diff --git a/modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/RubyClientCodegen.java b/modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/RubyClientCodegen.java
index c3c78710682..e7260d525d1 100644
--- a/modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/RubyClientCodegen.java
+++ b/modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/RubyClientCodegen.java
@@ -55,6 +55,7 @@ public class RubyClientCodegen extends DefaultCodegen implements CodegenConfig {
         typeMapping.put("float", "Float");
         typeMapping.put("double", "Float");
         typeMapping.put("number", "Float");
+        typeMapping.put("date", "DateTime");
         typeMapping.put("DateTime", "DateTime");
         typeMapping.put("boolean", "BOOLEAN");
         typeMapping.put("array", "Array");