diff --git a/packages/mermaid/src/diagrams/requirement/requirementDb.ts b/packages/mermaid/src/diagrams/requirement/requirementDb.ts
index 6e296e279..76787fd8f 100644
--- a/packages/mermaid/src/diagrams/requirement/requirementDb.ts
+++ b/packages/mermaid/src/diagrams/requirement/requirementDb.ts
@@ -61,7 +61,7 @@ const setDirection = (dir: string) => {
 };
 
 const getInitialRequirement = (): Requirement => ({
-  requirement_id: '',
+  requirementId: '',
   text: '',
   risk: '' as RiskLevel,
   verifyMethod: '' as VerifyType,
@@ -101,7 +101,7 @@ const addRequirement = (name: string, type: RequirementType) => {
     requirements.set(name, {
       name,
       type,
-      requirement_id: latestRequirement.requirement_id,
+      requirementId: latestRequirement.requirementId,
       text: latestRequirement.text,
       risk: latestRequirement.risk,
       verifyMethod: latestRequirement.verifyMethod,
@@ -118,7 +118,7 @@ const getRequirements = () => requirements;
 
 const setNewReqId = (id: string) => {
   if (latestRequirement !== undefined) {
-    latestRequirement.requirement_id = id;
+    latestRequirement.requirementId = id;
   }
 };
 
diff --git a/packages/mermaid/src/diagrams/requirement/types.ts b/packages/mermaid/src/diagrams/requirement/types.ts
index 29622e890..6ea35c59c 100644
--- a/packages/mermaid/src/diagrams/requirement/types.ts
+++ b/packages/mermaid/src/diagrams/requirement/types.ts
@@ -13,7 +13,7 @@ export type VerifyType = 'Analysis' | 'Demonstration' | 'Inspection' | 'Test';
 export interface Requirement {
   name: string;
   type: RequirementType;
-  requirement_id: string;
+  requirementId: string;
   text: string;
   risk: RiskLevel;
   verifyMethod: VerifyType;
diff --git a/packages/mermaid/src/rendering-util/rendering-elements/shapes/requirementBox.ts b/packages/mermaid/src/rendering-util/rendering-elements/shapes/requirementBox.ts
index de1f9568b..71e5e8f30 100644
--- a/packages/mermaid/src/rendering-util/rendering-elements/shapes/requirementBox.ts
+++ b/packages/mermaid/src/rendering-util/rendering-elements/shapes/requirementBox.ts
@@ -55,7 +55,7 @@ export async function requirementBox<T extends SVGGraphicsElement>(
   if (isRequirementNode) {
     const idHeight = await addText(
       shapeSvg,
-      `${requirementNode.requirement_id ? `Id: ${requirementNode.requirement_id}` : ''}`,
+      `${requirementNode.requirementId ? `Id: ${requirementNode.requirementId}` : ''}`,
       accumulativeHeight,
       node.labelStyle
     );