diff --git a/changelog/unreleased/PR#4376-update-io-netty-netty-tcnative-to-v2-0-77-final.yml b/changelog/unreleased/PR#4376-update-io-netty-netty-tcnative-to-v2-0-77-final.yml
new file mode 100644
index 00000000000..2b179058af5
--- /dev/null
+++ b/changelog/unreleased/PR#4376-update-io-netty-netty-tcnative-to-v2-0-77-final.yml
@@ -0,0 +1,7 @@
+title: Update io.netty:netty-tcnative* to v2.0.77.Final (branch_9x)
+type: dependency_update
+authors:
+- name: solrbot
+links:
+- name: PR#4376
+  url: https://github.com/apache/solr/pull/4376
diff --git a/solr/licenses/netty-tcnative-boringssl-static-2.0.75.Final.jar.sha1 b/solr/licenses/netty-tcnative-boringssl-static-2.0.75.Final.jar.sha1
deleted file mode 100644
index c11d65c1263..00000000000
--- a/solr/licenses/netty-tcnative-boringssl-static-2.0.75.Final.jar.sha1
+++ /dev/null
@@ -1 +0,0 @@
-c2718a8b99999019d437a703d9bf429f99c465ac
diff --git a/solr/licenses/netty-tcnative-boringssl-static-2.0.77.Final.jar.sha1 b/solr/licenses/netty-tcnative-boringssl-static-2.0.77.Final.jar.sha1
new file mode 100644
index 00000000000..328aba57596
--- /dev/null
+++ b/solr/licenses/netty-tcnative-boringssl-static-2.0.77.Final.jar.sha1
@@ -0,0 +1 @@
+d362cc5969c00d1c4cf9dc177283e241fb8d429c
diff --git a/solr/licenses/netty-tcnative-classes-2.0.75.Final.jar.sha1 b/solr/licenses/netty-tcnative-classes-2.0.75.Final.jar.sha1
deleted file mode 100644
index 710047bf434..00000000000
--- a/solr/licenses/netty-tcnative-classes-2.0.75.Final.jar.sha1
+++ /dev/null
@@ -1 +0,0 @@
-b446e6fab7af1bab12bf01a4213627f8d0a2e6ba
diff --git a/solr/licenses/netty-tcnative-classes-2.0.77.Final.jar.sha1 b/solr/licenses/netty-tcnative-classes-2.0.77.Final.jar.sha1
new file mode 100644
index 00000000000..cf12c09dcdc
--- /dev/null
+++ b/solr/licenses/netty-tcnative-classes-2.0.77.Final.jar.sha1
@@ -0,0 +1 @@
+f58362f70036d0738e995347987b6462f3408204
diff --git a/versions.lock b/versions.lock
index 659611f7d41..26d6ebddb94 100644
--- a/versions.lock
+++ b/versions.lock
@@ -126,8 +126,8 @@ io.netty:netty-common:4.2.12.Final (14 constraints: 15d00f13)
 io.netty:netty-handler:4.2.12.Final (5 constraints: 88458591)
 io.netty:netty-handler-proxy:4.2.12.Final (2 constraints: 0d16021d)
 io.netty:netty-resolver:4.2.12.Final (3 constraints: 41251658)
-io.netty:netty-tcnative-boringssl-static:2.0.75.Final (2 constraints: d51a5f58)
-io.netty:netty-tcnative-classes:2.0.75.Final (2 constraints: d61e8d95)
+io.netty:netty-tcnative-boringssl-static:2.0.77.Final (2 constraints: d51a5f58)
+io.netty:netty-tcnative-classes:2.0.77.Final (2 constraints: d81e9b95)
 io.netty:netty-transport:4.2.12.Final (11 constraints: 05a916e1)
 io.netty:netty-transport-classes-epoll:4.2.12.Final (2 constraints: a31d1134)
 io.netty:netty-transport-native-epoll:4.2.12.Final (2 constraints: fc1a4f71)
diff --git a/versions.props b/versions.props
index 9696656c75e..2e198617793 100644
--- a/versions.props
+++ b/versions.props
@@ -28,7 +28,7 @@ io.dropwizard.metrics:*=4.2.38
 io.grpc:grpc-*=1.80.0
 io.jaegertracing:*=1.8.1
 io.netty:netty*=4.2.12.Final
-io.netty:netty-tcnative*=2.0.75.Final
+io.netty:netty-tcnative*=2.0.77.Final
 io.opentelemetry:opentelemetry-bom=1.53.0
 io.opentracing:opentracing*=0.33.0
 io.prometheus:prometheus*=1.5.1