diff --git a/dist/index.js b/dist/index.js
index ec84d537..bf3382da 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -126828,14 +126828,14 @@ __nccwpck_require__.d(forms_namespaceObject, {
   "serializeArray": () => (serializeArray)
 });
 
+;// CONCATENATED MODULE: external "node:process"
+const external_node_process_namespaceObject = __WEBPACK_EXTERNAL_createRequire(import.meta.url)("node:process");
 // EXTERNAL MODULE: ../../node_modules/@actions/core/lib/core.js
 var lib_core = __nccwpck_require__(37117);
 ;// CONCATENATED MODULE: external "node:os"
 const external_node_os_namespaceObject = __WEBPACK_EXTERNAL_createRequire(import.meta.url)("node:os");
 ;// CONCATENATED MODULE: external "node:path"
 const external_node_path_namespaceObject = __WEBPACK_EXTERNAL_createRequire(import.meta.url)("node:path");
-;// CONCATENATED MODULE: external "node:process"
-const external_node_process_namespaceObject = __WEBPACK_EXTERNAL_createRequire(import.meta.url)("node:process");
 // EXTERNAL MODULE: ../../node_modules/@actions/exec/lib/exec.js
 var lib_exec = __nccwpck_require__(66473);
 // EXTERNAL MODULE: ../../node_modules/@actions/cache/lib/cache.js
@@ -145122,16 +145122,20 @@ async function installer() {
 }
 
 ;// CONCATENATED MODULE: ./src/index.ts
+/* eslint-disable unicorn/no-process-exit */
+
 
 
 async function run() {
     try {
         await installer();
+        external_node_process_namespaceObject.exit(0);
     }
     catch (error) {
         if (error instanceof Error) {
             lib_core.setFailed(error.message);
         }
+        external_node_process_namespaceObject.exit(1);
     }
 }
 void run();
diff --git a/lint-doc/dist/index.js b/lint-doc/dist/index.js
index 12ef6978..b69d1f2d 100644
--- a/lint-doc/dist/index.js
+++ b/lint-doc/dist/index.js
@@ -27691,6 +27691,8 @@ var __webpack_exports__ = {};
 // This entry need to be wrapped in an IIFE because it need to be isolated against other modules in the chunk.
 (() => {
 
+;// CONCATENATED MODULE: external "node:process"
+const external_node_process_namespaceObject = __WEBPACK_EXTERNAL_createRequire(import.meta.url)("node:process");
 // EXTERNAL MODULE: ../../node_modules/@actions/core/lib/core.js
 var core = __nccwpck_require__(7117);
 // EXTERNAL MODULE: ../../node_modules/@actions/exec/lib/exec.js
@@ -27732,6 +27734,8 @@ async function installOdoc() {
 }
 
 ;// CONCATENATED MODULE: ./src/index.ts
+/* eslint-disable unicorn/no-process-exit */
+
 
 
 
@@ -27740,11 +27744,13 @@ async function run() {
         await installOpamPackages();
         await installOdoc();
         await lintOdoc();
+        external_node_process_namespaceObject.exit(0);
     }
     catch (error) {
         if (error instanceof Error) {
             core.setFailed(error.message);
         }
+        external_node_process_namespaceObject.exit(1);
     }
 }
 void run();
diff --git a/lint-fmt/dist/index.js b/lint-fmt/dist/index.js
index 2e921afa..bbbfe573 100644
--- a/lint-fmt/dist/index.js
+++ b/lint-fmt/dist/index.js
@@ -27691,6 +27691,8 @@ var __webpack_exports__ = {};
 // This entry need to be wrapped in an IIFE because it need to be isolated against other modules in the chunk.
 (() => {
 
+;// CONCATENATED MODULE: external "node:process"
+const external_node_process_namespaceObject = __WEBPACK_EXTERNAL_createRequire(import.meta.url)("node:process");
 // EXTERNAL MODULE: ../../node_modules/@actions/core/lib/core.js
 var core = __nccwpck_require__(7117);
 // EXTERNAL MODULE: ../../node_modules/@actions/exec/lib/exec.js
@@ -27751,6 +27753,8 @@ async function installOcamlformat(version) {
 }
 
 ;// CONCATENATED MODULE: ./src/index.ts
+/* eslint-disable unicorn/no-process-exit */
+
 
 
 
@@ -27760,11 +27764,13 @@ async function run() {
         const version = await getOcamlformatVersion();
         await installOcamlformat(version);
         await checkFmt();
+        external_node_process_namespaceObject.exit(0);
     }
     catch (error) {
         if (error instanceof Error) {
             core.setFailed(error.message);
         }
+        external_node_process_namespaceObject.exit(1);
     }
 }
 void run();
diff --git a/lint-opam/dist/index.js b/lint-opam/dist/index.js
index bb2d7868..057d35f4 100644
--- a/lint-opam/dist/index.js
+++ b/lint-opam/dist/index.js
@@ -27691,6 +27691,8 @@ var __webpack_exports__ = {};
 // This entry need to be wrapped in an IIFE because it need to be isolated against other modules in the chunk.
 (() => {
 
+;// CONCATENATED MODULE: external "node:process"
+const external_node_process_namespaceObject = __WEBPACK_EXTERNAL_createRequire(import.meta.url)("node:process");
 // EXTERNAL MODULE: ../../node_modules/@actions/core/lib/core.js
 var core = __nccwpck_require__(7117);
 // EXTERNAL MODULE: ../../node_modules/@actions/exec/lib/exec.js
@@ -27725,6 +27727,8 @@ async function installOpamDuneLint() {
 }
 
 ;// CONCATENATED MODULE: ./src/index.ts
+/* eslint-disable unicorn/no-process-exit */
+
 
 
 
@@ -27734,11 +27738,13 @@ async function run() {
         await installOpamDuneLint();
         await opamLint();
         await opamDuneLint();
+        external_node_process_namespaceObject.exit(0);
     }
     catch (error) {
         if (error instanceof Error) {
             core.setFailed(error.message);
         }
+        external_node_process_namespaceObject.exit(1);
     }
 }
 void run();
diff --git a/packages/lint-doc/src/index.ts b/packages/lint-doc/src/index.ts
index 78303137..b56ecb4e 100644
--- a/packages/lint-doc/src/index.ts
+++ b/packages/lint-doc/src/index.ts
@@ -1,3 +1,6 @@
+/* eslint-disable unicorn/no-process-exit */
+import * as process from "node:process";
+
 import * as core from "@actions/core";
 
 import { lintOdoc } from "./odoc.js";
@@ -8,10 +11,12 @@ async function run() {
     await installOpamPackages();
     await installOdoc();
     await lintOdoc();
+    process.exit(0);
   } catch (error) {
     if (error instanceof Error) {
       core.setFailed(error.message);
     }
+    process.exit(1);
   }
 }
 
diff --git a/packages/lint-fmt/src/index.ts b/packages/lint-fmt/src/index.ts
index 6a59846b..7a8e683b 100644
--- a/packages/lint-fmt/src/index.ts
+++ b/packages/lint-fmt/src/index.ts
@@ -1,3 +1,6 @@
+/* eslint-disable unicorn/no-process-exit */
+import * as process from "node:process";
+
 import * as core from "@actions/core";
 
 import { checkFmt } from "./lint.js";
@@ -9,10 +12,12 @@ async function run() {
     const version = await getOcamlformatVersion();
     await installOcamlformat(version);
     await checkFmt();
+    process.exit(0);
   } catch (error) {
     if (error instanceof Error) {
       core.setFailed(error.message);
     }
+    process.exit(1);
   }
 }
 
diff --git a/packages/lint-opam/src/index.ts b/packages/lint-opam/src/index.ts
index 79d08f4e..03d9290e 100644
--- a/packages/lint-opam/src/index.ts
+++ b/packages/lint-opam/src/index.ts
@@ -1,3 +1,6 @@
+/* eslint-disable unicorn/no-process-exit */
+import * as process from "node:process";
+
 import * as core from "@actions/core";
 
 import { opamDuneLint, opamLint } from "./lint.js";
@@ -9,10 +12,12 @@ async function run() {
     await installOpamDuneLint();
     await opamLint();
     await opamDuneLint();
+    process.exit(0);
   } catch (error) {
     if (error instanceof Error) {
       core.setFailed(error.message);
     }
+    process.exit(1);
   }
 }
 
diff --git a/packages/setup-ocaml/src/index.ts b/packages/setup-ocaml/src/index.ts
index bf609e1e..1a01fb28 100644
--- a/packages/setup-ocaml/src/index.ts
+++ b/packages/setup-ocaml/src/index.ts
@@ -1,3 +1,6 @@
+/* eslint-disable unicorn/no-process-exit */
+import * as process from "node:process";
+
 import * as core from "@actions/core";
 
 import { installer } from "./installer.js";
@@ -5,10 +8,12 @@ import { installer } from "./installer.js";
 async function run() {
   try {
     await installer();
+    process.exit(0);
   } catch (error) {
     if (error instanceof Error) {
       core.setFailed(error.message);
     }
+    process.exit(1);
   }
 }