diff --git a/.changeset/long-toes-deny.md b/.changeset/long-toes-deny.md
new file mode 100644
index 0000000000..448c503e67
--- /dev/null
+++ b/.changeset/long-toes-deny.md
@@ -0,0 +1,5 @@
+---
+"hardhat": patch
+---
+
+Use default value for rpcCachePath when running solidity tests
diff --git a/v-next/hardhat/src/internal/builtin-plugins/solidity-test/config.ts b/v-next/hardhat/src/internal/builtin-plugins/solidity-test/config.ts
index 718006067d..e714269d5b 100644
--- a/v-next/hardhat/src/internal/builtin-plugins/solidity-test/config.ts
+++ b/v-next/hardhat/src/internal/builtin-plugins/solidity-test/config.ts
@@ -2,6 +2,8 @@ import type { HardhatUserConfig } from "../../../config.js";
 import type { HardhatConfig } from "../../../types/config.js";
 import type { HardhatUserConfigValidationError } from "../../../types/hooks.js";
 
+import path from "node:path";
+
 import { isObject } from "@nomicfoundation/hardhat-utils/lang";
 import { resolveFromRoot } from "@nomicfoundation/hardhat-utils/path";
 import {
@@ -121,6 +123,16 @@ export async function resolveSolidityTestUserConfig(
   testsPath = typeof testsPath === "object" ? testsPath.solidity : testsPath;
   testsPath ??= "test";
 
+  const defaultRpcCachePath = path.join(
+    resolvedConfig.paths.cache,
+    "edr-cache",
+  );
+
+  const solidityTest = {
+    rpcCachePath: defaultRpcCachePath,
+    ...userConfig.solidityTest,
+  };
+
   return {
     ...resolvedConfig,
     paths: {
@@ -130,6 +142,6 @@ export async function resolveSolidityTestUserConfig(
         solidity: resolveFromRoot(resolvedConfig.paths.root, testsPath),
       },
     },
-    solidityTest: userConfig.solidityTest ?? {},
+    solidityTest,
   };
 }