diff --git a/spring-cloud-contract-verifier/src/main/groovy/org/springframework/cloud/contract/verifier/builder/JsonBodyVerificationBuilder.java b/spring-cloud-contract-verifier/src/main/groovy/org/springframework/cloud/contract/verifier/builder/JsonBodyVerificationBuilder.java
index 98531e1d56..b36653b30a 100644
--- a/spring-cloud-contract-verifier/src/main/groovy/org/springframework/cloud/contract/verifier/builder/JsonBodyVerificationBuilder.java
+++ b/spring-cloud-contract-verifier/src/main/groovy/org/springframework/cloud/contract/verifier/builder/JsonBodyVerificationBuilder.java
@@ -16,6 +16,7 @@
 
 package org.springframework.cloud.contract.verifier.builder;
 
+import java.math.BigDecimal;
 import java.util.Map;
 import java.util.Optional;
 import java.util.function.Function;
@@ -178,7 +179,7 @@ class JsonBodyVerificationBuilder implements BodyMethodGeneration, ClassVerifier
 		else {
 			String comparisonMethod = bodyMatcher.matchingType() == MatchingType.EQUALITY
 					? "isEqualTo" : "matches";
-			String classToCastTo = retrievedValue.getClass().getSimpleName() + ".class";
+			String classToCastTo = className(retrievedValue) + ".class";
 			String method = "assertThat(parsedJson.read(" + path + ", " + classToCastTo
 					+ "))." + comparisonMethod + "(" + valueAsParam + ")";
 			bb.addLine(postProcessJsonPathCall.apply(method));
@@ -186,9 +187,20 @@ class JsonBodyVerificationBuilder implements BodyMethodGeneration, ClassVerifier
 		addColonIfRequired(lineSuffix, bb);
 	}
 
+	private String className(Object retrievedValue) {
+		return retrievedValue.getClass().getName().startsWith("java.lang") ?
+				retrievedValue.getClass().getSimpleName() : retrievedValue.getClass().getName();
+	}
+
 	private String objectToString(Object value) {
-		return value instanceof Long ? String.valueOf(value).concat("L")
-				: String.valueOf(value);
+		if (value instanceof Long) {
+			return String.valueOf(value).concat("L");
+		} else if (value instanceof Double) {
+			return String.valueOf(value).concat("D");
+		} else if (value instanceof BigDecimal) {
+			return quotedAndEscaped(value.toString());
+		}
+		return String.valueOf(value);
 	}
 
 	protected String processIfTemplateIsPresent(String method,
diff --git a/spring-cloud-contract-verifier/src/test/groovy/org/springframework/cloud/contract/verifier/builder/SpringTestMethodBodyBuildersSpec.groovy b/spring-cloud-contract-verifier/src/test/groovy/org/springframework/cloud/contract/verifier/builder/SpringTestMethodBodyBuildersSpec.groovy
index 9794a874e4..bc7057ef7e 100644
--- a/spring-cloud-contract-verifier/src/test/groovy/org/springframework/cloud/contract/verifier/builder/SpringTestMethodBodyBuildersSpec.groovy
+++ b/spring-cloud-contract-verifier/src/test/groovy/org/springframework/cloud/contract/verifier/builder/SpringTestMethodBodyBuildersSpec.groovy
@@ -32,7 +32,6 @@ import org.springframework.cloud.contract.verifier.config.TestMode
 import org.springframework.cloud.contract.verifier.dsl.wiremock.WireMockStubVerifier
 import org.springframework.cloud.contract.verifier.file.ContractMetadata
 import org.springframework.cloud.contract.verifier.util.SyntaxChecker
-
 /**
  * @author Jakub Kubrynski, codearte.io
  * @author Tim Ysewyn
@@ -2963,4 +2962,54 @@ DocumentContext parsedJson = JsonPath.parse(json);
 			}
 			"webclient"       | { properties.testMode = TestMode.WEBTESTCLIENT }
 	}
+
+	@Issue('#1139')
+	def 'should have a big decimal import for [#methodBuilderName]'() {
+		given:
+			Contract contractDsl = Contract.make {
+				request {
+					method 'POST'
+					url '/crystals/create'
+					headers {
+						header 'Content-Type' : 'application/json'
+					}
+					body(
+							amount: 200
+					)
+					bodyMatchers {
+						jsonPath('$.amount', byRegex('^[0-9]{1,3}$'))
+					}
+				}
+				response {
+					status 201
+					body(
+							amount: fromRequest().body('$.amount'),
+							price: 10100.0
+					)
+					bodyMatchers {
+						jsonPath('$.amount', byRegex('^\\d*$'))
+						jsonPath('$.price', byEquality())
+					}
+				}
+			}
+			methodBuilder()
+		when:
+			String test = singleTestGenerator(contractDsl)
+		then:
+			SyntaxChecker.tryToCompile(methodBuilderName, test)
+		then:
+			test.contains('''$.price", java.math.BigDecimal.class)).isEqualTo("10100.0")''')
+		where:
+			methodBuilderName | methodBuilder
+			"spock"           | { properties.testFramework = TestFramework.SPOCK }
+			"testng"          | { properties.testFramework = TestFramework.TESTNG }
+			"mockmvc"         | { properties.testMode = TestMode.MOCKMVC }
+			"jaxrs-spock"     | {
+				properties.testFramework = TestFramework.SPOCK; properties.testMode = TestMode.JAXRSCLIENT
+			}
+			"jaxrs"           | {
+				properties.testFramework = TestFramework.JUNIT; properties.testMode = TestMode.JAXRSCLIENT
+			}
+			"webclient"       | { properties.testMode = TestMode.WEBTESTCLIENT }
+	}
 }