diff --git a/.github/actions/install-dependencies/action.yml b/.github/actions/install-dependencies/action.yml
index 6a1cabf8..b3e4c76f 100644
--- a/.github/actions/install-dependencies/action.yml
+++ b/.github/actions/install-dependencies/action.yml
@@ -7,7 +7,7 @@ runs:
     - name: Set up Bun
       uses: oven-sh/setup-bun@v1
       with:
-        bun-version: 1.2.18
+        bun-version: 1.3.8
 
     - name: Set up foundry
       uses: foundry-rs/foundry-toolchain@v1
diff --git a/bun.lockb b/bun.lockb
index 822dfc00..9a5ab6ab 100755
Binary files a/bun.lockb and b/bun.lockb differ
diff --git a/packages/core/CHANGELOG.md b/packages/core/CHANGELOG.md
index cd3aa299..10c752e4 100644
--- a/packages/core/CHANGELOG.md
+++ b/packages/core/CHANGELOG.md
@@ -1,5 +1,11 @@
 # @zerodev/sdk
 
+## 5.5.8
+
+### Patch Changes
+
+- feat: use execute(uninstallValidation) calldata in uninstallPlugin instead of uninstallValidation() directly
+
 ## 5.5.7
 
 ### Patch Changes
diff --git a/packages/core/actions/account-client/uninstallPlugin.ts b/packages/core/actions/account-client/uninstallPlugin.ts
index 840766e8..9f22e1ca 100644
--- a/packages/core/actions/account-client/uninstallPlugin.ts
+++ b/packages/core/actions/account-client/uninstallPlugin.ts
@@ -12,6 +12,7 @@ import {
     parseAccount
 } from "viem/utils"
 import { KernelV3AccountAbi } from "../../accounts/kernel/abi/kernel_v_3_0_0/KernelAccountAbi.js"
+import { encodeCallData } from "../../accounts/kernel/utils/account/ep0_7/encodeCallData.js"
 import { VALIDATOR_TYPE } from "../../constants.js"
 import { AccountNotFoundError } from "../../errors/index.js"
 import type {
@@ -78,7 +79,7 @@ export async function uninstallPlugin<
         "sendUserOperation"
     )({
         ...restArgs,
-        calls: [
+        callData: await encodeCallData([
             {
                 to: account.address,
                 data: encodeFunctionData({
@@ -88,7 +89,7 @@ export async function uninstallPlugin<
                 }),
                 value: 0n
             }
-        ],
+        ]),
         account
     } as SendUserOperationParameters)
 }
diff --git a/packages/core/package.json b/packages/core/package.json
index d6d437c6..ff894d31 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@zerodev/sdk",
-    "version": "5.5.7",
+    "version": "5.5.8",
     "author": "ZeroDev",
     "main": "./_cjs/index.js",
     "module": "./_esm/index.js",