diff --git a/.github/workflows/publish-nuget.yml b/.github/workflows/publish-nuget.yml
index 4df4f6ee..fb7c6545 100644
--- a/.github/workflows/publish-nuget.yml
+++ b/.github/workflows/publish-nuget.yml
@@ -11,6 +11,6 @@ jobs:
     with:
       # Don't generate any symbol package because we're not including the Lombiq.Analyzers.dll in the NuGet package
       # itself, either. See Invoke-BeforePack.ps1 for details.
-      dotnet-pack-include-symbols: "false"
+      dotnet-pack-include-symbols: 'false'
     secrets:
       API_KEY: ${{ secrets.DEFAULT_NUGET_PUBLISH_API_KEY }}
diff --git a/.github/workflows/test-analysis-failure.yml b/.github/workflows/test-analysis-failure.yml
index e9959cd4..2e9a4b0f 100644
--- a/.github/workflows/test-analysis-failure.yml
+++ b/.github/workflows/test-analysis-failure.yml
@@ -12,7 +12,7 @@ jobs:
     name: Test Analysis Failure - NuGet PackageReference
     uses: Lombiq/GitHub-Actions/.github/workflows/test-analysis-failure.yml@dev
     with:
-      machine-types: "[\"ubuntu-latest\", \"windows-latest\"]"
+      machine-types: "['ubuntu-latest', 'windows-latest']"
       build-directory: TestSolutions/Lombiq.Analyzers.PackageReference
       timeout-minutes: 30
       build-expected-code-analysis-errors: |
@@ -25,7 +25,7 @@ jobs:
     name: Test Analysis Failure - Local ProjectReference
     uses: Lombiq/GitHub-Actions/.github/workflows/test-analysis-failure.yml@dev
     with:
-      machine-types: "[\"ubuntu-latest\", \"windows-latest\"]"
+      machine-types: "['ubuntu-latest', 'windows-latest']"
       build-directory: TestSolutions/Lombiq.Analyzers.ProjectReference
       timeout-minutes: 30
       build-expected-code-analysis-errors: |