diff --git a/dist/index.js b/dist/index.js
index cf6190a9..df81edc2 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -6635,14 +6635,6 @@ async function createCheck(linterName, sha, context, lintResult, neutralCheckOnW
 		];
 	}
 
-	// Only use the first 50 annotations (limit for a single API request)
-	if (annotations.length > 50) {
-		core.info(
-			`There are more than 50 errors/warnings from ${linterName}. Annotations are created for the first 50 issues only.`,
-		);
-		annotations = annotations.slice(0, 50);
-	}
-
 	let conclusion;
 	if (lintResult.isSuccess) {
 		if (annotations.length > 0 && neutralCheckOnWarning) {
@@ -6654,50 +6646,95 @@ async function createCheck(linterName, sha, context, lintResult, neutralCheckOnW
 		conclusion = "failure";
 	}
 
-	const body = {
-		name: linterName,
-		head_sha: sha,
-		conclusion,
-		output: {
-			title: capitalizeFirstLetter(summary),
-			summary: `${linterName} found ${summary}`,
-			annotations,
-		},
+	const headers = {
+		"Content-Type": "application/json",
+		// "Accept" header is required to access Checks API during preview period
+		Accept: "application/vnd.github.antiope-preview+json",
+		Authorization: `Bearer ${context.token}`,
+		"User-Agent": actionName,
 	};
-	try {
-		core.info(
-			`Creating GitHub check with ${conclusion} conclusion and ${annotations.length} annotations for ${linterName}…`,
-		);
-		await request(`${process.env.GITHUB_API_URL}/repos/${context.repository.repoName}/check-runs`, {
-			method: "POST",
-			headers: {
-				"Content-Type": "application/json",
-				// "Accept" header is required to access Checks API during preview period
-				Accept: "application/vnd.github.antiope-preview+json",
-				Authorization: `Bearer ${context.token}`,
-				"User-Agent": actionName,
+
+	// GitHub only allows 50 annotations per request, chunk them and send multiple requests
+	const chunkSize = 50;
+	for (let i = 0; i < annotations.length; i += chunkSize) {
+		const annotationChunk = annotations.slice(i, i + chunkSize);
+
+		const checkRuns = await request(
+			`${process.env.GITHUB_API_URL}/repos/${context.repository.repoName}/commits/${sha}/check-runs`,
+			{
+				method: "GET",
+				headers,
 			},
-			body,
-		});
-		core.info(`${linterName} check created successfully`);
-	} catch (err) {
-		let errorMessage = err.message;
-		if (err.data) {
-			try {
-				const errorData = JSON.parse(err.data);
-				if (errorData.message) {
-					errorMessage += `. ${errorData.message}`;
-				}
-				if (errorData.documentation_url) {
-					errorMessage += ` ${errorData.documentation_url}`;
+		);
+		const existingRun = checkRuns.data.check_runs.find((run) => run.name === linterName);
+
+		try {
+			core.info(
+				`Creating GitHub check with ${conclusion} conclusion and ${annotations.length} annotations for ${linterName}…`,
+			);
+
+			if (existingRun == null) {
+				await request(
+					`${process.env.GITHUB_API_URL}/repos/${context.repository.repoName}/check-runs`,
+					{
+						method: "POST",
+						headers,
+						body: {
+							name: linterName,
+							conclusion,
+							head_sha: sha,
+							output: {
+								title: capitalizeFirstLetter(summary),
+								summary: `${linterName} found ${summary}`,
+								annotations: annotationChunk,
+							},
+						},
+					},
+				);
+
+				core.info(`${linterName} check created successfully`);
+			} else {
+				const existingRunId = existingRun.id;
+
+				await request(
+					`${process.env.GITHUB_API_URL}/repos/${context.repository.repoName}/check-runs/${existingRunId}`,
+					{
+						method: "PATCH",
+						headers,
+						body: {
+							name: linterName,
+							conclusion,
+							check_run_id: existingRunId,
+							output: {
+								title: capitalizeFirstLetter(summary),
+								summary: `${linterName} found ${summary}`,
+								annotations: annotationChunk,
+							},
+						},
+					},
+				);
+
+				core.info(`${linterName} check updated successfully`);
+			}
+		} catch (err) {
+			let errorMessage = err.message;
+			if (err.data) {
+				try {
+					const errorData = JSON.parse(err.data);
+					if (errorData.message) {
+						errorMessage += `. ${errorData.message}`;
+					}
+					if (errorData.documentation_url) {
+						errorMessage += ` ${errorData.documentation_url}`;
+					}
+				} catch (e) {
+					// Ignore
 				}
-			} catch (e) {
-				// Ignore
 			}
-		}
-		core.error(errorMessage);
+			core.error(errorMessage);
 
-		throw new Error(`Error trying to create GitHub check for ${linterName}: ${errorMessage}`);
+			throw new Error(`Error trying to create GitHub check for ${linterName}: ${errorMessage}`);
+		}
 	}
 }
 
@@ -9381,9 +9418,10 @@ const https = __nccwpck_require__(5687);
  * Helper function for making HTTP requests
  * @param {string | URL} url - Request URL
  * @param {object} options - Request options
+ * @param {number} retryCount - Current attempted number of retries
  * @returns {Promise<object>} - JSON response
  */
-function request(url, options) {
+function request(url, options, retryCount = 0) {
 	return new Promise((resolve, reject) => {
 		const req = https
 			.request(url, options, (res) => {
@@ -9392,7 +9430,21 @@ function request(url, options) {
 					data += chunk;
 				});
 				res.on("end", () => {
-					if (res.statusCode >= 400) {
+					if (res.statusCode === 429) {
+						if (retryCount < 3) {
+							// max retries
+							const retryAfter = res.headers["retry-after"]
+								? parseInt(res.headers["retry-after"], 10) * 1000
+								: 5000 * retryCount; // default backoff time if 'retry-after' header is not present
+							setTimeout(() => {
+								request(url, options, retryCount + 1)
+									.then(resolve)
+									.catch(reject);
+							}, retryAfter);
+						} else {
+							reject(new Error(`Max retries reached. Status code: ${res.statusCode}`));
+						}
+					} else if (res.statusCode >= 400) {
 						const err = new Error(`Received status code ${res.statusCode}`);
 						err.response = res;
 						err.data = data;
@@ -9403,6 +9455,7 @@ function request(url, options) {
 				});
 			})
 			.on("error", reject);
+
 		if (options.body) {
 			req.end(JSON.stringify(options.body));
 		} else {
diff --git a/src/github/api.js b/src/github/api.js
index c28b7a36..0a2d02a3 100644
--- a/src/github/api.js
+++ b/src/github/api.js
@@ -33,14 +33,6 @@ async function createCheck(linterName, sha, context, lintResult, neutralCheckOnW
 		];
 	}
 
-	// Only use the first 50 annotations (limit for a single API request)
-	if (annotations.length > 50) {
-		core.info(
-			`There are more than 50 errors/warnings from ${linterName}. Annotations are created for the first 50 issues only.`,
-		);
-		annotations = annotations.slice(0, 50);
-	}
-
 	let conclusion;
 	if (lintResult.isSuccess) {
 		if (annotations.length > 0 && neutralCheckOnWarning) {
@@ -52,50 +44,95 @@ async function createCheck(linterName, sha, context, lintResult, neutralCheckOnW
 		conclusion = "failure";
 	}
 
-	const body = {
-		name: linterName,
-		head_sha: sha,
-		conclusion,
-		output: {
-			title: capitalizeFirstLetter(summary),
-			summary: `${linterName} found ${summary}`,
-			annotations,
-		},
+	const headers = {
+		"Content-Type": "application/json",
+		// "Accept" header is required to access Checks API during preview period
+		Accept: "application/vnd.github.antiope-preview+json",
+		Authorization: `Bearer ${context.token}`,
+		"User-Agent": actionName,
 	};
-	try {
-		core.info(
-			`Creating GitHub check with ${conclusion} conclusion and ${annotations.length} annotations for ${linterName}…`,
-		);
-		await request(`${process.env.GITHUB_API_URL}/repos/${context.repository.repoName}/check-runs`, {
-			method: "POST",
-			headers: {
-				"Content-Type": "application/json",
-				// "Accept" header is required to access Checks API during preview period
-				Accept: "application/vnd.github.antiope-preview+json",
-				Authorization: `Bearer ${context.token}`,
-				"User-Agent": actionName,
+
+	// GitHub only allows 50 annotations per request, chunk them and send multiple requests
+	const chunkSize = 50;
+	for (let i = 0; i < annotations.length; i += chunkSize) {
+		const annotationChunk = annotations.slice(i, i + chunkSize);
+
+		const checkRuns = await request(
+			`${process.env.GITHUB_API_URL}/repos/${context.repository.repoName}/commits/${sha}/check-runs`,
+			{
+				method: "GET",
+				headers,
 			},
-			body,
-		});
-		core.info(`${linterName} check created successfully`);
-	} catch (err) {
-		let errorMessage = err.message;
-		if (err.data) {
-			try {
-				const errorData = JSON.parse(err.data);
-				if (errorData.message) {
-					errorMessage += `. ${errorData.message}`;
-				}
-				if (errorData.documentation_url) {
-					errorMessage += ` ${errorData.documentation_url}`;
+		);
+		const existingRun = checkRuns.data.check_runs.find((run) => run.name === linterName);
+
+		try {
+			core.info(
+				`Creating GitHub check with ${conclusion} conclusion and ${annotations.length} annotations for ${linterName}…`,
+			);
+
+			if (existingRun == null) {
+				await request(
+					`${process.env.GITHUB_API_URL}/repos/${context.repository.repoName}/check-runs`,
+					{
+						method: "POST",
+						headers,
+						body: {
+							name: linterName,
+							conclusion,
+							head_sha: sha,
+							output: {
+								title: capitalizeFirstLetter(summary),
+								summary: `${linterName} found ${summary}`,
+								annotations: annotationChunk,
+							},
+						},
+					},
+				);
+
+				core.info(`${linterName} check created successfully`);
+			} else {
+				const existingRunId = existingRun.id;
+
+				await request(
+					`${process.env.GITHUB_API_URL}/repos/${context.repository.repoName}/check-runs/${existingRunId}`,
+					{
+						method: "PATCH",
+						headers,
+						body: {
+							name: linterName,
+							conclusion,
+							check_run_id: existingRunId,
+							output: {
+								title: capitalizeFirstLetter(summary),
+								summary: `${linterName} found ${summary}`,
+								annotations: annotationChunk,
+							},
+						},
+					},
+				);
+
+				core.info(`${linterName} check updated successfully`);
+			}
+		} catch (err) {
+			let errorMessage = err.message;
+			if (err.data) {
+				try {
+					const errorData = JSON.parse(err.data);
+					if (errorData.message) {
+						errorMessage += `. ${errorData.message}`;
+					}
+					if (errorData.documentation_url) {
+						errorMessage += ` ${errorData.documentation_url}`;
+					}
+				} catch (e) {
+					// Ignore
 				}
-			} catch (e) {
-				// Ignore
 			}
-		}
-		core.error(errorMessage);
+			core.error(errorMessage);
 
-		throw new Error(`Error trying to create GitHub check for ${linterName}: ${errorMessage}`);
+			throw new Error(`Error trying to create GitHub check for ${linterName}: ${errorMessage}`);
+		}
 	}
 }
 
diff --git a/src/utils/request.js b/src/utils/request.js
index cb42007a..acd035a4 100644
--- a/src/utils/request.js
+++ b/src/utils/request.js
@@ -4,9 +4,10 @@ const https = require("https");
  * Helper function for making HTTP requests
  * @param {string | URL} url - Request URL
  * @param {object} options - Request options
+ * @param {number} retryCount - Current attempted number of retries
  * @returns {Promise<object>} - JSON response
  */
-function request(url, options) {
+function request(url, options, retryCount = 0) {
 	return new Promise((resolve, reject) => {
 		const req = https
 			.request(url, options, (res) => {
@@ -15,7 +16,21 @@ function request(url, options) {
 					data += chunk;
 				});
 				res.on("end", () => {
-					if (res.statusCode >= 400) {
+					if (res.statusCode === 429) {
+						if (retryCount < 3) {
+							// max retries
+							const retryAfter = res.headers["retry-after"]
+								? parseInt(res.headers["retry-after"], 10) * 1000
+								: 5000 * retryCount; // default backoff time if 'retry-after' header is not present
+							setTimeout(() => {
+								request(url, options, retryCount + 1)
+									.then(resolve)
+									.catch(reject);
+							}, retryAfter);
+						} else {
+							reject(new Error(`Max retries reached. Status code: ${res.statusCode}`));
+						}
+					} else if (res.statusCode >= 400) {
 						const err = new Error(`Received status code ${res.statusCode}`);
 						err.response = res;
 						err.data = data;
@@ -26,6 +41,7 @@ function request(url, options) {
 				});
 			})
 			.on("error", reject);
+
 		if (options.body) {
 			req.end(JSON.stringify(options.body));
 		} else {