diff --git a/.github/workflows/build-test-and-publish.yml b/.github/workflows/build-test-and-publish.yml
index dd32fca..50cdb28 100644
--- a/.github/workflows/build-test-and-publish.yml
+++ b/.github/workflows/build-test-and-publish.yml
@@ -13,6 +13,14 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v2
 
+      - name: Write SNK file
+        shell: pwsh
+        run: |
+          $env:SNK_BASE64 -split ' ' -join "`n" | Out-File -Encoding utf8 ./SharpToken/keypair.snk.base64.txt
+          certutil -decode ./SharpToken/keypair.snk.base64.txt ./SharpToken/keypair.snk
+        env:
+          SNK_BASE64: ${{ secrets.SNK_BASE64 }}
+
       - name: Setup .NET
         uses: actions/setup-dotnet@v1
         with: