diff --git a/restdocs-api-spec-openapi3-generator/src/main/kotlin/com/epages/restdocs/apispec/openapi3/SecuritySchemeGenerator.kt b/restdocs-api-spec-openapi3-generator/src/main/kotlin/com/epages/restdocs/apispec/openapi3/SecuritySchemeGenerator.kt
index aad23edd..eb72c184 100644
--- a/restdocs-api-spec-openapi3-generator/src/main/kotlin/com/epages/restdocs/apispec/openapi3/SecuritySchemeGenerator.kt
+++ b/restdocs-api-spec-openapi3-generator/src/main/kotlin/com/epages/restdocs/apispec/openapi3/SecuritySchemeGenerator.kt
@@ -53,7 +53,7 @@ internal object SecuritySchemeGenerator {
         if (hasAnyOperationWithSecurityName(this, BASIC_SECURITY_NAME)) {
             components.addSecuritySchemes(BASIC_SECURITY_NAME, SecurityScheme().apply {
                 type = SecurityScheme.Type.HTTP
-                scheme = "Basic"
+                scheme = "basic"
             })
         }