diff --git a/.github/workflows/check_netty_snapshots.yml b/.github/workflows/check_netty_snapshots.yml
index efbfc9ce3b..375be09491 100644
--- a/.github/workflows/check_netty_snapshots.yml
+++ b/.github/workflows/check_netty_snapshots.yml
@@ -29,4 +29,4 @@ jobs:
           distribution: 'temurin'
           java-version: '8'
       - name: Build with Gradle
-        run: ./gradlew clean check --no-daemon -PforceTransport=${{ matrix.transport }} -PforceNettyVersion='4.1.77.Final-SNAPSHOT'
+        run: ./gradlew clean check --no-daemon -PforceTransport=${{ matrix.transport }} -PforceNettyVersion='4.1.78.Final-SNAPSHOT'
diff --git a/build.gradle b/build.gradle
index 566d3e5640..c2a4d82ce3 100644
--- a/build.gradle
+++ b/build.gradle
@@ -95,7 +95,7 @@ ext {
 	logbackVersion = '1.2.11'
 
 	// Netty
-	nettyDefaultVersion = '4.1.76.Final'
+	nettyDefaultVersion = '4.1.77.Final'
 	if (!project.hasProperty("forceNettyVersion")) {
 		nettyVersion = nettyDefaultVersion
 	}