diff --git a/Source/Extras/Exceptionless.Extras.csproj b/Source/Extras/Exceptionless.Extras.csproj
index 49db358c..7e604d85 100644
--- a/Source/Extras/Exceptionless.Extras.csproj
+++ b/Source/Extras/Exceptionless.Extras.csproj
@@ -36,6 +36,7 @@
prompt
4
bin\Release\$(TargetFrameworkVersion)\Exceptionless.Extras.xml
+ 1591
diff --git a/Source/Platforms/Log4net/Exceptionless.Log4net.csproj b/Source/Platforms/Log4net/Exceptionless.Log4net.csproj
index a20177fa..bb46fb88 100644
--- a/Source/Platforms/Log4net/Exceptionless.Log4net.csproj
+++ b/Source/Platforms/Log4net/Exceptionless.Log4net.csproj
@@ -36,6 +36,7 @@
prompt
4
bin\Release\$(TargetFrameworkVersion)\Exceptionless.Log4net.xml
+ 1591
diff --git a/Source/Platforms/NLog/Exceptionless.NLog.csproj b/Source/Platforms/NLog/Exceptionless.NLog.csproj
index bd727fe5..4f57c27c 100644
--- a/Source/Platforms/NLog/Exceptionless.NLog.csproj
+++ b/Source/Platforms/NLog/Exceptionless.NLog.csproj
@@ -39,6 +39,7 @@
4
bin\Release\$(TargetFrameworkVersion)\Exceptionless.NLog.xml
false
+ 1591
diff --git a/Source/Platforms/Nancy/Exceptionless.Nancy.csproj b/Source/Platforms/Nancy/Exceptionless.Nancy.csproj
index 758445b0..6012a762 100644
--- a/Source/Platforms/Nancy/Exceptionless.Nancy.csproj
+++ b/Source/Platforms/Nancy/Exceptionless.Nancy.csproj
@@ -31,6 +31,7 @@
TRACE
prompt
4
+ 1591
v4.0
diff --git a/Source/Shared/Exceptionless.Portable.csproj b/Source/Shared/Exceptionless.Portable.csproj
index a4eef71f..b7eb1a19 100644
--- a/Source/Shared/Exceptionless.Portable.csproj
+++ b/Source/Shared/Exceptionless.Portable.csproj
@@ -43,6 +43,7 @@
prompt
4
bin\Release\$(TargetFrameworkVersion)\Exceptionless.Portable.xml
+ 1591