diff --git a/spring-cloud-contract-spec/src/test/groovy/org/springframework/cloud/contract/spec/internal/ContractSpec.groovy b/spring-cloud-contract-spec/src/test/groovy/org/springframework/cloud/contract/spec/internal/ContractSpec.groovy
index a099606352..cacdc94ba0 100644
--- a/spring-cloud-contract-spec/src/test/groovy/org/springframework/cloud/contract/spec/internal/ContractSpec.groovy
+++ b/spring-cloud-contract-spec/src/test/groovy/org/springframework/cloud/contract/spec/internal/ContractSpec.groovy
@@ -108,7 +108,7 @@ class ContractSpec extends Specification {
 				property = value(consumer(regex("[0-9]{5}")))
 			}
 		then:
-			(property.serverValue as String).matches('[0-9]{5}')
+			(property.serverValue as String).matches(/[0-9]{5}/)
 	}
 
 	def 'should set a description'() {
diff --git a/spring-cloud-contract-spec/src/test/groovy/org/springframework/cloud/contract/spec/internal/InputSpec.groovy b/spring-cloud-contract-spec/src/test/groovy/org/springframework/cloud/contract/spec/internal/InputSpec.groovy
index 7ad76dcdfa..5c93855d1a 100644
--- a/spring-cloud-contract-spec/src/test/groovy/org/springframework/cloud/contract/spec/internal/InputSpec.groovy
+++ b/spring-cloud-contract-spec/src/test/groovy/org/springframework/cloud/contract/spec/internal/InputSpec.groovy
@@ -15,6 +15,6 @@ class InputSpec extends Specification {
 				property = $(consumer(regex("[0-9]{5}")))
 			}
 		then:
-			(property.serverValue as String).matches('[0-9]{5}')
+			(property.serverValue as String).matches(/[0-9]{5}/)
 	}
 }
diff --git a/spring-cloud-contract-spec/src/test/groovy/org/springframework/cloud/contract/spec/internal/OutputMessageSpec.groovy b/spring-cloud-contract-spec/src/test/groovy/org/springframework/cloud/contract/spec/internal/OutputMessageSpec.groovy
index cc243fb6ae..2a1da4d1ac 100644
--- a/spring-cloud-contract-spec/src/test/groovy/org/springframework/cloud/contract/spec/internal/OutputMessageSpec.groovy
+++ b/spring-cloud-contract-spec/src/test/groovy/org/springframework/cloud/contract/spec/internal/OutputMessageSpec.groovy
@@ -15,6 +15,6 @@ class OutputMessageSpec extends Specification {
 				property = $(consumer(regex("[0-9]{5}")))
 			}
 		then:
-			(property.serverValue as String).matches('[0-9]{5}')
+			(property.serverValue as String).matches(/[0-9]{5}/)
 	}
 }
diff --git a/spring-cloud-contract-spec/src/test/groovy/org/springframework/cloud/contract/spec/internal/RequestSpec.groovy b/spring-cloud-contract-spec/src/test/groovy/org/springframework/cloud/contract/spec/internal/RequestSpec.groovy
index 8d9c8e90ca..caf7522f62 100644
--- a/spring-cloud-contract-spec/src/test/groovy/org/springframework/cloud/contract/spec/internal/RequestSpec.groovy
+++ b/spring-cloud-contract-spec/src/test/groovy/org/springframework/cloud/contract/spec/internal/RequestSpec.groovy
@@ -32,6 +32,6 @@ class RequestSpec extends Specification {
 				property = value(consumer(regex("[0-9]{5}")))
 			}
 		then:
-			(property.serverValue as String).matches('[0-9]{5}')
+			(property.serverValue as String).matches(/[0-9]{5}/)
 	}
 }
diff --git a/spring-cloud-contract-spec/src/test/groovy/org/springframework/cloud/contract/spec/internal/ResponseSpec.groovy b/spring-cloud-contract-spec/src/test/groovy/org/springframework/cloud/contract/spec/internal/ResponseSpec.groovy
index 19111a23ed..1d19458c4e 100644
--- a/spring-cloud-contract-spec/src/test/groovy/org/springframework/cloud/contract/spec/internal/ResponseSpec.groovy
+++ b/spring-cloud-contract-spec/src/test/groovy/org/springframework/cloud/contract/spec/internal/ResponseSpec.groovy
@@ -35,7 +35,7 @@ class ResponseSpec extends Specification {
 				property = value(producer(regex("[0-9]{5}")))
 			}
 		then:
-			(property.clientValue as String).matches('[0-9]{5}')
+			(property.clientValue as String).matches(/[0-9]{5}/)
 			(property.serverValue as Pattern).pattern() == '[0-9]{5}'
 	}
 }