregated,wasmJsRuntimeClasspath,wasmJsTestCompileClasspath,wasmJsTestNpmAggregated,wasmJsTestResolvableDependenciesMetadata,wasmJsTestRuntimeClasspath,webMainResolvableDependenciesMetadata,webTestResolvableDependenciesMetadata
 org.jetbrains.kotlinx:kotlinx-browser-wasm-js:0.5.0=wasmJsCompileClasspath,wasmJsNpmAggregated,wasmJsRuntimeClasspath,wasmJsTestCompileClasspath,wasmJsTestNpmAggregated,wasmJsTestRuntimeClasspath
 org.jetbrains.kotlinx:kotlinx-browser:0.5.0=wasmJsCompileClasspath,wasmJsNpmAggregated,wasmJsRuntimeClasspath,wasmJsTestCompileClasspath,wasmJsTestNpmAggregated,wasmJsTestRuntimeClasspath
 org.jetbrains.kotlinx:kotlinx-coroutines-bom:1.10.2=allDevSourceSetsCompileDependenciesMetadata,allSourceSetsCompileDependenciesMetadata,allTestSourceSetsCompileDependenciesMetadata,composeHotReloadDevDesktopDevRuntimeClasspath,composeHotReloadDevDesktopRuntimeClasspath,composeHotReloadDevDesktopTestRuntimeClasspath,composeHotReloadDevTools,desktopCompileClasspath,desktopDevCompileClasspath,desktopDevResolvableDependenciesMetadata,desktopDevRuntimeClasspath,desktopMainCompileClasspath,desktopMainResolvableDependenciesMetadata,desktopMainRuntimeClasspath,desktopRuntimeClasspath,desktopTestCompileClasspath,desktopTestResolvableDependenciesMetadata,desktopTestRuntimeClasspath