diff --git a/build.gradle b/build.gradle
index dd43bf1e..2982b9bf 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@ plugins {
     id 'org.beryx.jlink' version '2.22.0'
 }
 
-def sparrowVersion = '1.4.1'
+def sparrowVersion = '1.4.2'
 def os = org.gradle.internal.os.OperatingSystem.current()
 def osName = os.getFamilyName()
 if(os.macOsX) {
@@ -50,7 +50,7 @@ dependencies {
         exclude group: 'org.slf4j'
     }
     implementation('org.jdbi:jdbi3-sqlobject:3.20.0')
-    implementation('org.flywaydb:flyway-core:7.10.1-SNAPSHOT')
+    implementation('org.flywaydb:flyway-core:7.10.5-SNAPSHOT')
     implementation('org.fxmisc.richtext:richtextfx:0.10.4')
     implementation('no.tornado:tornadofx-controls:1.0.4')
     implementation('com.google.zxing:javase:3.4.0')
@@ -138,6 +138,8 @@ jlink {
         requires 'com.fasterxml.jackson.databind'
         requires 'jdk.crypto.cryptoki'
         requires 'java.management'
+        uses 'org.flywaydb.core.extensibility.FlywayExtension'
+        uses 'org.flywaydb.core.internal.database.DatabaseType'
     }
 
     options = ['--strip-debug', '--compress', '2', '--no-header-files', '--no-man-pages', '--ignore-signing-information', '--exclude-files', '**.png']
@@ -161,7 +163,8 @@ jlink {
                    "--add-opens=javafx.graphics/com.sun.javafx.application=com.sparrowwallet.sparrow",
                    "--add-opens=java.base/java.net=com.sparrowwallet.sparrow",
                    "--add-reads=com.sparrowwallet.merged.module=java.desktop",
-                   "--add-reads=com.sparrowwallet.merged.module=java.sql"]
+                   "--add-reads=com.sparrowwallet.merged.module=java.sql",
+                   "--add-reads=com.sparrowwallet.merged.module=com.sparrowwallet.sparrow"]
 
         if(os.macOsX) {
             jvmArgs += "--add-opens=javafx.graphics/com.sun.glass.ui.mac=com.sparrowwallet.merged.module"
diff --git a/src/main/deploy/package/osx/Info.plist b/src/main/deploy/package/osx/Info.plist
index 9771859b..5182aabd 100644
--- a/src/main/deploy/package/osx/Info.plist
+++ b/src/main/deploy/package/osx/Info.plist
@@ -21,7 +21,7 @@
   <key>CFBundlePackageType</key>
   <string>APPL</string>
   <key>CFBundleShortVersionString</key>
-  <string>1.4.1</string>
+  <string>1.4.2</string>
   <key>CFBundleSignature</key>
   <string>????</string>
   <!-- See https://developer.apple.com/app-store/categories/ for list of AppStore categories -->
diff --git a/src/main/java/com/sparrowwallet/sparrow/AboutController.java b/src/main/java/com/sparrowwallet/sparrow/AboutController.java
index 4ae2d8d3..b3dcbc23 100644
--- a/src/main/java/com/sparrowwallet/sparrow/AboutController.java
+++ b/src/main/java/com/sparrowwallet/sparrow/AboutController.java
@@ -12,7 +12,7 @@ public class AboutController {
     private Label title;
 
     public void initializeView() {
-        title.setText(MainApp.APP_NAME + " " + MainApp.APP_VERSION);
+        title.setText(MainApp.APP_NAME + " " + MainApp.APP_VERSION + MainApp.APP_VERSION_SUFFIX);
     }
 
     public void setStage(Stage stage) {
diff --git a/src/main/java/com/sparrowwallet/sparrow/MainApp.java b/src/main/java/com/sparrowwallet/sparrow/MainApp.java
index a2f5fed9..6717c22f 100644
--- a/src/main/java/com/sparrowwallet/sparrow/MainApp.java
+++ b/src/main/java/com/sparrowwallet/sparrow/MainApp.java
@@ -31,7 +31,8 @@ import java.util.stream.Collectors;
 public class MainApp extends Application {
     public static final String APP_ID = "com.sparrowwallet.sparrow";
     public static final String APP_NAME = "Sparrow";
-    public static final String APP_VERSION = "1.4.1";
+    public static final String APP_VERSION = "1.4.2";
+    public static final String APP_VERSION_SUFFIX = "-beta";
     public static final String APP_HOME_PROPERTY = "sparrow.home";
     public static final String NETWORK_ENV_PROPERTY = "SPARROW_NETWORK";
 
diff --git a/src/main/java/com/sparrowwallet/sparrow/io/Hwi.java b/src/main/java/com/sparrowwallet/sparrow/io/Hwi.java
index 52a538e8..c9e1bb8b 100644
--- a/src/main/java/com/sparrowwallet/sparrow/io/Hwi.java
+++ b/src/main/java/com/sparrowwallet/sparrow/io/Hwi.java
@@ -230,7 +230,7 @@ public class Hwi {
             String hwiPath = hwiExecutable.getAbsolutePath();
             if(command.isTestFirst() && (hwiPath.contains(tmpDir) || hwiPath.startsWith(homeDir.getAbsolutePath())) && (!hwiPath.contains(HWI_VERSION_DIR) || !testHwi(hwiExecutable))) {
                 if(Platform.getCurrent() == Platform.OSX) {
-                    deleteDirectory(hwiExecutable.getParentFile());
+                    IOUtils.deleteDirectory(hwiExecutable.getParentFile());
                 } else {
                     hwiExecutable.delete();
                 }
@@ -339,17 +339,6 @@ public class Hwi {
         }
     }
 
-    private boolean deleteDirectory(File directoryToBeDeleted) {
-        File[] allContents = directoryToBeDeleted.listFiles();
-        if (allContents != null) {
-            for (File file : allContents) {
-                deleteDirectory(file);
-            }
-        }
-
-        return directoryToBeDeleted.delete();
-    }
-
     public static File newDirectory(File destinationDir, ZipEntry zipEntry, Set<PosixFilePermission> setFilePermissions) throws IOException {
         String destDirPath = destinationDir.getCanonicalPath();
 
diff --git a/src/main/java/com/sparrowwallet/sparrow/io/IOUtils.java b/src/main/java/com/sparrowwallet/sparrow/io/IOUtils.java
index 4524588c..c93ac253 100644
--- a/src/main/java/com/sparrowwallet/sparrow/io/IOUtils.java
+++ b/src/main/java/com/sparrowwallet/sparrow/io/IOUtils.java
@@ -1,8 +1,17 @@
 package com.sparrowwallet.sparrow.io;
 
 import java.io.*;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.net.URLDecoder;
 import java.nio.charset.StandardCharsets;
+import java.nio.file.FileSystems;
 import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.*;
+import java.util.jar.JarEntry;
+import java.util.jar.JarFile;
 
 public class IOUtils {
     public static FileType getFileType(File file) {
@@ -38,4 +47,75 @@ public class IOUtils {
 
         return FileType.UNKNOWN;
     }
+
+    /**
+     * List directory contents for a resource folder. Not recursive.
+     * This is basically a brute-force implementation.
+     * Works for regular files, JARs and Java modules.
+     *
+     * @param clazz Any java class that lives in the same place as the resources you want.
+     * @param path Should end with "/", but not start with one.
+     * @return Just the name of each member item, not the full paths.
+     * @throws URISyntaxException
+     * @throws IOException
+     */
+    public static String[] getResourceListing(Class clazz, String path) throws URISyntaxException, IOException {
+        URL dirURL = clazz.getClassLoader().getResource(path);
+        if(dirURL != null && dirURL.getProtocol().equals("file")) {
+            /* A file path: easy enough */
+            return new File(dirURL.toURI()).list();
+        }
+
+        if(dirURL == null) {
+            /*
+             * In case of a jar file, we can't actually find a directory.
+             * Have to assume the same jar as clazz.
+             */
+            String me = clazz.getName().replace(".", "/")+".class";
+            dirURL = clazz.getClassLoader().getResource(me);
+        }
+
+        if(dirURL.getProtocol().equals("jar")) {
+            /* A JAR path */
+            String jarPath = dirURL.getPath().substring(5, dirURL.getPath().indexOf("!")); //strip out only the JAR file
+            JarFile jar = new JarFile(URLDecoder.decode(jarPath, "UTF-8"));
+            Enumeration<JarEntry> entries = jar.entries(); //gives ALL entries in jar
+            Set<String> result = new HashSet<String>(); //avoid duplicates in case it is a subdirectory
+            while(entries.hasMoreElements()) {
+                String name = entries.nextElement().getName();
+                if(name.startsWith(path)) { //filter according to the path
+                    String entry = name.substring(path.length());
+                    int checkSubdir = entry.indexOf("/");
+                    if (checkSubdir >= 0) {
+                        // if it is a subdirectory, we just return the directory name
+                        entry = entry.substring(0, checkSubdir);
+                    }
+                    result.add(entry);
+                }
+            }
+
+            return result.toArray(new String[result.size()]);
+        }
+
+        if(dirURL.getProtocol().equals("jrt")) {
+            java.nio.file.FileSystem jrtFs = FileSystems.newFileSystem(URI.create("jrt:/"), Collections.emptyMap());
+            Path resourcePath = jrtFs.getPath("modules/com.sparrowwallet.sparrow", path);
+            return Files.list(resourcePath).map(filePath -> filePath.getFileName().toString()).toArray(String[]::new);
+        }
+
+        throw new UnsupportedOperationException("Cannot list files for URL " + dirURL);
+    }
+
+    public static boolean deleteDirectory(File directory) {
+        try {
+            Files.walk(directory.toPath())
+                    .sorted(Comparator.reverseOrder())
+                    .map(Path::toFile)
+                    .forEach(File::delete);
+        } catch(IOException e) {
+            return false;
+        }
+
+        return true;
+    }
 }
diff --git a/src/main/java/com/sparrowwallet/sparrow/io/db/DbPersistence.java b/src/main/java/com/sparrowwallet/sparrow/io/db/DbPersistence.java
index a030f870..0fc69c95 100644
--- a/src/main/java/com/sparrowwallet/sparrow/io/db/DbPersistence.java
+++ b/src/main/java/com/sparrowwallet/sparrow/io/db/DbPersistence.java
@@ -1,6 +1,7 @@
 package com.sparrowwallet.sparrow.io.db;
 
 import com.google.common.eventbus.Subscribe;
+import com.google.common.io.Files;
 import com.sparrowwallet.drongo.Utils;
 import com.sparrowwallet.drongo.crypto.Argon2KeyDeriver;
 import com.sparrowwallet.drongo.crypto.AsymmetricKeyDeriver;
@@ -29,6 +30,7 @@ import java.io.*;
 import java.nio.ByteBuffer;
 import java.nio.channels.FileChannel;
 import java.nio.charset.StandardCharsets;
+import java.nio.file.StandardCopyOption;
 import java.security.SecureRandom;
 import java.util.*;
 import java.util.stream.Collectors;
@@ -46,6 +48,7 @@ public class DbPersistence implements Persistence {
     public static final byte[] HEADER_MAGIC_1 = "SPRW1\n".getBytes(StandardCharsets.UTF_8);
     private static final String H2_USER = "sa";
     private static final String H2_PASSWORD = "";
+    public static final String MIGRATION_RESOURCES_DIR = "com/sparrowwallet/sparrow/sql/";
 
     private HikariDataSource dataSource;
     private AsymmetricKeyDeriver keyDeriver;
@@ -299,8 +302,9 @@ public class DbPersistence implements Persistence {
     }
 
     private void migrate(Storage storage, String schema, ECKey encryptionKey) throws StorageException {
+        File migrationDir = getMigrationDir();
         try {
-            Flyway flyway = getFlyway(storage, schema, getFilePassword(encryptionKey));
+            Flyway flyway = getFlyway(storage, schema, getFilePassword(encryptionKey), migrationDir);
             flyway.migrate();
         } catch(FlywayValidateException e) {
             log.error("Failed to open wallet file. Validation error during schema migration.", e);
@@ -308,20 +312,22 @@ public class DbPersistence implements Persistence {
         } catch(FlywayException e) {
             log.error("Failed to open wallet file. ", e);
             throw new StorageException("Failed to open wallet file.\n" + e.getMessage(), e);
+        } finally {
+            IOUtils.deleteDirectory(migrationDir);
         }
     }
 
     private void cleanAndMigrate(Storage storage, String schema, String password) throws StorageException {
+        File migrationDir = getMigrationDir();
         try {
-            boolean existing = (dataSource == null);
-            Flyway flyway = getFlyway(storage, schema, password);
-            if(existing) {
-                flyway.clean();
-            }
+            Flyway flyway = getFlyway(storage, schema, password, migrationDir);
+            flyway.clean();
             flyway.migrate();
         } catch(FlywayException e) {
             log.error("Failed to save wallet file.", e);
             throw new StorageException("Failed to save wallet file.\n" + e.getMessage(), e);
+        } finally {
+            IOUtils.deleteDirectory(migrationDir);
         }
     }
 
@@ -504,8 +510,30 @@ public class DbPersistence implements Persistence {
         return jdbi;
     }
 
-    private Flyway getFlyway(Storage storage, String schema, String password) throws StorageException {
-        return Flyway.configure().dataSource(getDataSource(storage, password)).locations("com/sparrowwallet/sparrow/sql").schemas(schema).load();
+    private Flyway getFlyway(Storage storage, String schema, String password, File resourcesDir) throws StorageException {
+        return Flyway.configure().dataSource(getDataSource(storage, password)).locations("filesystem:" + resourcesDir.getAbsolutePath()).schemas(schema).failOnMissingLocations(true).load();
+    }
+
+    //Flyway does not support JPMS yet, so the migration files are extracted to a temp dir in order to avoid classloader encapsulation issues
+    private File getMigrationDir() {
+        File migrationDir = Files.createTempDir();
+        try {
+            String[] files = IOUtils.getResourceListing(DbPersistence.class, MIGRATION_RESOURCES_DIR);
+            for(String name : files) {
+                File targetFile = new File(migrationDir, name);
+                try(InputStream inputStream = DbPersistence.class.getResourceAsStream("/" + MIGRATION_RESOURCES_DIR + name)) {
+                    if(inputStream != null) {
+                        java.nio.file.Files.copy(inputStream, targetFile.toPath(), StandardCopyOption.REPLACE_EXISTING);
+                    } else {
+                        log.error("Could not load resource at /" + MIGRATION_RESOURCES_DIR + name);
+                    }
+                }
+            }
+        } catch(Exception e) {
+            log.error("Could not extract migration resources", e);
+        }
+
+        return migrationDir;
     }
 
     private HikariDataSource getDataSource(Storage storage, String password) throws StorageException {
@@ -518,11 +546,15 @@ public class DbPersistence implements Persistence {
 
     private HikariDataSource createDataSource(File walletFile, String password) throws StorageException {
         try {
+            Class.forName("org.h2.Driver");
             HikariConfig config = new HikariConfig();
             config.setJdbcUrl(getUrl(walletFile, password));
             config.setUsername(H2_USER);
             config.setPassword(password == null ? H2_PASSWORD : password + " " + H2_PASSWORD);
             return new HikariDataSource(config);
+        } catch(ClassNotFoundException e) {
+            log.error("Cannot find H2 driver", e);
+            throw new StorageException("Cannot find H2 driver", e);
         } catch(HikariPool.PoolInitializationException e) {
             if(e.getMessage() != null && e.getMessage().contains("Database may be already in use")) {
                 log.error("Wallet file may already be in use. Make sure the application is not running elsewhere.", e);
diff --git a/src/main/resources/logback.xml b/src/main/resources/logback.xml
index 7291e7f0..7216bbc9 100644
--- a/src/main/resources/logback.xml
+++ b/src/main/resources/logback.xml
@@ -9,6 +9,7 @@
     <logger name="sun.net.www.protocol.http.HttpURLConnection" level="INFO" />
     <logger name="h2database" level="ERROR" />
     <logger name="com.zaxxer.hikari.HikariDataSource" level="WARN" />
+    <logger name="com.zaxxer.hikari.pool.HikariPool" level="ERROR" />
     <logger name="org.flywaydb.core.internal.command.DbValidate" level="WARN" />
     <logger name="org.flywaydb.core.internal.command.DbMigrate" level="WARN" />
     <logger name="org.flywaydb.core.internal.command.DbClean" level="ERROR" />