diff --git a/build/build.xml b/build/build.xml
index d6159610f..fe5de106c 100644
--- a/build/build.xml
+++ b/build/build.xml
@@ -926,8 +926,8 @@
 
   <target name="download-launch4j-windows">
     <antcall target="unzip-with-ant-task">
-      <param name="archive_file" value="windows/launch4j-3.8-win32.zip"/>
-      <param name="archive_url" value="http://downloads.sourceforge.net/project/launch4j/launch4j-3/3.8/launch4j-3.8-win32.zip"/>
+      <param name="archive_file" value="windows/launch4j-3.9-win32.zip"/>
+      <param name="archive_url" value="http://downloads.sourceforge.net/project/launch4j/launch4j-3/3.9/launch4j-3.9-win32.zip"/>
       <param name="final_folder" value="windows/launcher/launch4j"/>
       <param name="dest_folder" value="windows/launcher/"/>
     </antcall>
@@ -935,8 +935,8 @@
 
   <target name="download-launch4j-linux">
     <antcall target="untar">
-      <param name="archive_file" value="windows/launch4j-3.8-linux.tgz"/>
-      <param name="archive_url" value="http://downloads.sourceforge.net/project/launch4j/launch4j-3/3.8/launch4j-3.8-linux.tgz"/>
+      <param name="archive_file" value="windows/launch4j-3.9-linux.tgz"/>
+      <param name="archive_url" value="http://downloads.sourceforge.net/project/launch4j/launch4j-3/3.9/launch4j-3.9-linux.tgz"/>
       <param name="final_folder" value="windows/launcher/launch4j"/>
       <param name="dest_folder" value="windows/launcher/"/>
     </antcall>
diff --git a/build/windows/launch4j-3.8-linux.tgz.sha b/build/windows/launch4j-3.8-linux.tgz.sha
deleted file mode 100644
index 3c6125ab7..000000000
--- a/build/windows/launch4j-3.8-linux.tgz.sha
+++ /dev/null
@@ -1 +0,0 @@
-97a390c10c2c6fce7cc54bee2ef8bcdd790d6dc3
diff --git a/build/windows/launch4j-3.8-win32.zip.sha b/build/windows/launch4j-3.8-win32.zip.sha
deleted file mode 100644
index 99cd59c56..000000000
--- a/build/windows/launch4j-3.8-win32.zip.sha
+++ /dev/null
@@ -1 +0,0 @@
-60bb9fd94177aff5e19d8cba8da84df157ae3200
diff --git a/build/windows/launch4j-3.9-linux.tgz.sha b/build/windows/launch4j-3.9-linux.tgz.sha
new file mode 100644
index 000000000..9374fd0f6
--- /dev/null
+++ b/build/windows/launch4j-3.9-linux.tgz.sha
@@ -0,0 +1 @@
+9d4c377af0149389da9ad3c3f1394fc5a655f540
diff --git a/build/windows/launch4j-3.9-win32.zip.sha b/build/windows/launch4j-3.9-win32.zip.sha
new file mode 100644
index 000000000..d6a20f284
--- /dev/null
+++ b/build/windows/launch4j-3.9-win32.zip.sha
@@ -0,0 +1 @@
+da6645d030137672647f576c8358427bc663282e