diff --git a/briar-desktop/.classpath b/briar-desktop/.classpath
index 35d353c93..705cf492b 100644
--- a/briar-desktop/.classpath
+++ b/briar-desktop/.classpath
@@ -6,10 +6,10 @@
 	<classpathentry kind="lib" path="/briar-api/libs/guice-3.0-no_aop.jar"/>
 	<classpathentry kind="lib" path="libs/bluecove-2.1.1-SNAPSHOT-briar.jar"/>
 	<classpathentry kind="lib" path="libs/bluecove-gpl-2.1.1-SNAPSHOT.jar"/>
-	<classpathentry kind="lib" path="libs/jna-3.5.2-SNAPSHOT.jar"/>
 	<classpathentry kind="lib" path="libs/jnotify-0.94.jar"/>
 	<classpathentry kind="lib" path="libs/jssc-0.9-briar.jar" sourcepath="libs/source/jssc-0.9-briar-source.jar"/>
-	<classpathentry kind="lib" path="libs/platform-3.5.2-SNAPSHOT.jar"/>
+	<classpathentry kind="lib" path="libs/jna-4.1.0.jar"/>
+	<classpathentry kind="lib" path="libs/jna-platform-4.1.0.jar"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/briar-desktop/libs/jna-3.5.2-SNAPSHOT.jar b/briar-desktop/libs/jna-3.5.2-SNAPSHOT.jar
deleted file mode 100644
index aaa691652..000000000
Binary files a/briar-desktop/libs/jna-3.5.2-SNAPSHOT.jar and /dev/null differ
diff --git a/briar-desktop/libs/jna-4.1.0.jar b/briar-desktop/libs/jna-4.1.0.jar
new file mode 100644
index 000000000..b1a3922fe
Binary files /dev/null and b/briar-desktop/libs/jna-4.1.0.jar differ
diff --git a/briar-desktop/libs/jna-platform-4.1.0.jar b/briar-desktop/libs/jna-platform-4.1.0.jar
new file mode 100644
index 000000000..8d5fe3dee
Binary files /dev/null and b/briar-desktop/libs/jna-platform-4.1.0.jar differ
diff --git a/briar-desktop/libs/platform-3.5.2-SNAPSHOT.jar b/briar-desktop/libs/platform-3.5.2-SNAPSHOT.jar
deleted file mode 100644
index 7174352ca..000000000
Binary files a/briar-desktop/libs/platform-3.5.2-SNAPSHOT.jar and /dev/null differ
diff --git a/jna-3.5.2-SNAPSHOT.patch b/jna-3.5.2-SNAPSHOT.patch
deleted file mode 100644
index 199d38d4d..000000000
--- a/jna-3.5.2-SNAPSHOT.patch
+++ /dev/null
@@ -1,12 +0,0 @@
-diff -Bbur jna-3.5.2-SNAPSHOT/build.xml jna-3.5.2-SNAPSHOT-briar/build.xml
---- jna-3.5.2-SNAPSHOT/build.xml	2013-01-04 01:15:58.845295641 +0000
-+++ jna-3.5.2-SNAPSHOT-briar/build.xml	2013-01-04 01:21:15.981295059 +0000
-@@ -70,7 +70,7 @@
-   <property name="impl.version" value="${jna.version} (b${jna.build})"/>
- 
-   <!-- Set up restrictions for w32ce, based on JavaME/CDC -->
--  <property name="compatibility" value="1.4"/>
-+  <property name="compatibility" value="1.5"/>
-   <property name="platform.compatibility" value="1.5"/>
-   <condition property="test.compatibility" value="1.4">
-     <equals arg1="${os.prefix}" arg2="w32ce-arm"/>