diff --git a/README.md b/README.md
index 0e9a4a1..ae04bf4 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@ guardrails.cucumber-expression-match
 
 | Developed by        | jenisys        |
 |---------------------|----------------|
-| Date of development | 2024-06-22     |
+| Date of development | 2024-08-14     |
 | Validator type      | rule-following |
 | License             | MIT            |
 | Input/Output        | Output         |
@@ -43,7 +43,7 @@ Check if text follows a specified schema (described by this cucumber-expression)
 
 * Dependencies:
 
-  - `guardrails-ai>=0.4.5`
+  - `guardrails-ai>=0.5.4`
   - `cucumber-expressions>=17.1.0`
   - `rstr>=3.2.2`
 
diff --git a/cucumber_expression_match.py b/cucumber_expression_match.py
index b141abe..1ffc42b 100644
--- a/cucumber_expression_match.py
+++ b/cucumber_expression_match.py
@@ -85,7 +85,7 @@ class CucumberExpressionMatch(Validator):
     ## Requirements
 
     * Dependencies:
-        - guardrails-ai>=0.4.5
+        - guardrails-ai>=0.5.0
         - cucumber-expressions>=17.1.0
         - rstr>=3.2.2
 
diff --git a/py.requirements.txt b/py.requirements.txt
index 62bb20b..9ddb63f 100644
--- a/py.requirements.txt
+++ b/py.requirements.txt
@@ -3,7 +3,7 @@
 # ============================================================================
 # MAYBE: vale -- https://vale.sh/docs/topics/config/
 
-guardrails-ai >= 0.4.5
+guardrails-ai >= 0.5.4
 cucumber-expressions
 rstr
 
diff --git a/tests/test_validator.py b/tests/test_validator.py
index a26e1d6..f15a412 100644
--- a/tests/test_validator.py
+++ b/tests/test_validator.py
@@ -1,15 +1,9 @@
 from cucumber_expression_match import CucumberExpressionMatch
 from cucumber_expression_match import ParameterType
 from guardrails import Guard, OnFailAction
-from guardrails.validator_base import (
-    PassResult,
-    FailResult,
-    ValidationResult
-)
-from guardrails.guard import (
-    ValidationOutcome,
-    ValidationError
-)
+from guardrails.errors import ValidationError
+from guardrails.guard import ValidationOutcome
+from guardrails.validator_base import PassResult, FailResult
 import pytest
 
 
@@ -88,6 +82,5 @@ def test_parse_on_failure(self, bad_text, reason):
         )
         with pytest.raises(ValidationError) as exc_info:
             _result = guard.parse(bad_text)
-
         expected = f"Validation failed for field with errors: Result must match: {self.EXPRESSION}"
         assert str(exc_info.value) == expected