diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a582feb..19b1001 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -18,7 +18,12 @@ jobs:
       - name: Test
         run: dotnet test
 
-      - name: Pack
+      - name: Pack NuGet packages (CI versions)
+        if: startsWith(github.ref, 'refs/heads/')
+        run: dotnet pack --configuration Release --output nupkgs --version-suffix "ci.$(date -u +%Y%m%dT%H%M%S)+sha.${GITHUB_SHA:0:9}" -p:ContinuousIntegrationBuild=true
+
+      - name: Pack NuGet packages (Release versions)
+        if: startsWith(github.ref, 'refs/tags/v')
         run: dotnet pack --configuration Release --output nupkgs -p:ContinuousIntegrationBuild=true
 
       - name: Upload artifacts