diff --git a/acceptance-tests/build.gradle.kts b/acceptance-tests/build.gradle.kts
index f15bfb10..95863b0b 100644
--- a/acceptance-tests/build.gradle.kts
+++ b/acceptance-tests/build.gradle.kts
@@ -34,7 +34,7 @@ dependencies {
 
     implementation("org.jenkins-ci:acceptance-test-harness:5740.vd30f30408987")
 
-    testImplementation(platform("io.netty:netty-bom:4.1.112.Final"))
+    testImplementation(platform("io.netty:netty-bom:4.1.113.Final"))
     testImplementation("io.ratpack:ratpack-test:2.0.0-rc-1")
 
     add(gradlePlugin.name, project(path = ":", configuration = "gradlePluginJpi"))
diff --git a/build.gradle.kts b/build.gradle.kts
index 1f1fd112..6dc39b01 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -133,7 +133,7 @@ dependencies {
     testImplementation("org.spockframework:spock-junit4:2.3-groovy-2.5")
     testImplementation("net.bytebuddy:byte-buddy:1.15.1")
     testImplementation("org.objenesis:objenesis:3.4")
-    testImplementation(platform("io.netty:netty-bom:4.1.112.Final"))
+    testImplementation(platform("io.netty:netty-bom:4.1.113.Final"))
 
     testImplementation("io.ratpack:ratpack-groovy-test:1.9.0") {
         exclude(group = "com.google.guava", module = "guava")