diff --git a/ebean-core/pom.xml b/ebean-core/pom.xml
index 94223d0cf..d1c6bb031 100644
--- a/ebean-core/pom.xml
+++ b/ebean-core/pom.xml
@@ -70,7 +70,7 @@
     <dependency>
       <groupId>io.ebean</groupId>
       <artifactId>ebean-migration</artifactId>
-      <version>12.2.0</version>
+      <version>12.4.0</version>
       <scope>test</scope>
     </dependency>
 
diff --git a/ebean-ddl-generator/pom.xml b/ebean-ddl-generator/pom.xml
index bee92b994..1d94dbab8 100644
--- a/ebean-ddl-generator/pom.xml
+++ b/ebean-ddl-generator/pom.xml
@@ -23,7 +23,7 @@
     <dependency>
       <groupId>io.ebean</groupId>
       <artifactId>ebean-migration</artifactId>
-      <version>12.2.0</version>
+      <version>12.4.0</version>
     </dependency>
 
     <dependency>
diff --git a/ebean-test/pom.xml b/ebean-test/pom.xml
index 992aff7fa..f9d1e012d 100644
--- a/ebean-test/pom.xml
+++ b/ebean-test/pom.xml
@@ -91,7 +91,7 @@
     <dependency>
       <groupId>org.postgresql</groupId>
       <artifactId>postgresql</artifactId>
-      <version>42.2.12</version>
+      <version>42.2.18</version>
       <scope>test</scope>
     </dependency>
 
diff --git a/ebean-test/src/main/java/io/ebean/test/DbJson.java b/ebean-test/src/main/java/io/ebean/test/DbJson.java
index b7fae39bb..79de39099 100644
--- a/ebean-test/src/main/java/io/ebean/test/DbJson.java
+++ b/ebean-test/src/main/java/io/ebean/test/DbJson.java
@@ -1,7 +1,6 @@
 package io.ebean.test;
 
 import io.ebean.DB;
-import io.ebean.migration.util.IOUtils;
 
 import java.io.IOException;
 import java.io.InputStream;
diff --git a/ebean-test/src/main/java/io/ebean/test/IOUtils.java b/ebean-test/src/main/java/io/ebean/test/IOUtils.java
new file mode 100644
index 000000000..79b706706
--- /dev/null
+++ b/ebean-test/src/main/java/io/ebean/test/IOUtils.java
@@ -0,0 +1,62 @@
+package io.ebean.test;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.nio.charset.StandardCharsets;
+
+/**
+ * Utilities for IO.
+ */
+class IOUtils {
+
+  /**
+   * Reads the entire contents of the specified input stream and return them as UTF-8 string.
+   */
+  static String readUtf8(InputStream in) throws IOException {
+    return bytesToUtf8(read(in));
+  }
+
+  /**
+   * Reads the entire contents of the specified input stream and returns them as a byte array.
+   */
+  private static byte[] read(InputStream in) throws IOException {
+    ByteArrayOutputStream buffer = new ByteArrayOutputStream();
+    pump(in, buffer);
+    return buffer.toByteArray();
+  }
+
+  /**
+   * Returns the UTF-8 string corresponding to the specified bytes.
+   */
+  private static String bytesToUtf8(byte[] data) {
+    return new String(data, StandardCharsets.UTF_8);
+  }
+
+  /**
+   * Reads data from the specified input stream and copies it to the specified
+   * output stream, until the input stream is at EOF. Both streams are then
+   * closed.
+   */
+  private static void pump(InputStream in, OutputStream out) throws IOException {
+    if (in == null) throw new IOException("Input stream is null");
+    if (out == null) throw new IOException("Output stream is null");
+    try {
+      try {
+        byte[] buffer = new byte[4096];
+        for (; ; ) {
+          int bytes = in.read(buffer);
+          if (bytes < 0) {
+            break;
+          }
+          out.write(buffer, 0, bytes);
+        }
+      } finally {
+        in.close();
+      }
+    } finally {
+      out.close();
+    }
+  }
+}