diff --git a/docs/pages/cli/abi-ts.mdx b/docs/pages/cli/abi-ts.mdx
index 4f6781301c..913493b436 100644
--- a/docs/pages/cli/abi-ts.mdx
+++ b/docs/pages/cli/abi-ts.mdx
@@ -79,7 +79,7 @@ This command converts [JSON files](https://www.json.org/json-en.html) that conta
 1. See the new file.
 
    ```sh copy
-   less greeting.abi.json.d.ts
+   less greeting.abi.d.json.ts
    ```
 
 ## Debugging
diff --git a/packages/abi-ts/README.md b/packages/abi-ts/README.md
index 6a081f1059..2ba87ff935 100644
--- a/packages/abi-ts/README.md
+++ b/packages/abi-ts/README.md
@@ -1,6 +1,6 @@
 # abi-ts
 
-Create TypeScript type declaration files (`.d.ts`) for your ABI JSON files.
+Create TypeScript type declaration files (`.d.json.ts`) for your ABI JSON files.
 
 This allows you to import your JSON ABI and use it directly with libraries like [viem](https://npmjs.com/package/viem) and [abitype](https://npmjs.com/package/abitype).
 
diff --git a/packages/abi-ts/src/index.ts b/packages/abi-ts/src/index.ts
index 7c859443d0..98c91317d9 100644
--- a/packages/abi-ts/src/index.ts
+++ b/packages/abi-ts/src/index.ts
@@ -39,7 +39,7 @@ const commandModule: CommandModule<Options, Options> = {
       }
 
       const ts = `declare const abi: ${json}; export default abi;\n`;
-      const tsFilename = `${jsonFilename}.d.ts`;
+      const tsFilename = jsonFilename.replace(".json", ".d.json.ts");
 
       debug("Writing", tsFilename);
       writeFileSync(tsFilename, ts);
diff --git a/packages/common/tsconfig.base.json b/packages/common/tsconfig.base.json
index 1c1554782e..146774690a 100644
--- a/packages/common/tsconfig.base.json
+++ b/packages/common/tsconfig.base.json
@@ -17,6 +17,7 @@
     "esModuleInterop": true,
     "noErrorTruncation": true,
     "resolveJsonModule": true,
+    "allowArbitraryExtensions": true,
     "forceConsistentCasingInFileNames": true,
     "sourceMap": true
   }
diff --git a/packages/world/tsconfig.json b/packages/world/tsconfig.json
index 146ec2d52b..ea73d4c40f 100644
--- a/packages/world/tsconfig.json
+++ b/packages/world/tsconfig.json
@@ -1,9 +1,6 @@
 {
   "extends": "../../tsconfig.json",
   "compilerOptions": {
-    // needed to ensure tests like those in packages/world/ts/encodeSystemCall.test.ts
-    // resolve narrowed types from .d.ts as opposed to widened ones from abi.json
-    "resolveJsonModule": false,
     "lib": ["ESNext", "DOM"],
     "outDir": "dist"
   },