diff --git a/CHANGELOG.md b/CHANGELOG.md
index a09238cc..550cd3e9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,11 @@
+## [v1.17.15] - 2022-05-09
+
+[Release notes](https://github.com/betahuhn/repo-file-sync-action/releases/tag/v1.17.15) · [Compare](https://github.com/betahuhn/repo-file-sync-action/compare/v1.17.14...v1.17.15) · [Tag](https://github.com/betahuhn/repo-file-sync-action/tree/v1.17.15) · Archive ([zip](https://github.com/betahuhn/repo-file-sync-action/archive/v1.17.15.zip) · [tar.gz](https://github.com/betahuhn/repo-file-sync-action/archive/v1.17.15.tar.gz))
+
+### Dependency updates
+
+- [`b3c326d`](https://github.com/betahuhn/repo-file-sync-action/commit/b3c326d)  Bump @actions/core from 1.7.0 to 1.8.0
+
 ## [v1.17.14] - 2022-05-05
 
 [Release notes](https://github.com/betahuhn/repo-file-sync-action/releases/tag/v1.17.14) · [Compare](https://github.com/betahuhn/repo-file-sync-action/compare/v1.17.13...v1.17.14) · [Tag](https://github.com/betahuhn/repo-file-sync-action/tree/v1.17.14) · Archive ([zip](https://github.com/betahuhn/repo-file-sync-action/archive/v1.17.14.zip) · [tar.gz](https://github.com/betahuhn/repo-file-sync-action/archive/v1.17.14.tar.gz))
diff --git a/dist/index.js b/dist/index.js
index dc4e93bc..6742ca4b 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -416,10 +416,15 @@ function getIDToken(aud) {
 }
 exports.getIDToken = getIDToken;
 /**
- * Markdown summary exports
+ * Summary exports
  */
-var markdown_summary_1 = __nccwpck_require__(8042);
-Object.defineProperty(exports, "markdownSummary", ({ enumerable: true, get: function () { return markdown_summary_1.markdownSummary; } }));
+var summary_1 = __nccwpck_require__(1327);
+Object.defineProperty(exports, "summary", ({ enumerable: true, get: function () { return summary_1.summary; } }));
+/**
+ * @deprecated use core.summary
+ */
+var summary_2 = __nccwpck_require__(1327);
+Object.defineProperty(exports, "markdownSummary", ({ enumerable: true, get: function () { return summary_2.markdownSummary; } }));
 //# sourceMappingURL=core.js.map
 
 /***/ }),
@@ -473,7 +478,91 @@ exports.issueCommand = issueCommand;
 
 /***/ }),
 
-/***/ 8042:
+/***/ 8041:
+/***/ (function(__unused_webpack_module, exports, __nccwpck_require__) {
+
+"use strict";
+
+var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
+    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
+    return new (P || (P = Promise))(function (resolve, reject) {
+        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
+        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
+        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
+        step((generator = generator.apply(thisArg, _arguments || [])).next());
+    });
+};
+Object.defineProperty(exports, "__esModule", ({ value: true }));
+exports.OidcClient = void 0;
+const http_client_1 = __nccwpck_require__(9925);
+const auth_1 = __nccwpck_require__(3702);
+const core_1 = __nccwpck_require__(2186);
+class OidcClient {
+    static createHttpClient(allowRetry = true, maxRetry = 10) {
+        const requestOptions = {
+            allowRetries: allowRetry,
+            maxRetries: maxRetry
+        };
+        return new http_client_1.HttpClient('actions/oidc-client', [new auth_1.BearerCredentialHandler(OidcClient.getRequestToken())], requestOptions);
+    }
+    static getRequestToken() {
+        const token = process.env['ACTIONS_ID_TOKEN_REQUEST_TOKEN'];
+        if (!token) {
+            throw new Error('Unable to get ACTIONS_ID_TOKEN_REQUEST_TOKEN env variable');
+        }
+        return token;
+    }
+    static getIDTokenUrl() {
+        const runtimeUrl = process.env['ACTIONS_ID_TOKEN_REQUEST_URL'];
+        if (!runtimeUrl) {
+            throw new Error('Unable to get ACTIONS_ID_TOKEN_REQUEST_URL env variable');
+        }
+        return runtimeUrl;
+    }
+    static getCall(id_token_url) {
+        var _a;
+        return __awaiter(this, void 0, void 0, function* () {
+            const httpclient = OidcClient.createHttpClient();
+            const res = yield httpclient
+                .getJson(id_token_url)
+                .catch(error => {
+                throw new Error(`Failed to get ID Token. \n 
+        Error Code : ${error.statusCode}\n 
+        Error Message: ${error.result.message}`);
+            });
+            const id_token = (_a = res.result) === null || _a === void 0 ? void 0 : _a.value;
+            if (!id_token) {
+                throw new Error('Response json body do not have ID Token field');
+            }
+            return id_token;
+        });
+    }
+    static getIDToken(audience) {
+        return __awaiter(this, void 0, void 0, function* () {
+            try {
+                // New ID Token is requested from action service
+                let id_token_url = OidcClient.getIDTokenUrl();
+                if (audience) {
+                    const encodedAudience = encodeURIComponent(audience);
+                    id_token_url = `${id_token_url}&audience=${encodedAudience}`;
+                }
+                core_1.debug(`ID token url is ${id_token_url}`);
+                const id_token = yield OidcClient.getCall(id_token_url);
+                core_1.setSecret(id_token);
+                return id_token;
+            }
+            catch (error) {
+                throw new Error(`Error message: ${error.message}`);
+            }
+        });
+    }
+}
+exports.OidcClient = OidcClient;
+//# sourceMappingURL=oidc-utils.js.map
+
+/***/ }),
+
+/***/ 1327:
 /***/ (function(__unused_webpack_module, exports, __nccwpck_require__) {
 
 "use strict";
@@ -488,13 +577,13 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
     });
 };
 Object.defineProperty(exports, "__esModule", ({ value: true }));
-exports.markdownSummary = exports.SUMMARY_DOCS_URL = exports.SUMMARY_ENV_VAR = void 0;
+exports.summary = exports.markdownSummary = exports.SUMMARY_DOCS_URL = exports.SUMMARY_ENV_VAR = void 0;
 const os_1 = __nccwpck_require__(2037);
 const fs_1 = __nccwpck_require__(7147);
 const { access, appendFile, writeFile } = fs_1.promises;
 exports.SUMMARY_ENV_VAR = 'GITHUB_STEP_SUMMARY';
-exports.SUMMARY_DOCS_URL = 'https://docs.github.com/actions/using-workflows/workflow-commands-for-github-actions#adding-a-markdown-summary';
-class MarkdownSummary {
+exports.SUMMARY_DOCS_URL = 'https://docs.github.com/actions/using-workflows/workflow-commands-for-github-actions#adding-a-job-summary';
+class Summary {
     constructor() {
         this._buffer = '';
     }
@@ -511,7 +600,7 @@ class MarkdownSummary {
             }
             const pathFromEnv = process.env[exports.SUMMARY_ENV_VAR];
             if (!pathFromEnv) {
-                throw new Error(`Unable to find environment variable for $${exports.SUMMARY_ENV_VAR}. Check if your runtime environment supports markdown summaries.`);
+                throw new Error(`Unable to find environment variable for $${exports.SUMMARY_ENV_VAR}. Check if your runtime environment supports job summaries.`);
             }
             try {
                 yield access(pathFromEnv, fs_1.constants.R_OK | fs_1.constants.W_OK);
@@ -546,7 +635,7 @@ class MarkdownSummary {
      *
      * @param {SummaryWriteOptions} [options] (optional) options for write operation
      *
-     * @returns {Promise<MarkdownSummary>} markdown summary instance
+     * @returns {Promise<Summary>} summary instance
      */
     write(options) {
         return __awaiter(this, void 0, void 0, function* () {
@@ -560,7 +649,7 @@ class MarkdownSummary {
     /**
      * Clears the summary buffer and wipes the summary file
      *
-     * @returns {MarkdownSummary} markdown summary instance
+     * @returns {Summary} summary instance
      */
     clear() {
         return __awaiter(this, void 0, void 0, function* () {
@@ -586,7 +675,7 @@ class MarkdownSummary {
     /**
      * Resets the summary buffer without writing to summary file
      *
-     * @returns {MarkdownSummary} markdown summary instance
+     * @returns {Summary} summary instance
      */
     emptyBuffer() {
         this._buffer = '';
@@ -598,7 +687,7 @@ class MarkdownSummary {
      * @param {string} text content to add
      * @param {boolean} [addEOL=false] (optional) append an EOL to the raw text (default: false)
      *
-     * @returns {MarkdownSummary} markdown summary instance
+     * @returns {Summary} summary instance
      */
     addRaw(text, addEOL = false) {
         this._buffer += text;
@@ -607,7 +696,7 @@ class MarkdownSummary {
     /**
      * Adds the operating system-specific end-of-line marker to the buffer
      *
-     * @returns {MarkdownSummary} markdown summary instance
+     * @returns {Summary} summary instance
      */
     addEOL() {
         return this.addRaw(os_1.EOL);
@@ -618,7 +707,7 @@ class MarkdownSummary {
      * @param {string} code content to render within fenced code block
      * @param {string} lang (optional) language to syntax highlight code
      *
-     * @returns {MarkdownSummary} markdown summary instance
+     * @returns {Summary} summary instance
      */
     addCodeBlock(code, lang) {
         const attrs = Object.assign({}, (lang && { lang }));
@@ -631,7 +720,7 @@ class MarkdownSummary {
      * @param {string[]} items list of items to render
      * @param {boolean} [ordered=false] (optional) if the rendered list should be ordered or not (default: false)
      *
-     * @returns {MarkdownSummary} markdown summary instance
+     * @returns {Summary} summary instance
      */
     addList(items, ordered = false) {
         const tag = ordered ? 'ol' : 'ul';
@@ -644,7 +733,7 @@ class MarkdownSummary {
      *
      * @param {SummaryTableCell[]} rows table rows
      *
-     * @returns {MarkdownSummary} markdown summary instance
+     * @returns {Summary} summary instance
      */
     addTable(rows) {
         const tableBody = rows
@@ -672,7 +761,7 @@ class MarkdownSummary {
      * @param {string} label text for the closed state
      * @param {string} content collapsable content
      *
-     * @returns {MarkdownSummary} markdown summary instance
+     * @returns {Summary} summary instance
      */
     addDetails(label, content) {
         const element = this.wrap('details', this.wrap('summary', label) + content);
@@ -685,7 +774,7 @@ class MarkdownSummary {
      * @param {string} alt text description of the image
      * @param {SummaryImageOptions} options (optional) addition image attributes
      *
-     * @returns {MarkdownSummary} markdown summary instance
+     * @returns {Summary} summary instance
      */
     addImage(src, alt, options) {
         const { width, height } = options || {};
@@ -699,7 +788,7 @@ class MarkdownSummary {
      * @param {string} text heading text
      * @param {number | string} [level=1] (optional) the heading level, default: 1
      *
-     * @returns {MarkdownSummary} markdown summary instance
+     * @returns {Summary} summary instance
      */
     addHeading(text, level) {
         const tag = `h${level}`;
@@ -712,7 +801,7 @@ class MarkdownSummary {
     /**
      * Adds an HTML thematic break (<hr>) to the summary buffer
      *
-     * @returns {MarkdownSummary} markdown summary instance
+     * @returns {Summary} summary instance
      */
     addSeparator() {
         const element = this.wrap('hr', null);
@@ -721,7 +810,7 @@ class MarkdownSummary {
     /**
      * Adds an HTML line break (<br>) to the summary buffer
      *
-     * @returns {MarkdownSummary} markdown summary instance
+     * @returns {Summary} summary instance
      */
     addBreak() {
         const element = this.wrap('br', null);
@@ -733,7 +822,7 @@ class MarkdownSummary {
      * @param {string} text quote text
      * @param {string} cite (optional) citation url
      *
-     * @returns {MarkdownSummary} markdown summary instance
+     * @returns {Summary} summary instance
      */
     addQuote(text, cite) {
         const attrs = Object.assign({}, (cite && { cite }));
@@ -746,100 +835,20 @@ class MarkdownSummary {
      * @param {string} text link text/content
      * @param {string} href hyperlink
      *
-     * @returns {MarkdownSummary} markdown summary instance
+     * @returns {Summary} summary instance
      */
     addLink(text, href) {
         const element = this.wrap('a', text, { href });
         return this.addRaw(element).addEOL();
     }
 }
-// singleton export
-exports.markdownSummary = new MarkdownSummary();
-//# sourceMappingURL=markdown-summary.js.map
-
-/***/ }),
-
-/***/ 8041:
-/***/ (function(__unused_webpack_module, exports, __nccwpck_require__) {
-
-"use strict";
-
-var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
-    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
-    return new (P || (P = Promise))(function (resolve, reject) {
-        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
-        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
-        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
-        step((generator = generator.apply(thisArg, _arguments || [])).next());
-    });
-};
-Object.defineProperty(exports, "__esModule", ({ value: true }));
-exports.OidcClient = void 0;
-const http_client_1 = __nccwpck_require__(9925);
-const auth_1 = __nccwpck_require__(3702);
-const core_1 = __nccwpck_require__(2186);
-class OidcClient {
-    static createHttpClient(allowRetry = true, maxRetry = 10) {
-        const requestOptions = {
-            allowRetries: allowRetry,
-            maxRetries: maxRetry
-        };
-        return new http_client_1.HttpClient('actions/oidc-client', [new auth_1.BearerCredentialHandler(OidcClient.getRequestToken())], requestOptions);
-    }
-    static getRequestToken() {
-        const token = process.env['ACTIONS_ID_TOKEN_REQUEST_TOKEN'];
-        if (!token) {
-            throw new Error('Unable to get ACTIONS_ID_TOKEN_REQUEST_TOKEN env variable');
-        }
-        return token;
-    }
-    static getIDTokenUrl() {
-        const runtimeUrl = process.env['ACTIONS_ID_TOKEN_REQUEST_URL'];
-        if (!runtimeUrl) {
-            throw new Error('Unable to get ACTIONS_ID_TOKEN_REQUEST_URL env variable');
-        }
-        return runtimeUrl;
-    }
-    static getCall(id_token_url) {
-        var _a;
-        return __awaiter(this, void 0, void 0, function* () {
-            const httpclient = OidcClient.createHttpClient();
-            const res = yield httpclient
-                .getJson(id_token_url)
-                .catch(error => {
-                throw new Error(`Failed to get ID Token. \n 
-        Error Code : ${error.statusCode}\n 
-        Error Message: ${error.result.message}`);
-            });
-            const id_token = (_a = res.result) === null || _a === void 0 ? void 0 : _a.value;
-            if (!id_token) {
-                throw new Error('Response json body do not have ID Token field');
-            }
-            return id_token;
-        });
-    }
-    static getIDToken(audience) {
-        return __awaiter(this, void 0, void 0, function* () {
-            try {
-                // New ID Token is requested from action service
-                let id_token_url = OidcClient.getIDTokenUrl();
-                if (audience) {
-                    const encodedAudience = encodeURIComponent(audience);
-                    id_token_url = `${id_token_url}&audience=${encodedAudience}`;
-                }
-                core_1.debug(`ID token url is ${id_token_url}`);
-                const id_token = yield OidcClient.getCall(id_token_url);
-                core_1.setSecret(id_token);
-                return id_token;
-            }
-            catch (error) {
-                throw new Error(`Error message: ${error.message}`);
-            }
-        });
-    }
-}
-exports.OidcClient = OidcClient;
-//# sourceMappingURL=oidc-utils.js.map
+const _summary = new Summary();
+/**
+ * @deprecated use `core.summary`
+ */
+exports.markdownSummary = _summary;
+exports.summary = _summary;
+//# sourceMappingURL=summary.js.map
 
 /***/ }),
 
diff --git a/package-lock.json b/package-lock.json
index b985cf8f..fd6d1b1a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "repo-file-sync-action",
-  "version": "1.17.14",
+  "version": "1.17.15",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 607b6da9..89379089 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "repo-file-sync-action",
-  "version": "1.17.14",
+  "version": "1.17.15",
   "description": "GitHub Action to keep files like Action workflows or entire directories in sync between multiple repositories.",
   "main": "dist/index.js",
   "scripts": {