diff --git a/requirements/requirements-examples.txt b/requirements/requirements-examples.txt
index 87f4a7a32..c26c25de3 100644
--- a/requirements/requirements-examples.txt
+++ b/requirements/requirements-examples.txt
@@ -23,7 +23,7 @@ protobuf
 azure-identity
 azure-keyvault-keys
 boto3
-cel-python>=0.1.5
+cel-python>=0.4.0
 google-auth
 google-api-core
 google-cloud-kms
diff --git a/requirements/requirements-rules.txt b/requirements/requirements-rules.txt
index 98dcaba4a..4dcf89d83 100644
--- a/requirements/requirements-rules.txt
+++ b/requirements/requirements-rules.txt
@@ -1,7 +1,7 @@
 azure-identity
 azure-keyvault-keys
 boto3>=1.35
-cel-python>=0.1.5
+cel-python>=0.4.0
 google-auth
 google-api-core
 google-cloud-kms
@@ -10,4 +10,4 @@ hvac
 jsonata-python
 # Dependency of cel-python.  Use version 6 due to https://github.com/yaml/pyyaml/issues/601
 pyyaml>=6.0.0
-tink
\ No newline at end of file
+tink
diff --git a/src/confluent_kafka/schema_registry/rules/cel/cel_field_presence.py b/src/confluent_kafka/schema_registry/rules/cel/cel_field_presence.py
index e29685ea9..f78e4887e 100644
--- a/src/confluent_kafka/schema_registry/rules/cel/cel_field_presence.py
+++ b/src/confluent_kafka/schema_registry/rules/cel/cel_field_presence.py
@@ -35,12 +35,12 @@ def in_has() -> bool:
 class InterpretedRunner(celpy.InterpretedRunner):
     def evaluate(self, context):
         class Evaluator(celpy.Evaluator):
-            def macro_has_eval(self, exprlist):
+            def macro_has_eval(self, exprlist) -> celpy.celtypes.BoolType:
                 _has_state.in_has = True
                 result = super().macro_has_eval(exprlist)
                 _has_state.in_has = False
                 return result
 
-        e = Evaluator(ast=self.ast, activation=self.new_activation(context), functions=self.functions)
-        value = e.evaluate()
+        e = Evaluator(ast=self.ast, activation=self.new_activation())
+        value = e.evaluate(context)
         return value