diff --git a/core/src/main/java/com/threerings/getdown/util/LaunchUtil.java b/core/src/main/java/com/threerings/getdown/util/LaunchUtil.java
index 1fa15ee..4ec94fe 100644
--- a/core/src/main/java/com/threerings/getdown/util/LaunchUtil.java
+++ b/core/src/main/java/com/threerings/getdown/util/LaunchUtil.java
@@ -9,6 +9,7 @@ import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.PrintStream;
+import java.nio.file.Files;
 import java.util.Locale;
 
 import static com.threerings.getdown.Log.log;
@@ -52,7 +53,7 @@ public final class LaunchUtil
     {
         // create the file that instructs Getdown to upgrade
         File vfile = new File(appdir, "version.txt");
-        try (PrintStream ps = new PrintStream(new FileOutputStream(vfile))) {
+        try (PrintStream ps = new PrintStream(Files.newOutputStream(vfile.toPath()))) {
             ps.println(newVersion);
         }
 
diff --git a/core/src/main/java/com/threerings/getdown/util/VersionUtil.java b/core/src/main/java/com/threerings/getdown/util/VersionUtil.java
index 7bdcb76..b99ab03 100644
--- a/core/src/main/java/com/threerings/getdown/util/VersionUtil.java
+++ b/core/src/main/java/com/threerings/getdown/util/VersionUtil.java
@@ -32,7 +32,7 @@ public final class VersionUtil
     {
         long fileVersion = -1;
         try (BufferedReader bin =
-             new BufferedReader(new InputStreamReader(new FileInputStream(vfile), UTF_8))) {
+             new BufferedReader(new InputStreamReader(Files.newInputStream(vfile.toPath()), UTF_8))) {
             String vstr = bin.readLine();
             if (!StringUtil.isBlank(vstr)) {
                 fileVersion = Long.parseLong(vstr);
@@ -81,7 +81,7 @@ public final class VersionUtil
     public static long readReleaseVersion (File relfile, String versRegex)
     {
         try (BufferedReader in =
-             new BufferedReader(new InputStreamReader(new FileInputStream(relfile), UTF_8))) {
+             new BufferedReader(new InputStreamReader(Files.newInputStream(relfile.toPath()), UTF_8))) {
             String line = null, relvers = null;
             while ((line = in.readLine()) != null) {
                 if (line.startsWith("JAVA_VERSION=")) {
diff --git a/launcher/src/main/java/com/threerings/getdown/launcher/ProxyUtil.java b/launcher/src/main/java/com/threerings/getdown/launcher/ProxyUtil.java
index 7d7c1f5..7b69cba 100644
--- a/launcher/src/main/java/com/threerings/getdown/launcher/ProxyUtil.java
+++ b/launcher/src/main/java/com/threerings/getdown/launcher/ProxyUtil.java
@@ -20,6 +20,7 @@ import java.net.Proxy;
 import java.net.URL;
 import java.net.URLConnection;
 import java.net.UnknownHostException;
+import java.nio.file.Files;
 import java.util.Iterator;
 import java.util.ServiceLoader;
 
@@ -188,7 +189,7 @@ public final class ProxyUtil {
 
     public static void saveProxy (Application app, String host, String port) {
         File pfile = app.getLocalPath("proxy.txt");
-        try (PrintStream pout = new PrintStream(new FileOutputStream(pfile))) {
+        try (PrintStream pout = new PrintStream(Files.newOutputStream(pfile.toPath()))) {
             if (!StringUtil.isBlank(host)) {
                 pout.println("host = " + host);
             }