diff --git a/lib/src/main/java/rife/bld/operations/UpgradeOperation.java b/lib/src/main/java/rife/bld/operations/UpgradeOperation.java
index 21b7177e..df19527c 100644
--- a/lib/src/main/java/rife/bld/operations/UpgradeOperation.java
+++ b/lib/src/main/java/rife/bld/operations/UpgradeOperation.java
@@ -3,6 +3,7 @@ package rife.bld.operations;
 import rife.Version;
 import rife.bld.wrapper.Wrapper;
 
+import java.io.File;
 import java.io.IOException;
 import java.nio.file.Path;
 import java.util.List;
@@ -34,8 +35,8 @@ public class UpgradeOperation extends AbstractOperation<UpgradeOperation> {
      */
     public void execute()
     throws IOException {
-        // create the wrapper files
         new Wrapper().createWrapperFiles(Path.of("lib", "bld").toFile(), Version.getVersion());
+        new Wrapper().upgradeIdeaBldLibrary(new File(".idea"), Version.getVersion());
         if (!silent()) {
             System.out.println("The wrapper was successfully upgraded.");
         }
diff --git a/lib/src/main/java/rife/bld/wrapper/Wrapper.java b/lib/src/main/java/rife/bld/wrapper/Wrapper.java
index 61acc3af..b4da2a8b 100644
--- a/lib/src/main/java/rife/bld/wrapper/Wrapper.java
+++ b/lib/src/main/java/rife/bld/wrapper/Wrapper.java
@@ -68,6 +68,28 @@ public class Wrapper {
         createWrapperJar(destinationDirectory);
     }
 
+    /**
+     * Upgraded the IDEA bld files that were generated with a preview version.
+     *
+     * @param destinationDirectory the directory with the IDEA files
+     * @param version              the RIFE2 version they should be using
+     * @throws IOException when an error occurred during the upgrade of the IDEA files
+     * @since 1.5.2
+     */
+    public void upgradeIdeaBldLibrary(File destinationDirectory, String version)
+    throws IOException {
+        var file = new File(destinationDirectory, Path.of("libraries", "bld.xml").toString());
+        if (file.exists()) {
+            try {
+                var content = FileUtils.readString(file);
+                content = content.replaceAll("rife2-[^\"/!]+\\.jar", "rife2-" + version + ".jar");
+                FileUtils.writeString(content, file);
+            } catch (FileUtilsErrorException e) {
+                throw new IOException(e);
+            }
+        }
+    }
+
     private void createWrapperProperties(File destinationDirectory, String version)
     throws IOException {
         var file = new File(destinationDirectory, WRAPPER_PROPERTIES);