diff --git a/.github/workflows/nightly_build_matrix_on_dispatch.json b/.github/workflows/nightly_build_matrix_on_dispatch.json
index 56c6c72cdb..fd7dc85315 100644
--- a/.github/workflows/nightly_build_matrix_on_dispatch.json
+++ b/.github/workflows/nightly_build_matrix_on_dispatch.json
@@ -11,7 +11,7 @@
     "runOnEvent":"workflow_dispatch"
   },
   {
-    "os":"macos-latest",
+    "os":"custom-runner-mac-m1",
     "rust":"stable",
     "runOnEvent":"workflow_dispatch"
   },
@@ -27,7 +27,7 @@
     "runOnEvent":"workflow_dispatch"
   },
   {
-    "os":"macos-latest",
+    "os":"custom-runner-mac-m1",
     "rust":"beta",
     "runOnEvent":"workflow_dispatch"
   },
@@ -43,7 +43,7 @@
     "runOnEvent":"workflow_dispatch"
   },
   {
-    "os":"macos-latest",
+    "os":"custom-runner-mac-m1",
     "rust":"nightly",
     "runOnEvent":"workflow_dispatch"
   }