diff --git a/jackson3/src/main/java/org/projectnessie/cel/types/jackson3/Jackson3Registry.java b/jackson3/src/main/java/org/projectnessie/cel/types/jackson3/Jackson3Registry.java
index 8b4084af..3bfd131c 100644
--- a/jackson3/src/main/java/org/projectnessie/cel/types/jackson3/Jackson3Registry.java
+++ b/jackson3/src/main/java/org/projectnessie/cel/types/jackson3/Jackson3Registry.java
@@ -31,7 +31,6 @@
 import tools.jackson.databind.cfg.SerializationContexts;
 import tools.jackson.databind.json.JsonMapper;
 import tools.jackson.databind.ser.SerializationContextExt;
-import tools.jackson.databind.ser.jdk.EnumSerializer;
 import tools.jackson.databind.type.TypeFactory;
 
 /**
@@ -173,10 +172,9 @@ JacksonEnumDescription enumDescription(Class<?> clazz) {
   }
 
   private JacksonEnumDescription computeEnumDescription(Class<?> clazz) {
-    ValueSerializer<?> ser = serializationContextExt.findValueSerializer(clazz);
     JavaType javaType = typeFactory.constructType(clazz);
 
-    JacksonEnumDescription enumDesc = new JacksonEnumDescription(javaType, (EnumSerializer) ser);
+    JacksonEnumDescription enumDesc = new JacksonEnumDescription(javaType);
     enumMap.put(clazz, enumDesc);
 
     enumDesc.buildValues().forEach(v -> enumValues.put(v.fullyQualifiedName(), v));
diff --git a/jackson3/src/main/java/org/projectnessie/cel/types/jackson3/JacksonEnumDescription.java b/jackson3/src/main/java/org/projectnessie/cel/types/jackson3/JacksonEnumDescription.java
index de94164e..a90f83ac 100644
--- a/jackson3/src/main/java/org/projectnessie/cel/types/jackson3/JacksonEnumDescription.java
+++ b/jackson3/src/main/java/org/projectnessie/cel/types/jackson3/JacksonEnumDescription.java
@@ -15,11 +15,12 @@
  */
 package org.projectnessie.cel.types.jackson3;
 
+import java.util.Arrays;
 import java.util.List;
+import java.util.stream.Collectors;
 import java.util.stream.Stream;
 import org.projectnessie.cel.common.types.pb.Checked;
 import tools.jackson.databind.JavaType;
-import tools.jackson.databind.ser.jdk.EnumSerializer;
 
 final class JacksonEnumDescription {
 
@@ -27,9 +28,12 @@ final class JacksonEnumDescription {
   private final com.google.api.expr.v1alpha1.Type pbType;
   private final List<Enum<?>> enumValues;
 
-  JacksonEnumDescription(JavaType javaType, EnumSerializer ser) {
+  JacksonEnumDescription(JavaType javaType) {
     this.name = javaType.getRawClass().getName().replace('$', '.');
-    this.enumValues = ser.getEnumValues().enums();
+    this.enumValues =
+        Arrays.stream(javaType.getRawClass().getEnumConstants())
+            .map(enumValue -> (Enum<?>) enumValue)
+            .collect(Collectors.toList());
     this.pbType = Checked.checkedInt;
   }