diff --git a/packages/parser/src/envelopes/envelope.ts b/packages/parser/src/envelopes/envelope.ts
index df802b65af..85cdef225f 100644
--- a/packages/parser/src/envelopes/envelope.ts
+++ b/packages/parser/src/envelopes/envelope.ts
@@ -35,7 +35,7 @@ const Envelope = {
    * @param input
    * @param schema
    */
-  safeParse<T extends ZodSchema>(input: unknown, schema: T): ParsedResult {
+  safeParse<T extends ZodSchema>(input: unknown, schema: T): ParsedResult<unknown, z.infer<T>> {
     try {
       if (typeof input !== 'object' && typeof input !== 'string') {
         return {
diff --git a/packages/parser/src/envelopes/event-bridge.ts b/packages/parser/src/envelopes/event-bridge.ts
index 84f87f10db..20eae70827 100644
--- a/packages/parser/src/envelopes/event-bridge.ts
+++ b/packages/parser/src/envelopes/event-bridge.ts
@@ -17,7 +17,7 @@ export const EventBridgeEnvelope = {
     return Envelope.parse(EventBridgeSchema.parse(data).detail, schema);
   },
 
-  safeParse<T extends ZodSchema>(data: unknown, schema: T): ParsedResult {
+  safeParse<T extends ZodSchema>(data: unknown, schema: T): ParsedResult<unknown, z.infer<T>> {
     const parsedEnvelope = EventBridgeSchema.safeParse(data);
 
     if (!parsedEnvelope.success) {
diff --git a/packages/parser/src/envelopes/lambda.ts b/packages/parser/src/envelopes/lambda.ts
index ddee609064..91d609646f 100644
--- a/packages/parser/src/envelopes/lambda.ts
+++ b/packages/parser/src/envelopes/lambda.ts
@@ -23,7 +23,7 @@ export const LambdaFunctionUrlEnvelope = {
     return Envelope.parse(parsedEnvelope.body, schema);
   },
 
-  safeParse<T extends ZodSchema>(data: unknown, schema: T): ParsedResult {
+  safeParse<T extends ZodSchema>(data: unknown, schema: T): ParsedResult<unknown, z.infer<T>> {
     const parsedEnvelope = LambdaFunctionUrlSchema.safeParse(data);
 
     if (!parsedEnvelope.success) {
diff --git a/packages/parser/src/envelopes/vpc-lattice.ts b/packages/parser/src/envelopes/vpc-lattice.ts
index c4665dca73..64d031c668 100644
--- a/packages/parser/src/envelopes/vpc-lattice.ts
+++ b/packages/parser/src/envelopes/vpc-lattice.ts
@@ -20,7 +20,7 @@ export const VpcLatticeEnvelope = {
     return Envelope.parse(parsedEnvelope.body, schema);
   },
 
-  safeParse<T extends ZodSchema>(data: unknown, schema: T): ParsedResult {
+  safeParse<T extends ZodSchema>(data: unknown, schema: T): ParsedResult<unknown, z.infer<T>> {
     const parsedEnvelope = VpcLatticeSchema.safeParse(data);
     if (!parsedEnvelope.success) {
       return {
diff --git a/packages/parser/src/envelopes/vpc-latticev2.ts b/packages/parser/src/envelopes/vpc-latticev2.ts
index caeedf650a..8a40f0f927 100644
--- a/packages/parser/src/envelopes/vpc-latticev2.ts
+++ b/packages/parser/src/envelopes/vpc-latticev2.ts
@@ -19,7 +19,7 @@ export const VpcLatticeV2Envelope = {
     return Envelope.parse(parsedEnvelope.body, schema);
   },
 
-  safeParse<T extends ZodSchema>(data: unknown, schema: T): ParsedResult {
+  safeParse<T extends ZodSchema>(data: unknown, schema: T): ParsedResult<unknown, z.infer<T>> {
     const parsedEnvelope = VpcLatticeV2Schema.safeParse(data);
     if (!parsedEnvelope.success) {
       return {