diff --git a/.github/workflows/ci_sh_def.yml b/.github/workflows/ci_sh_def.yml
index deae0060a..ad016a2b5 100644
--- a/.github/workflows/ci_sh_def.yml
+++ b/.github/workflows/ci_sh_def.yml
@@ -185,7 +185,7 @@ jobs:
     # MSVC, but for now, this action works:
     - name: Prepare compiler environment for Windows 🐍 2.7
       if: matrix.python == 2.7 && runner.os == 'Windows'
-      uses: ilammy/msvc-dev-cmd@v1.9.0
+      uses: ilammy/msvc-dev-cmd@v1.10.0
       with:
         arch: x64
 
@@ -784,7 +784,7 @@ jobs:
       uses: jwlawson/actions-setup-cmake@v1.11
 
     - name: Prepare MSVC
-      uses: ilammy/msvc-dev-cmd@v1.9.0
+      uses: ilammy/msvc-dev-cmd@v1.10.0
       with:
         arch: x86
 
@@ -831,7 +831,7 @@ jobs:
       uses: jwlawson/actions-setup-cmake@v1.11
 
     - name: Prepare MSVC
-      uses: ilammy/msvc-dev-cmd@v1.9.0
+      uses: ilammy/msvc-dev-cmd@v1.10.0
       with:
         toolset: 14.0
 
diff --git a/.github/workflows/ci_sh_def.yml.patch b/.github/workflows/ci_sh_def.yml.patch
index b6e1db930..4bdb2fc21 100644
--- a/.github/workflows/ci_sh_def.yml.patch
+++ b/.github/workflows/ci_sh_def.yml.patch
@@ -1,5 +1,5 @@
---- ci.yml	2021-10-06 00:50:45.377210798 -0700
-+++ ci_sh_def.yml	2021-10-06 00:51:20.843612007 -0700
+--- ci.yml	2021-10-11 13:18:34.061740320 -0700
++++ ci_sh_def.yml	2021-10-11 13:20:02.319713610 -0700
 @@ -1,4 +1,16 @@
 -name: CI-SH-AVL
 +# PLEASE KEEP THIS GROUP OF FILES IN SYNC AT ALL TIMES: