diff --git a/.gitignore b/.gitignore
index c0e4f485..db811e1f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,7 +2,7 @@ bin
 obj
 packages
 *.suo
-*.nupkg
+*.*nupkg
 *.DotSettings.user
 *.xproj.user
 .vs
diff --git a/appveyor.yml b/appveyor.yml
index b541e7e1..e5b81d98 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -15,4 +15,4 @@ test_script:
   - cmd: call cmd /C "cd .\build & test.cmd"
 
 artifacts:
-  - path: '**\*.nupkg'
\ No newline at end of file
+  - path: '**\*.*nupkg'
\ No newline at end of file
diff --git a/src/Flurl.Http/Flurl.Http.csproj b/src/Flurl.Http/Flurl.Http.csproj
index b207459e..78be02a3 100644
--- a/src/Flurl.Http/Flurl.Http.csproj
+++ b/src/Flurl.Http/Flurl.Http.csproj
@@ -18,11 +18,16 @@
   </PropertyGroup>
 
   <PropertyGroup>
-    <AllowedOutputExtensionsInPackageBuildOutputFolder>$(AllowedOutputExtensionsInPackageBuildOutputFolder);.pdb</AllowedOutputExtensionsInPackageBuildOutputFolder>
     <EmbedUntrackedSources>true</EmbedUntrackedSources>
+    <IncludeSymbols>true</IncludeSymbols>
+    <SymbolPackageFormat>snupkg</SymbolPackageFormat>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
   </PropertyGroup>
 
+  <PropertyGroup Condition="'$(APPVEYOR)' == 'true'">
+    <ContinuousIntegrationBuild>true</ContinuousIntegrationBuild>
+  </PropertyGroup>
+
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
     <DocumentationFile>bin\Release\Flurl.xml</DocumentationFile>
   </PropertyGroup>
diff --git a/src/Flurl/Flurl.csproj b/src/Flurl/Flurl.csproj
index 8f7c93de..229a84ac 100644
--- a/src/Flurl/Flurl.csproj
+++ b/src/Flurl/Flurl.csproj
@@ -18,11 +18,16 @@
   </PropertyGroup>
 
   <PropertyGroup>
-    <AllowedOutputExtensionsInPackageBuildOutputFolder>$(AllowedOutputExtensionsInPackageBuildOutputFolder);.pdb</AllowedOutputExtensionsInPackageBuildOutputFolder>
     <EmbedUntrackedSources>true</EmbedUntrackedSources>
+    <IncludeSymbols>true</IncludeSymbols>
+    <SymbolPackageFormat>snupkg</SymbolPackageFormat>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
   </PropertyGroup>
 
+  <PropertyGroup Condition="'$(APPVEYOR)' == 'true'">
+    <ContinuousIntegrationBuild>true</ContinuousIntegrationBuild>
+  </PropertyGroup>
+
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
     <DocumentationFile>bin\Release\Flurl.xml</DocumentationFile>
   </PropertyGroup>