diff --git a/.github/workflows/Crate-publishing.yml b/.github/workflows/Crate-publishing.yml
index b768a518..1ea7af45 100644
--- a/.github/workflows/Crate-publishing.yml
+++ b/.github/workflows/Crate-publishing.yml
@@ -26,12 +26,12 @@ jobs:
       matrix:
         config:
           - { 
-              os: windows-latest,
+              os: windows-2019,
               arch: x64,
               name: 'Windows x86_64'
             }
           - { 
-              os: windows-latest,
+              os: windows-2019,
               arch: x32,
               name: 'Windows x86'
             }
diff --git a/.github/workflows/PyPI-publishing.yml b/.github/workflows/PyPI-publishing.yml
index 81043388..f2411c70 100644
--- a/.github/workflows/PyPI-publishing.yml
+++ b/.github/workflows/PyPI-publishing.yml
@@ -23,13 +23,13 @@ jobs:
       matrix:
         config:
           - { 
-              os: windows-latest,
+              os: windows-2019,
               arch: x64,
               python-ver: '3.8',
               name: 'win_amd64'
             }
           - { 
-              os: windows-latest,
+              os: windows-2019,
               arch: x32,
               python-ver: '3.8',
               name: 'win32'