diff --git a/app/.classpath b/app/.classpath
index 27164be5b..bb2bf7417 100644
--- a/app/.classpath
+++ b/app/.classpath
@@ -35,7 +35,7 @@
 	<classpathentry kind="lib" path="lib/jackson-core-2.9.5.jar"/>
 	<classpathentry kind="lib" path="lib/jackson-databind-2.9.5.jar"/>
 	<classpathentry kind="lib" path="lib/java-semver-0.8.0.jar"/>
-	<classpathentry kind="lib" path="lib/jmdns-3.5.3.jar"/>
+	<classpathentry kind="lib" path="lib/jmdns-3.5.5.jar"/>
 	<classpathentry kind="lib" path="lib/slf4j-api-1.7.22.jar"/>
 	<classpathentry kind="lib" path="lib/slf4j-simple-1.7.22.jar"/>
 	<classpathentry kind="lib" path="lib/log4j-api-2.12.0.jar"/>
diff --git a/app/lib/jmdns-3.5.3.jar b/app/lib/jmdns-3.5.3.jar
deleted file mode 100644
index d4d9c67f4..000000000
Binary files a/app/lib/jmdns-3.5.3.jar and /dev/null differ
diff --git a/app/lib/jmdns-3.5.5.jar b/app/lib/jmdns-3.5.5.jar
new file mode 100644
index 000000000..a8b65ff2e
Binary files /dev/null and b/app/lib/jmdns-3.5.5.jar differ
diff --git a/arduino-core/.classpath b/arduino-core/.classpath
index b4f9733f8..fd2e5d190 100644
--- a/arduino-core/.classpath
+++ b/arduino-core/.classpath
@@ -5,7 +5,7 @@
 	<classpathentry kind="lib" path="lib/apple.jar"/>
 	<classpathentry kind="lib" path="lib/commons-logging-1.0.4.jar"/>
 	<classpathentry kind="lib" path="lib/commons-net-3.3.jar"/>
-	<classpathentry kind="lib" path="lib/jmdns-3.5.3.jar"/>
+	<classpathentry kind="lib" path="lib/jmdns-3.5.5.jar"/>
 	<classpathentry kind="lib" path="lib/slf4j-api-1.7.22.jar"/>
 	<classpathentry kind="lib" path="lib/slf4j-simple-1.7.22.jar"/>
 	<classpathentry kind="lib" path="lib/log4j-api-2.12.0.jar"/>
diff --git a/arduino-core/lib/jmdns-3.5.3.jar b/arduino-core/lib/jmdns-3.5.3.jar
deleted file mode 100644
index d4d9c67f4..000000000
Binary files a/arduino-core/lib/jmdns-3.5.3.jar and /dev/null differ
diff --git a/arduino-core/lib/jmdns-3.5.5.jar b/arduino-core/lib/jmdns-3.5.5.jar
new file mode 100644
index 000000000..a8b65ff2e
Binary files /dev/null and b/arduino-core/lib/jmdns-3.5.5.jar differ
diff --git a/build/windows/launcher/config.xml b/build/windows/launcher/config.xml
index affef023c..c82f783dd 100644
--- a/build/windows/launcher/config.xml
+++ b/build/windows/launcher/config.xml
@@ -41,7 +41,7 @@
     <cp>%EXEDIR%/lib/jackson-core-2.9.5.jar</cp>
     <cp>%EXEDIR%/lib/jackson-databind-2.9.5.jar</cp>
     <cp>%EXEDIR%/lib/java-semver-0.8.0.jar</cp>
-    <cp>%EXEDIR%/lib/jmdns-3.5.3.jar</cp>
+    <cp>%EXEDIR%/lib/jmdns-3.5.5.jar</cp>
     <cp>%EXEDIR%/lib/jtouchbar-1.0.0.jar</cp>
     <cp>%EXEDIR%/lib/log4j-api-2.12.0.jar</cp>
     <cp>%EXEDIR%/lib/log4j-core-2.12.0.jar</cp>
diff --git a/build/windows/launcher/config_debug.xml b/build/windows/launcher/config_debug.xml
index 59d5a35ae..5413313c1 100644
--- a/build/windows/launcher/config_debug.xml
+++ b/build/windows/launcher/config_debug.xml
@@ -41,7 +41,7 @@
     <cp>%EXEDIR%/lib/jackson-core-2.9.5.jar</cp>
     <cp>%EXEDIR%/lib/jackson-databind-2.9.5.jar</cp>
     <cp>%EXEDIR%/lib/java-semver-0.8.0.jar</cp>
-    <cp>%EXEDIR%/lib/jmdns-3.5.3.jar</cp>
+    <cp>%EXEDIR%/lib/jmdns-3.5.5.jar</cp>
     <cp>%EXEDIR%/lib/jtouchbar-1.0.0.jar</cp>
     <cp>%EXEDIR%/lib/log4j-api-2.12.0.jar</cp>
     <cp>%EXEDIR%/lib/log4j-core-2.12.0.jar</cp>