diff --git a/scripts/getContractMeta.ts b/scripts/getContractMeta.ts
index 961d5cff1..2bc31599d 100755
--- a/scripts/getContractMeta.ts
+++ b/scripts/getContractMeta.ts
@@ -5,7 +5,7 @@ import * as fs from "fs";
 import * as path from "path";
 import { format } from "prettier";
 import { argv } from "process";
-import { deflateSync } from "zlib";
+import { deflateRawSync } from "zlib";
 import ContractMetaSchema from "../schema/meta/v0/contract.meta.schema.json";
 
 const readFile = (_path: string) => {
@@ -125,7 +125,7 @@ const main = async () => {
 
       let contractMetaHexString = "0x";
       const opmetaBytes = Uint8Array.from(
-        deflateSync(
+        deflateRawSync(
           format(JSON.stringify(contractMeta, null, 4), { parser: "json" })
         )
       );
@@ -136,7 +136,9 @@ const main = async () => {
 
       let schemaHexString = "0x";
       const schemaBytes = Uint8Array.from(
-        deflateSync(format(JSON.stringify(schema, null, 4), { parser: "json" }))
+        deflateRawSync(
+          format(JSON.stringify(schema, null, 4), { parser: "json" })
+        )
       );
       for (let i = 0; i < schemaBytes.length; i++) {
         schemaHexString =
diff --git a/scripts/getOpmeta.ts b/scripts/getOpmeta.ts
index 6e287e07d..068cfecd6 100755
--- a/scripts/getOpmeta.ts
+++ b/scripts/getOpmeta.ts
@@ -5,7 +5,7 @@ import * as fs from "fs";
 import * as path from "path";
 import { format } from "prettier";
 import { argv } from "process";
-import { deflateSync } from "zlib";
+import { deflateRawSync } from "zlib";
 import OpmetaSchema from "../schema/meta/v0/op.meta.schema.json";
 
 const readFile = (_path: string) => {
@@ -126,7 +126,7 @@ const main = async () => {
 
       let opmetaHexString = "0x";
       const opmetaBytes = Uint8Array.from(
-        deflateSync(
+        deflateRawSync(
           format(JSON.stringify(opmetas, null, 4), { parser: "json" })
         )
       );
@@ -137,7 +137,9 @@ const main = async () => {
 
       let schemaHexString = "0x";
       const schemaBytes = Uint8Array.from(
-        deflateSync(format(JSON.stringify(schema, null, 4), { parser: "json" }))
+        deflateRawSync(
+          format(JSON.stringify(schema, null, 4), { parser: "json" })
+        )
       );
       for (let i = 0; i < schemaBytes.length; i++) {
         schemaHexString =
diff --git a/scripts/getRainContractMeta.ts b/scripts/getRainContractMeta.ts
index 001dfc38f..9f9fd7052 100755
--- a/scripts/getRainContractMeta.ts
+++ b/scripts/getRainContractMeta.ts
@@ -4,7 +4,7 @@ import * as fs from "fs";
 import * as path from "path";
 import { format } from "prettier";
 import { argv } from "process";
-import { deflateSync } from "zlib";
+import { deflateRawSync } from "zlib";
 import ContractMetaSchema from "../schema/meta/v0/contract.meta.schema.json";
 import FlowERC20 from "../contracts/flow/erc20/FlowERC20.meta.json";
 import FlowERC721 from "../contracts/flow/erc721/FlowERC721.meta.json";
@@ -109,7 +109,7 @@ const main = async () => {
 
       let contractMetaHexString = "0x";
       const opmetaBytes = Uint8Array.from(
-        deflateSync(
+        deflateRawSync(
           format(JSON.stringify(contractMeta, null, 4), { parser: "json" })
         )
       );
@@ -120,7 +120,9 @@ const main = async () => {
 
       let schemaHexString = "0x";
       const schemaBytes = Uint8Array.from(
-        deflateSync(format(JSON.stringify(schema, null, 4), { parser: "json" }))
+        deflateRawSync(
+          format(JSON.stringify(schema, null, 4), { parser: "json" })
+        )
       );
       for (let i = 0; i < schemaBytes.length; i++) {
         schemaHexString =
diff --git a/scripts/getRainterpreterOpmeta.ts b/scripts/getRainterpreterOpmeta.ts
index 417fd3349..600f76e88 100755
--- a/scripts/getRainterpreterOpmeta.ts
+++ b/scripts/getRainterpreterOpmeta.ts
@@ -3,7 +3,7 @@
 import * as fs from "fs";
 import * as path from "path";
 import { argv } from "process";
-import { deflateSync } from "zlib";
+import { deflateRawSync } from "zlib";
 import { format } from "prettier";
 import OpmetaSchema from "../schema/meta/v0/op.meta.schema.json";
 import { rainterpreterOpmeta } from "../utils/meta/op/allStandardOpMeta";
@@ -38,7 +38,7 @@ const main = async () => {
   } else {
     let opmetaHexString = "0x";
     const opmetaBytes = Uint8Array.from(
-      deflateSync(
+      deflateRawSync(
         format(JSON.stringify(rainterpreterOpmeta, null, 4), { parser: "json" })
       )
     );
@@ -49,7 +49,7 @@ const main = async () => {
 
     let schemaHexString = "0x";
     const schemaBytes = Uint8Array.from(
-      deflateSync(
+      deflateRawSync(
         format(JSON.stringify(OpmetaSchema, null, 4), { parser: "json" })
       )
     );
diff --git a/utils/meta/general.ts b/utils/meta/general.ts
index fb4f419d3..33a15d3e9 100644
--- a/utils/meta/general.ts
+++ b/utils/meta/general.ts
@@ -3,7 +3,7 @@ import fs from "fs";
 import { resolve } from "path";
 import { format } from "prettier";
 import stringMath from "string-math";
-import { deflateSync, inflateSync } from "zlib";
+import { deflateRawSync, inflateRawSync } from "zlib";
 import { arrayify, BytesLike, isBytesLike } from "ethers/lib/utils";
 
 /**
@@ -321,7 +321,7 @@ export const metaFromBytes = (
 export const deflateJson = (data_: any): string => {
   const content = format(JSON.stringify(data_, null, 4), { parser: "json" });
 
-  return "0x" + deflateSync(content).toString("hex");
+  return "0x" + deflateRawSync(content).toString("hex");
 };
 
 /**
@@ -334,5 +334,5 @@ export const deflateJson = (data_: any): string => {
 export const inflateJson = (bytes: BytesLike): string => {
   if (!isBytesLike(bytes)) throw new Error("invalid bytes");
   const _uint8Arr = arrayify(bytes, { allowMissingPrefix: true });
-  return format(inflateSync(_uint8Arr).toString(), { parser: "json" });
+  return format(inflateRawSync(_uint8Arr).toString(), { parser: "json" });
 };
diff --git a/utils/meta/op/allStandardOpMeta.ts b/utils/meta/op/allStandardOpMeta.ts
index 4b60b7796..a34481b5e 100644
--- a/utils/meta/op/allStandardOpMeta.ts
+++ b/utils/meta/op/allStandardOpMeta.ts
@@ -1,6 +1,6 @@
 import OpMetaSchema from "../../../schema/meta/v0/op.meta.schema.json";
 import path from "path";
-import { deflateSync } from "zlib";
+import { deflateRawSync } from "zlib";
 import fs from "fs";
 import { resolve } from "path";
 import { format } from "prettier";
@@ -83,7 +83,7 @@ export const getRainterpreterOpMetaBytes = (): string => {
   if (!validateMeta(rainterpreterOpmeta, OpMetaSchema))
     throw new Error("invalid op meta");
   const opmetaBytes = Uint8Array.from(
-    deflateSync(
+    deflateRawSync(
       format(JSON.stringify(rainterpreterOpmeta, null, 4), { parser: "json" })
     )
   );