diff --git a/dist/index.js b/dist/index.js
index a19f106b..a0c6f451 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -13208,7 +13208,7 @@ const util = __importStar(__webpack_require__(322));
 const xmlbuilder2_1 = __webpack_require__(255);
 exports.M2_DIR = '.m2';
 exports.TEMP_DIR = util.getTempDir();
-exports.GPG_HOME_DIR = path.join(exports.TEMP_DIR, '.gnupg');
+exports.GPG_HOME_DIR = path.join(exports.TEMP_DIR, '.gnupg').replace(/\\/g, '/'); // Enforce posix path
 exports.SETTINGS_FILE = 'settings.xml';
 exports.PRIVATE_KEY_FILE = 'private-key.asc';
 exports.DEFAULT_ID = 'github';
diff --git a/src/auth.ts b/src/auth.ts
index 96051dd4..8cb16226 100644
--- a/src/auth.ts
+++ b/src/auth.ts
@@ -9,7 +9,7 @@ import {create as xmlCreate} from 'xmlbuilder2';
 
 export const M2_DIR = '.m2';
 export const TEMP_DIR = util.getTempDir();
-export const GPG_HOME_DIR = path.join(TEMP_DIR, '.gnupg');
+export const GPG_HOME_DIR = path.join(TEMP_DIR, '.gnupg').replace(/\\/g, '/'); // Enforce posix path
 export const SETTINGS_FILE = 'settings.xml';
 export const PRIVATE_KEY_FILE = 'private-key.asc';