diff --git a/.github/workflows/compatibility_tests.yml b/.github/workflows/compatibility_tests.yml
index 4978c4192..0f76ffab8 100644
--- a/.github/workflows/compatibility_tests.yml
+++ b/.github/workflows/compatibility_tests.yml
@@ -15,7 +15,10 @@ jobs:
         os: [macos-15]
         xcode-version: ["16.4"]
         release: [2024]
-    runs-on: ${{ matrix.os }}
+    # Limit to self-hosted to reduce action cost
+    runs-on:
+      - self-hosted
+      - ${{ matrix.os }}
     env:
       OPENSWIFTUI_WERROR: 0 # Disable it to avoid enable OAG's werror and hit conflicts
       OPENSWIFTUI_OPENATTRIBUTESHIMS_ATTRIBUTEGRAPH: 1
@@ -66,7 +69,10 @@ jobs:
         include:
           - ios-version: "18.5"
             ios-simulator-name: "iPhone 16 Pro"
-    runs-on: ${{ matrix.os }}
+    # Limit to self-hosted to reduce action cost
+    runs-on:
+      - self-hosted
+      - ${{ matrix.os }}
     env:
       OPENSWIFTUI_WERROR: 0 # Disable it to avoid enable OAG's werror and hit conflicts
       OPENSWIFTUI_OPENATTRIBUTESHIMS_ATTRIBUTEGRAPH: 1
diff --git a/.github/workflows/ios.yml b/.github/workflows/ios.yml
index d800e74c3..a919fdc04 100644
--- a/.github/workflows/ios.yml
+++ b/.github/workflows/ios.yml
@@ -19,7 +19,10 @@ jobs:
         include:
           - ios-version: "18.5"
             ios-simulator-name: "iPhone 16 Pro"
-    runs-on: ${{ matrix.os }}
+    # Limit to self-hosted to reduce action cost
+    runs-on:
+      - self-hosted
+      - ${{ matrix.os }}
     env:
       OPENSWIFTUI_WERROR: 0 # Disable it to avoid enable OAG's werror and hit conflicts
       OPENSWIFTUI_OPENATTRIBUTESHIMS_ATTRIBUTEGRAPH: 1
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 2ed7391ff..de85596d9 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -15,7 +15,10 @@ jobs:
         os: [macos-15]
         xcode-version: ["16.4"]
         release: [2024]
-    runs-on: ${{ matrix.os }}
+    # Limit to self-hosted to reduce action cost
+    runs-on:
+      - self-hosted
+      - ${{ matrix.os }}
     env:
       OPENSWIFTUI_WERROR: 0 # Disable it to avoid enable OAG's werror and hit conflicts
       OPENSWIFTUI_OPENATTRIBUTESHIMS_ATTRIBUTEGRAPH: 1
diff --git a/.github/workflows/uitests.yml b/.github/workflows/uitests.yml
index 2322f8cd0..35a790f4f 100644
--- a/.github/workflows/uitests.yml
+++ b/.github/workflows/uitests.yml
@@ -19,7 +19,10 @@ jobs:
         include:
           - ios-version: "18.5"
             ios-simulator-name: "iPhone 16 Pro"
-    runs-on: ${{ matrix.os }}
+    # Limit to self-hosted to reduce action cost
+    runs-on:
+      - self-hosted
+      - ${{ matrix.os }}
     env:
       OPENSWIFTUI_WERROR: 0 # Disable it to avoid enable OAG's werror and hit conflicts
       OPENSWIFTUI_OPENATTRIBUTESHIMS_ATTRIBUTEGRAPH: 1
@@ -59,7 +62,10 @@ jobs:
         os: [macos-15]
         xcode-version: ["16.4"]
         release: [2024]
-    runs-on: ${{ matrix.os }}
+    # Limit to self-hosted to reduce action cost
+    runs-on:
+      - self-hosted
+      - ${{ matrix.os }}
     env:
       OPENSWIFTUI_WERROR: 0
       OPENSWIFTUI_OPENATTRIBUTESHIMS_ATTRIBUTEGRAPH: 1