diff --git a/src/cli/cli.ts b/src/cli/cli.ts
index 5dea40b..c5258f0 100644
--- a/src/cli/cli.ts
+++ b/src/cli/cli.ts
@@ -13,7 +13,7 @@ import {compare} from "./compare.ts";
 import {CLIOptions, benchmarkOptions, fileCollectionOptions, storageOptions} from "./options.ts";
 import {run} from "./run.ts";
 
-void yargs(hideBin(process.argv))
+yargs(hideBin(process.argv))
   .env("BENCHMARK")
   .scriptName("benchmark")
   .command({
@@ -83,4 +83,7 @@ void yargs(hideBin(process.argv))
     console.error(` ✖ ${errorMessage}\n`);
     process.exit(1);
   })
-  .parse();
+  .parseAsync()
+  .catch(() => {
+    // Error already handled by .fail() handler
+  });
diff --git a/src/cli/run.ts b/src/cli/run.ts
index 9430ce8..65cac0f 100644
--- a/src/cli/run.ts
+++ b/src/cli/run.ts
@@ -98,11 +98,17 @@ export async function run(opts_: FileCollectionOptions & StorageOptions & Benchm
 
     debug("detecting to post comment. skipPostComment: %o, isGaRun: %o", !opts.skipPostComment, isGaRun());
     if (!opts.skipPostComment && isGaRun()) {
-      await postGaComment({
-        commentBody: performanceReportComment(resultsComp),
-        tag: GithubCommentTagEnum.PerformanceReport,
-        commentOnPush: resultsComp.someFailed,
-      });
+      try {
+        await postGaComment({
+          commentBody: performanceReportComment(resultsComp),
+          tag: GithubCommentTagEnum.PerformanceReport,
+          commentOnPush: resultsComp.someFailed,
+        });
+      } catch (e) {
+        // Don't fail the benchmark run due to comment posting errors
+        // (e.g. fork PRs lack pull-requests:write permission)
+        consoleLog(`Warning: Failed to post GitHub comment: ${(e as Error).message}`);
+      }
     }
 
     if (resultsComp.someFailed && !opts.noThrow) {