diff --git a/.github/workflows/gem_release.yml b/.github/workflows/gem_release.yml
index 3353607..bed46a1 100644
--- a/.github/workflows/gem_release.yml
+++ b/.github/workflows/gem_release.yml
@@ -50,13 +50,13 @@ jobs:
       with:
         repository: DOCGroup/ACE_TAO
         path: ${{ env.DOC_ROOT }}
-        ref: Latest_ACE7TAO3_Micro
+        ref: Latest_ACE8TAO4_Micro
     - name: checkout MPC
       uses: actions/checkout@v4
       with:
         repository: DOCGroup/MPC
         path: ${{ env.MPC_ROOT }}
-        ref: Latest_ACE7TAO3_Micro
+        ref: Latest_ACE8TAO4_Micro
     - name: checkout ridl
       uses: actions/checkout@v4
       with:
diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index 7674149..0e89f4d 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -84,13 +84,13 @@ jobs:
       with:
         repository: DOCGroup/ACE_TAO
         path: ${{ env.DOC_ROOT }}
-        ref: Latest_ACE7TAO3_Micro
+        ref: Latest_ACE8TAO4_Micro
     - name: checkout MPC
       uses: actions/checkout@v4
       with:
         repository: DOCGroup/MPC
         path: ${{ env.MPC_ROOT }}
-        ref: Latest_ACE7TAO3_Micro
+        ref: Latest_ACE8TAO4_Micro
     - name: checkout ridl
       uses: actions/checkout@v4
       with:
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index a36687d..f9a33db 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -37,13 +37,13 @@ jobs:
       with:
         repository: DOCGroup/ACE_TAO
         path: ${{ env.DOC_ROOT }}
-        ref: Latest_ACE7TAO3_Micro
+        ref: Latest_ACE8TAO4_Micro
     - name: checkout MPC
       uses: actions/checkout@v4
       with:
         repository: DOCGroup/MPC
         path: ${{ env.MPC_ROOT }}
-        ref: Latest_ACE7TAO3_Micro
+        ref: Latest_ACE8TAO4_Micro
     - name: checkout ridl
       uses: actions/checkout@v4
       with: