diff --git a/setup-pandoc/lib/setup-pandoc.js b/setup-pandoc/lib/setup-pandoc.js
index a079e8ca..d73a0082 100644
--- a/setup-pandoc/lib/setup-pandoc.js
+++ b/setup-pandoc/lib/setup-pandoc.js
@@ -87,7 +87,9 @@ exports.getPandoc = getPandoc;
 function installPandocMac(version) {
     var _a;
     return __awaiter(this, void 0, void 0, function* () {
-        const fileName = util.format("pandoc-%s-macOS.pkg", version);
+        // Since 3.1.2, Pandoc uses cabal instead of stack to build the macOS binary.
+        const is_new_macos_installer = (0, compare_versions_1.compare)(version, "3.1.2", ">=") ? true : false;
+        const fileName = is_new_macos_installer ? util.format("pandoc-%s-x86_64-macOS.pkg", version) : util.format("pandoc-%s-macOS.pkg", version);
         const downloadUrl = util.format("https://github.com/jgm/pandoc/releases/download/%s/%s", version, fileName);
         let downloadPath;
         try {
diff --git a/setup-pandoc/src/setup-pandoc.ts b/setup-pandoc/src/setup-pandoc.ts
index 2ea4dadb..a00099c8 100644
--- a/setup-pandoc/src/setup-pandoc.ts
+++ b/setup-pandoc/src/setup-pandoc.ts
@@ -48,7 +48,10 @@ export function getPandoc(version: string): Promise<void> {
 }
 
 async function installPandocMac(version: string): Promise<void> {
-  const fileName = util.format("pandoc-%s-macOS.pkg", version);
+  // Since 3.1.2, Pandoc uses cabal instead of stack to build the macOS binary.
+  const is_new_macos_installer = compare(version, "3.1.2", ">=") ? true : false;
+  const fileName = is_new_macos_installer ? util.format("pandoc-%s-x86_64-macOS.pkg", version) : util.format("pandoc-%s-macOS.pkg", version);
+
   const downloadUrl = util.format(
     "https://github.com/jgm/pandoc/releases/download/%s/%s",
     version,