diff --git a/.github/workflows/lockfile.yml b/.github/workflows/lockfile.yml
index 3f74bbaf9..b084bb0f4 100644
--- a/.github/workflows/lockfile.yml
+++ b/.github/workflows/lockfile.yml
@@ -34,12 +34,12 @@ jobs:
       fail-fast: false
       matrix:
         sys:
-        - os: windows-latest
-          shell: msys2 {0}
-          distutils: stdlib
-        - os: ubuntu-latest
-          shell: bash
-          distutils: local
+        #~ - os: windows-latest
+          #~ shell: msys2 {0}
+          #~ distutils: stdlib
+        #~ - os: ubuntu-latest
+          #~ shell: bash
+          #~ distutils: local
         - os: macos-latest
           shell: bash
           distutils: local
@@ -61,11 +61,11 @@ jobs:
         - 1.3.0
         - 1.2.2
 
-        exclude:
-          # Poetry bug #8338 (ImportError: atomic_open from requests.utils)
-          - sys:
-              os: ubuntu-latest
-            poetVers: 1.6.0
+        #~ exclude:
+          #~ # Poetry bug #8338 (ImportError: atomic_open from requests.utils)
+          #~ - sys:
+              #~ os: ubuntu-latest
+            #~ poetVers: 1.6.0
 
     steps:
 
@@ -100,6 +100,16 @@ jobs:
       run: |
         sudo apt-get install libasound2-dev
 
+    # On macOS systems, pip is maintained "externally" via homebrew, and so refuses to update
+    # itself or install anything directly. As this is a CI system, we can safely ignore this.
+    - name: Configure pip
+      if: ${{ startsWith(matrix.sys.os, 'macos') }}
+      run: |
+        python3 -m pip config list
+        python3 -m pip config --local set global.user true
+        python3 -m pip config --local set global.break-system-packages true
+        python3 -m pip config list
+
     - name: Update pip
       run: |
         python3 -m pip install -U pip