diff --git a/action.yml b/action.yml
index 0c06db86..ff3c0de8 100644
--- a/action.yml
+++ b/action.yml
@@ -7,19 +7,15 @@ branding:
 inputs:
   ubuntu-graphviz-version:
     description: |-
-      Graphviz version on Ubuntu.
+      graphviz version on Ubuntu.
     required: false
   ubuntu-libgraphvizdev-version:
     description: |-
       libgraphviz-dev version on Ubuntu.
     required: false
-  macos-graphviz-version:
-    description: |-
-      Graphviz version on macOS.
-    required: false
   windows-graphviz-version:
     description: |-
-      Graphviz version on Windows.
+      graphviz version on Windows.
     required: false
 
 runs:
diff --git a/lib/GraphvizInstaller.js b/lib/GraphvizInstaller.js
index 8246249d..04b91aa0 100644
--- a/lib/GraphvizInstaller.js
+++ b/lib/GraphvizInstaller.js
@@ -23,11 +23,10 @@ class GraphvizInstaller {
         }
     }
     async brewInstall() {
-        const graphvizVersion = (0, core_1.getInput)('macos-graphviz-version');
         await (0, exec_1.exec)('brew', ['update']);
         await (0, exec_1.exec)('brew', [
             'install',
-            graphvizVersion ? `graphviz@${graphvizVersion}` : 'graphviz',
+            'graphviz',
         ]);
     }
     async getAptInstall() {