diff --git a/spring-core/src/main/java/org/springframework/asm/ClassReader.java b/spring-core/src/main/java/org/springframework/asm/ClassReader.java
index dca87bcc320..8ae1e208bb5 100644
--- a/spring-core/src/main/java/org/springframework/asm/ClassReader.java
+++ b/spring-core/src/main/java/org/springframework/asm/ClassReader.java
@@ -195,7 +195,7 @@ public class ClassReader {
     this.b = classFileBuffer;
     // Check the class' major_version. This field is after the magic and minor_version fields, which
     // use 4 and 2 bytes respectively.
-    if (checkClassVersion && readShort(classFileOffset + 6) > Opcodes.V24) {
+    if (checkClassVersion && readShort(classFileOffset + 6) > Opcodes.V25) {
       throw new IllegalArgumentException(
           "Unsupported class file major version " + readShort(classFileOffset + 6));
     }
diff --git a/spring-core/src/main/java/org/springframework/asm/MethodVisitor.java b/spring-core/src/main/java/org/springframework/asm/MethodVisitor.java
index 6016a766a7f..7fc511d4e62 100644
--- a/spring-core/src/main/java/org/springframework/asm/MethodVisitor.java
+++ b/spring-core/src/main/java/org/springframework/asm/MethodVisitor.java
@@ -594,7 +594,7 @@ public abstract class MethodVisitor {
    * Visits a LOOKUPSWITCH instruction.
    *
    * @param dflt beginning of the default handler block.
-   * @param keys the values of the keys.
+   * @param keys the values of the keys. Keys must be sorted in increasing order.
    * @param labels beginnings of the handler blocks. {@code labels[i]} is the beginning of the
    *     handler block for the {@code keys[i]} key.
    */
diff --git a/spring-core/src/main/java/org/springframework/asm/Opcodes.java b/spring-core/src/main/java/org/springframework/asm/Opcodes.java
index 69192d1aa75..c912933444d 100644
--- a/spring-core/src/main/java/org/springframework/asm/Opcodes.java
+++ b/spring-core/src/main/java/org/springframework/asm/Opcodes.java
@@ -289,6 +289,7 @@ public interface Opcodes {
   int V22 = 0 << 16 | 66;
   int V23 = 0 << 16 | 67;
   int V24 = 0 << 16 | 68;
+  int V25 = 0 << 16 | 69;
 
   /**
    * Version flag indicating that the class is using 'preview' features.