diff --git a/.bazelrc b/.bazelrc
index b98d11bae7..5e52904411 100644
--- a/.bazelrc
+++ b/.bazelrc
@@ -83,7 +83,7 @@ build:ci-windows-bindist --config=windows-bindist
 #   this rule is missing dependency declarations for the following files included by 'tests/runfiles/main.cc':
 #     '.../execroot/rules_haskell/external/rules_haskell_ghc_windows_amd64/mingw/include/c++/9.2.0/cstdlib'
 #     '.../execroot/rules_haskell/external/rules_haskell_ghc_windows_amd64/mingw/include/c++/9.2.0/x86_64-w64-mingw32/bits/c++config.h'
-build:ci-windows-bindist --remote_default_exec_properties=cache-silo-key=windows-v2
+build:ci-windows-bindist --remote_default_exec_properties=cache-silo-key=windows-v3
 
 # XXX: @com_google_protobuf sets `use_default_shell_env = True`, so we enable
 #   strict action env to avoid changes in `PATH` invalidating the cache.
diff --git a/.github/workflows/workflow.yaml b/.github/workflows/workflow.yaml
index b93874d3f3..bc7f7b6da6 100644
--- a/.github/workflows/workflow.yaml
+++ b/.github/workflows/workflow.yaml
@@ -11,6 +11,7 @@ env:
 
 jobs:
   test-nixpkgs:
+    if: false
     name: Build & Test - Nixpkgs
     strategy:
       fail-fast: false
@@ -82,6 +83,7 @@ jobs:
             '
 
   test-nixpkgs-cross:
+    if: false
     name: Build & Test - Cross
     runs-on: ubuntu-latest
     steps:
@@ -134,7 +136,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-11, windows-latest]
+        os: [windows-latest]
         module: [rules_haskell, rules_haskell_tests]
     runs-on: ${{ matrix.os }}
     steps: