diff --git a/changelog/unreleased/PR#4412-update-google-protobuf.yml b/changelog/unreleased/PR#4412-update-google-protobuf.yml
new file mode 100644
index 00000000000..26ad5ae86ef
--- /dev/null
+++ b/changelog/unreleased/PR#4412-update-google-protobuf.yml
@@ -0,0 +1,7 @@
+title: Update google.protobuf to v4
+type: dependency_update
+authors:
+- name: solrbot
+links:
+- name: PR#4412
+  url: https://github.com/apache/solr/pull/4412
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 3c6c8acb619..dfe60a79973 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -106,7 +106,7 @@ google-j2objc = "3.1"
 # @keep This is GJF version for spotless/ tidy.
 google-javaformat = "1.18.1"
 # @keep for version alignment
-google-protobuf = "3.25.8"
+google-protobuf = "4.34.1"
 # @keep Gradle version to run the build
 gradle = "8.10"
 grpc = "1.80.0"