diff --git a/build/continuous-deploy-fingerprint-info/index.js b/build/continuous-deploy-fingerprint-info/index.js
index 8c5128812..18195a15f 100644
--- a/build/continuous-deploy-fingerprint-info/index.js
+++ b/build/continuous-deploy-fingerprint-info/index.js
@@ -28199,6 +28199,7 @@ const core_1 = __nccwpck_require__(7484);
 const exec_1 = __nccwpck_require__(5236);
 const io_1 = __nccwpck_require__(4994);
 const expo_1 = __nccwpck_require__(4503);
+const packageRunner_1 = __nccwpck_require__(7253);
 async function getBuildInfoForCurrentFingerprintAsync({ platform, workingDirectory, environment, profile, isInPullRequest, }) {
     const humanReadablePlatformName = platform === 'ios' ? 'iOS' : 'Android';
     const fingerprintHash = await getFingerprintHashForPlatformAsync({
@@ -28234,11 +28235,12 @@ async function getFingerprintHashForPlatformAsync({ cwd, platform, environment,
         let args;
         if (environment) {
             commandLine = await (0, io_1.which)('eas', true);
-            const commandToExecute = ['npx', ...baseArguments].join(' ').replace(/"/g, '\\"');
+            const runner = await (0, packageRunner_1.resolvePackageRunner)();
+            const commandToExecute = [runner, ...baseArguments].join(' ').replace(/"/g, '\\"');
             args = ['env:exec', '--non-interactive', environment, `"${commandToExecute}"`];
         }
         else {
-            commandLine = 'npx';
+            commandLine = await (0, packageRunner_1.resolvePackageRunner)();
             args = baseArguments;
         }
         const { stdout } = await (0, exec_1.getExecOutput)(commandLine, args, {
@@ -28264,7 +28266,7 @@ async function getBuildInfoWithFingerprintAsync({ cwd, platform, profile, finger
             platform,
             '--buildProfile',
             profile,
-            '--runtimeVersion',
+            '--fingerprint-hash',
             fingerprintHash,
             '--limit',
             '1',
@@ -28321,6 +28323,31 @@ function getInput(name, options) {
 }
 
 
+/***/ }),
+
+/***/ 7253:
+/***/ ((__unused_webpack_module, exports, __nccwpck_require__) => {
+
+"use strict";
+
+Object.defineProperty(exports, "__esModule", ({ value: true }));
+exports.resolvePackageRunner = resolvePackageRunner;
+const io_1 = __nccwpck_require__(4994);
+/**
+ * Resolve the package runner to use for executing expo commands.
+ * Prefers `bunx` if available (works better with bun-managed projects),
+ * falls back to `npx`.
+ */
+async function resolvePackageRunner() {
+    try {
+        return await (0, io_1.which)('bunx', true);
+    }
+    catch {
+        return 'npx';
+    }
+}
+
+
 /***/ }),
 
 /***/ 4330:
@@ -28333,6 +28360,7 @@ exports.loadProjectConfig = loadProjectConfig;
 const core_1 = __nccwpck_require__(7484);
 const exec_1 = __nccwpck_require__(5236);
 const io_1 = __nccwpck_require__(4994);
+const packageRunner_1 = __nccwpck_require__(7253);
 /**
  * Load the Expo app project config in the given directory.
  * This runs `expo config` command instead of using `@expo/config` directly,
@@ -28345,11 +28373,12 @@ async function loadProjectConfig(cwd, easEnvironment) {
     let args;
     if (easEnvironment) {
         commandLine = await (0, io_1.which)('eas', true);
-        const commandToExecute = ['npx', ...baseArguments].join(' ').replace(/"/g, '\\"');
+        const runner = await (0, packageRunner_1.resolvePackageRunner)();
+        const commandToExecute = [runner, ...baseArguments].join(' ').replace(/"/g, '\\"');
         args = ['env:exec', '--non-interactive', easEnvironment, `"${commandToExecute}"`];
     }
     else {
-        commandLine = 'npx';
+        commandLine = await (0, packageRunner_1.resolvePackageRunner)();
         args = baseArguments;
     }
     try {
diff --git a/build/continuous-deploy-fingerprint/index.js b/build/continuous-deploy-fingerprint/index.js
index 4d713c2c1..794894bc7 100644
--- a/build/continuous-deploy-fingerprint/index.js
+++ b/build/continuous-deploy-fingerprint/index.js
@@ -35160,6 +35160,7 @@ const core_1 = __nccwpck_require__(7484);
 const exec_1 = __nccwpck_require__(5236);
 const io_1 = __nccwpck_require__(4994);
 const expo_1 = __nccwpck_require__(4503);
+const packageRunner_1 = __nccwpck_require__(7253);
 async function getBuildInfoForCurrentFingerprintAsync({ platform, workingDirectory, environment, profile, isInPullRequest, }) {
     const humanReadablePlatformName = platform === 'ios' ? 'iOS' : 'Android';
     const fingerprintHash = await getFingerprintHashForPlatformAsync({
@@ -35195,11 +35196,12 @@ async function getFingerprintHashForPlatformAsync({ cwd, platform, environment,
         let args;
         if (environment) {
             commandLine = await (0, io_1.which)('eas', true);
-            const commandToExecute = ['npx', ...baseArguments].join(' ').replace(/"/g, '\\"');
+            const runner = await (0, packageRunner_1.resolvePackageRunner)();
+            const commandToExecute = [runner, ...baseArguments].join(' ').replace(/"/g, '\\"');
             args = ['env:exec', '--non-interactive', environment, `"${commandToExecute}"`];
         }
         else {
-            commandLine = 'npx';
+            commandLine = await (0, packageRunner_1.resolvePackageRunner)();
             args = baseArguments;
         }
         const { stdout } = await (0, exec_1.getExecOutput)(commandLine, args, {
@@ -35225,7 +35227,7 @@ async function getBuildInfoWithFingerprintAsync({ cwd, platform, profile, finger
             platform,
             '--buildProfile',
             profile,
-            '--runtimeVersion',
+            '--fingerprint-hash',
             fingerprintHash,
             '--limit',
             '1',
@@ -35447,6 +35449,31 @@ function getInput(name, options) {
 }
 
 
+/***/ }),
+
+/***/ 7253:
+/***/ ((__unused_webpack_module, exports, __nccwpck_require__) => {
+
+"use strict";
+
+Object.defineProperty(exports, "__esModule", ({ value: true }));
+exports.resolvePackageRunner = resolvePackageRunner;
+const io_1 = __nccwpck_require__(4994);
+/**
+ * Resolve the package runner to use for executing expo commands.
+ * Prefers `bunx` if available (works better with bun-managed projects),
+ * falls back to `npx`.
+ */
+async function resolvePackageRunner() {
+    try {
+        return await (0, io_1.which)('bunx', true);
+    }
+    catch {
+        return 'npx';
+    }
+}
+
+
 /***/ }),
 
 /***/ 4330:
@@ -35459,6 +35486,7 @@ exports.loadProjectConfig = loadProjectConfig;
 const core_1 = __nccwpck_require__(7484);
 const exec_1 = __nccwpck_require__(5236);
 const io_1 = __nccwpck_require__(4994);
+const packageRunner_1 = __nccwpck_require__(7253);
 /**
  * Load the Expo app project config in the given directory.
  * This runs `expo config` command instead of using `@expo/config` directly,
@@ -35471,11 +35499,12 @@ async function loadProjectConfig(cwd, easEnvironment) {
     let args;
     if (easEnvironment) {
         commandLine = await (0, io_1.which)('eas', true);
-        const commandToExecute = ['npx', ...baseArguments].join(' ').replace(/"/g, '\\"');
+        const runner = await (0, packageRunner_1.resolvePackageRunner)();
+        const commandToExecute = [runner, ...baseArguments].join(' ').replace(/"/g, '\\"');
         args = ['env:exec', '--non-interactive', easEnvironment, `"${commandToExecute}"`];
     }
     else {
-        commandLine = 'npx';
+        commandLine = await (0, packageRunner_1.resolvePackageRunner)();
         args = baseArguments;
     }
     try {
diff --git a/build/preview-build/index.js b/build/preview-build/index.js
index c9a089e3c..ca6953039 100644
--- a/build/preview-build/index.js
+++ b/build/preview-build/index.js
@@ -99069,6 +99069,31 @@ async function getPullRequestFromGitCommitShaAsync(options, gitCommitHash) {
 }
 
 
+/***/ }),
+
+/***/ 7253:
+/***/ ((__unused_webpack_module, exports, __nccwpck_require__) => {
+
+"use strict";
+
+Object.defineProperty(exports, "__esModule", ({ value: true }));
+exports.resolvePackageRunner = resolvePackageRunner;
+const io_1 = __nccwpck_require__(4994);
+/**
+ * Resolve the package runner to use for executing expo commands.
+ * Prefers `bunx` if available (works better with bun-managed projects),
+ * falls back to `npx`.
+ */
+async function resolvePackageRunner() {
+    try {
+        return await (0, io_1.which)('bunx', true);
+    }
+    catch {
+        return 'npx';
+    }
+}
+
+
 /***/ }),
 
 /***/ 3497:
@@ -99133,6 +99158,7 @@ exports.loadProjectConfig = loadProjectConfig;
 const core_1 = __nccwpck_require__(7484);
 const exec_1 = __nccwpck_require__(5236);
 const io_1 = __nccwpck_require__(4994);
+const packageRunner_1 = __nccwpck_require__(7253);
 /**
  * Load the Expo app project config in the given directory.
  * This runs `expo config` command instead of using `@expo/config` directly,
@@ -99145,11 +99171,12 @@ async function loadProjectConfig(cwd, easEnvironment) {
     let args;
     if (easEnvironment) {
         commandLine = await (0, io_1.which)('eas', true);
-        const commandToExecute = ['npx', ...baseArguments].join(' ').replace(/"/g, '\\"');
+        const runner = await (0, packageRunner_1.resolvePackageRunner)();
+        const commandToExecute = [runner, ...baseArguments].join(' ').replace(/"/g, '\\"');
         args = ['env:exec', '--non-interactive', easEnvironment, `"${commandToExecute}"`];
     }
     else {
-        commandLine = 'npx';
+        commandLine = await (0, packageRunner_1.resolvePackageRunner)();
         args = baseArguments;
     }
     try {
diff --git a/build/preview/index.js b/build/preview/index.js
index e1a36eb41..fcd449c94 100644
--- a/build/preview/index.js
+++ b/build/preview/index.js
@@ -35523,6 +35523,31 @@ async function getPullRequestFromGitCommitShaAsync(options, gitCommitHash) {
 }
 
 
+/***/ }),
+
+/***/ 7253:
+/***/ ((__unused_webpack_module, exports, __nccwpck_require__) => {
+
+"use strict";
+
+Object.defineProperty(exports, "__esModule", ({ value: true }));
+exports.resolvePackageRunner = resolvePackageRunner;
+const io_1 = __nccwpck_require__(4994);
+/**
+ * Resolve the package runner to use for executing expo commands.
+ * Prefers `bunx` if available (works better with bun-managed projects),
+ * falls back to `npx`.
+ */
+async function resolvePackageRunner() {
+    try {
+        return await (0, io_1.which)('bunx', true);
+    }
+    catch {
+        return 'npx';
+    }
+}
+
+
 /***/ }),
 
 /***/ 4330:
@@ -35535,6 +35560,7 @@ exports.loadProjectConfig = loadProjectConfig;
 const core_1 = __nccwpck_require__(7484);
 const exec_1 = __nccwpck_require__(5236);
 const io_1 = __nccwpck_require__(4994);
+const packageRunner_1 = __nccwpck_require__(7253);
 /**
  * Load the Expo app project config in the given directory.
  * This runs `expo config` command instead of using `@expo/config` directly,
@@ -35547,11 +35573,12 @@ async function loadProjectConfig(cwd, easEnvironment) {
     let args;
     if (easEnvironment) {
         commandLine = await (0, io_1.which)('eas', true);
-        const commandToExecute = ['npx', ...baseArguments].join(' ').replace(/"/g, '\\"');
+        const runner = await (0, packageRunner_1.resolvePackageRunner)();
+        const commandToExecute = [runner, ...baseArguments].join(' ').replace(/"/g, '\\"');
         args = ['env:exec', '--non-interactive', easEnvironment, `"${commandToExecute}"`];
     }
     else {
-        commandLine = 'npx';
+        commandLine = await (0, packageRunner_1.resolvePackageRunner)();
         args = baseArguments;
     }
     try {
diff --git a/bun.lock b/bun.lock
index 33e237562..f822282ce 100644
--- a/bun.lock
+++ b/bun.lock
@@ -1,5 +1,6 @@
 {
   "lockfileVersion": 1,
+  "configVersion": 0,
   "workspaces": {
     "": {
       "name": "expo-github-action",
diff --git a/src/fingerprintUtils.ts b/src/fingerprintUtils.ts
index 23ea009de..2fd2efb73 100644
--- a/src/fingerprintUtils.ts
+++ b/src/fingerprintUtils.ts
@@ -3,6 +3,7 @@ import { getExecOutput } from '@actions/exec';
 import { which } from '@actions/io';
 
 import { BuildInfo, BuildStatus } from './expo';
+import { resolvePackageRunner } from './packageRunner';
 
 export async function getBuildInfoForCurrentFingerprintAsync({
   platform,
@@ -68,10 +69,11 @@ async function getFingerprintHashForPlatformAsync({
     let args: string[];
     if (environment) {
       commandLine = await which('eas', true);
-      const commandToExecute = ['npx', ...baseArguments].join(' ').replace(/"/g, '\\"');
+      const runner = await resolvePackageRunner();
+      const commandToExecute = [runner, ...baseArguments].join(' ').replace(/"/g, '\\"');
       args = ['env:exec', '--non-interactive', environment, `"${commandToExecute}"`];
     } else {
-      commandLine = 'npx';
+      commandLine = await resolvePackageRunner();
       args = baseArguments;
     }
 
@@ -112,7 +114,7 @@ export async function getBuildInfoWithFingerprintAsync({
         platform,
         '--buildProfile',
         profile,
-        '--runtimeVersion',
+        '--fingerprint-hash',
         fingerprintHash,
         '--limit',
         '1',
diff --git a/src/packageRunner.ts b/src/packageRunner.ts
new file mode 100644
index 000000000..2ac66e9ab
--- /dev/null
+++ b/src/packageRunner.ts
@@ -0,0 +1,14 @@
+import { which } from '@actions/io';
+
+/**
+ * Resolve the package runner to use for executing expo commands.
+ * Prefers `bunx` if available (works better with bun-managed projects),
+ * falls back to `npx`.
+ */
+export async function resolvePackageRunner(): Promise<string> {
+  try {
+    return await which('bunx', true);
+  } catch {
+    return 'npx';
+  }
+}
diff --git a/src/project.ts b/src/project.ts
index 4a88e533a..8c4779dea 100644
--- a/src/project.ts
+++ b/src/project.ts
@@ -3,6 +3,8 @@ import { getExecOutput } from '@actions/exec';
 import { which } from '@actions/io';
 import { ExpoConfig } from '@expo/config';
 
+import { resolvePackageRunner } from './packageRunner';
+
 /**
  * Load the Expo app project config in the given directory.
  * This runs `expo config` command instead of using `@expo/config` directly,
@@ -20,10 +22,11 @@ export async function loadProjectConfig(
   let args: string[];
   if (easEnvironment) {
     commandLine = await which('eas', true);
-    const commandToExecute = ['npx', ...baseArguments].join(' ').replace(/"/g, '\\"');
+    const runner = await resolvePackageRunner();
+    const commandToExecute = [runner, ...baseArguments].join(' ').replace(/"/g, '\\"');
     args = ['env:exec', '--non-interactive', easEnvironment, `"${commandToExecute}"`];
   } else {
-    commandLine = 'npx';
+    commandLine = await resolvePackageRunner();
     args = baseArguments;
   }