diff --git a/gradle/support/fetchDependencies.gradle b/gradle/support/fetchDependencies.gradle
index e6b9211a75..76d4ef33f4 100644
--- a/gradle/support/fetchDependencies.gradle
+++ b/gradle/support/fetchDependencies.gradle
@@ -56,13 +56,13 @@ ext.YAJSW_ZIP = 'https://sourceforge.net/projects/yajsw/files/yajsw/yajsw-stable
 ext.PYDEV_ZIP = 'https://sourceforge.net/projects/pydev/files/pydev/PyDev%206.3.1/PyDev%206.3.1.zip'
 ext.CDT_ZIP = 'http://www.eclipse.org/downloads/download.php?r=1&protocol=https&file=/tools/cdt/releases/8.6/cdt-8.6.0.zip'
 
-// The MD5s for each of the dependencies
-ext.DEX_MD5 = '032456b9db9e6059376611553aecf31f'
-ext.AXML_MD5 = '55d70be9862c2b456cc91a933c197934'
-ext.HFS_MD5 = 'cc1713d634d2cd1fd7f21e18ae4d5d5c'
-ext.YAJSW_MD5 = 'e490ea92554f0238d74d4ef6161cb2c7'
-ext.PYDEV_MD5 = '06263bdef4917c49d8d977d12c2d5073'
-ext.CDT_MD5 = '8e9438a6e3947d614af98e1b58e945a2'
+// The SHA-256s for each of the dependencies
+ext.DEX_SHA_256 = '7907eb4d6e9280b6e17ddce7ee0507eae2ef161ee29f70a10dbc6944fdca75bc'
+ext.AXML_SHA_256 = '00ed038eb6abaf6ddec8d202a3ed7a81b521458f4cd459948115cfd02ff59d6d'
+ext.HFS_SHA_256 = '90c9b54798abca5b12f4a678db7d0a4c970f4702cb153c11919536d0014dedbf'
+ext.YAJSW_SHA_256 = '1398fcb1e93abb19992c4fa06d7fe5758aabb4c45781d7ef306c6f57ca7a7321'
+ext.PYDEV_SHA_256 = '4d81fe9d8afe7665b8ea20844d3f5107f446742927c59973eade4f29809b0699'
+ext.CDT_SHA_256 = '81b7d19d57c4a3009f4761699a72e8d642b5e1d9251d2bb98df438b1e28f8ba9'
 
 // Number of times to try and establish a connection when downloading files before
 // failing
@@ -109,7 +109,7 @@ def createDirs() {
  *
  * Note: We do not validate that the number of bytes downloaded matches the
  *       expected total here; any discrepencies will be caught when checking
- *       the MD5s later on.
+ *       the SHA-256s later on.
  *
  * @param url the file to download
  * @param filename the local file to create for the download
@@ -206,39 +206,39 @@ def populateFlatRepo() {
    // 1. Download all the dependencies and verify their checksums. If the dependency has already
    //    been download, do NOT download again.
    File file = new File(DOWNLOADS_DIR, 'dex-tools-2.0.zip')
-   if (!DEX_MD5.equals(generateChecksum(file))) {
+   if (!DEX_SHA_256.equals(generateChecksum(file))) {
       download (DEX_ZIP, file.path)
-      validateChecksum(generateChecksum(file), DEX_MD5);
+      validateChecksum(generateChecksum(file), DEX_SHA_256);
    }
   
    file = new File(DOWNLOADS_DIR, 'AXMLPrinter2.jar')
-   if (!AXML_MD5.equals(generateChecksum(file))) {
+   if (!AXML_SHA_256.equals(generateChecksum(file))) {
       download (AXML_ZIP, file.path)
-      validateChecksum(generateChecksum(file), AXML_MD5);
+      validateChecksum(generateChecksum(file), AXML_SHA_256);
    }
    
    file = new File(DOWNLOADS_DIR, 'hfsexplorer-0_21-bin.zip')
-   if (!HFS_MD5.equals(generateChecksum(file))) {
+   if (!HFS_SHA_256.equals(generateChecksum(file))) {
       download (HFS_ZIP, file.path)
-      validateChecksum(generateChecksum(file), HFS_MD5);
+      validateChecksum(generateChecksum(file), HFS_SHA_256);
    }
    
    file = new File(DOWNLOADS_DIR, 'yajsw-stable-12.12.zip')
-   if (!YAJSW_MD5.equals(generateChecksum(file))) {
+   if (!YAJSW_SHA_256.equals(generateChecksum(file))) {
       download (YAJSW_ZIP, file.path)
-      validateChecksum(generateChecksum(file), YAJSW_MD5);
+      validateChecksum(generateChecksum(file), YAJSW_SHA_256);
    }
    
    file = new File(DOWNLOADS_DIR, 'PyDev 6.3.1.zip')
-   if (!PYDEV_MD5.equals(generateChecksum(file))) {
+   if (!PYDEV_SHA_256.equals(generateChecksum(file))) {
       download (PYDEV_ZIP, file.path)
-      validateChecksum(generateChecksum(file), PYDEV_MD5);
+      validateChecksum(generateChecksum(file), PYDEV_SHA_256);
    }
    
    file = new File(DOWNLOADS_DIR, 'cdt-8.6.0.zip')
-   if (!CDT_MD5.equals(generateChecksum(file))) {
+   if (!CDT_SHA_256.equals(generateChecksum(file))) {
       download (CDT_ZIP, file.path)
-      validateChecksum(generateChecksum(file), CDT_MD5);
+      validateChecksum(generateChecksum(file), CDT_SHA_256);
    }
    
    // 2. Unzip the dependencies
@@ -256,7 +256,7 @@ def populateFlatRepo() {
 }
 
 /**
- * Generates the md5 for the given file
+ * Generates the SHA-256 for the given file
  *
  * @param file the file to generate the checksum for
  * @return the generated checksum
@@ -265,7 +265,7 @@ def generateChecksum(file) {
    if (!file.exists()) {
       return null
    }
-   MessageDigest md = MessageDigest.getInstance("MD5");
+   MessageDigest md = MessageDigest.getInstance("SHA-256");
    md.update(Files.readAllBytes(Paths.get(file.path)));
    byte[] digest = md.digest();
    StringBuilder sb = new StringBuilder();
@@ -279,11 +279,11 @@ def generateChecksum(file) {
 /**
  * Compares two checksums and generates an assert failure if they do not match
  *
- * @param sourceMd5 the checksum to validate
- * @param expectedMd5 the expected checksum
+ * @param sourceSha256 the checksum to validate
+ * @param expectedSha256 the expected checksum
  */
-def validateChecksum(sourceMd5, expectedMd5) {
-   	assert(sourceMd5.equals(expectedMd5));    
+def validateChecksum(sourceSha256, expectedSha256) {
+   	assert(sourceSha256.equals(expectedSha256));    
 }
 
 /**