diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..cca870f
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,7 @@
+language: csharp
+mono: latest
+dotnet: 2.1.3 # .NET Core
+script:
+  - ./build.sh
+
+
diff --git a/Okta.AspNet.Abstractions/Okta.AspNet.Abstractions.csproj b/Okta.AspNet.Abstractions/Okta.AspNet.Abstractions.csproj
index c15c050..3e6bee2 100644
--- a/Okta.AspNet.Abstractions/Okta.AspNet.Abstractions.csproj
+++ b/Okta.AspNet.Abstractions/Okta.AspNet.Abstractions.csproj
@@ -2,6 +2,7 @@
 
   <PropertyGroup>
     <TargetFrameworks>net452;netstandard2.0</TargetFrameworks>
+    <TargetFrameworks Condition="'$(OS)' != 'Windows_NT'">netstandard2.0</TargetFrameworks>
     <Version>1.0.0-beta01</Version>
   </PropertyGroup>
 
diff --git a/build.cake b/build.cake
index e7abe42..83beac6 100644
--- a/build.cake
+++ b/build.cake
@@ -1,16 +1,17 @@
 var target = Argument("target", "Default");
 var configuration = Argument("configuration", "Release");
 
+// Ignoring .NET 4.5.2 projects as it is causing issues with travis.
+// https://github.com/okta/okta-aspnet/issues/40
 var Projects = new List<string>()
 {
-	"Okta.AspNet.Abstractions",
+    "Okta.AspNet.Abstractions",
     "Okta.AspNet.Abstractions.Test",
-    "Okta.AspNet",
-	"Okta.AspNet.Test",
-	"Okta.AspNetCore",
-	"Okta.AspNetCore.Test"
+    //"Okta.AspNet",
+    //"Okta.AspNet.Test",
+    "Okta.AspNetCore",
+    "Okta.AspNetCore.Test"
 };
-
 Task("Clean").Does(() =>
 {
     Console.WriteLine("Removing ./artifacts");
@@ -22,7 +23,6 @@ Task("Clean").Does(() =>
         .ToList()
         .ForEach(d => CleanDirectory(d));
 });
-
 Task("Restore")
 .IsDependentOn("Clean")
 .Does(() =>
@@ -33,7 +33,6 @@ Task("Restore")
         DotNetCoreRestore($"./{name}");
     });
 });
-
 Task("Build")
 .IsDependentOn("Restore")
 .Does(() =>
@@ -41,14 +40,12 @@ Task("Build")
     Projects.ForEach(name =>
     {
         Console.WriteLine($"\nBuilding {name}");
-
         DotNetCoreBuild($"./{name}", new DotNetCoreBuildSettings
         {
             Configuration = configuration
         });
     });
 });
-
 Task("RunTests")
 .IsDependentOn("Restore")
 .IsDependentOn("Build")
@@ -61,8 +58,6 @@ Task("RunTests")
         DotNetCoreTest(string.Format("./{0}/{0}.csproj", name));
     });
 });
-
-
 Task("PackNuget")
 .IsDependentOn("RunTests")
 .Does(() =>
@@ -81,13 +76,11 @@ Task("PackNuget")
         });
     });
 });
-
 Task("Default")
     .IsDependentOn("Clean")
     .IsDependentOn("Restore")
     .IsDependentOn("Build")
     .IsDependentOn("RunTests")
     .IsDependentOn("PackNuget");
-
 // Run the specified (or default) target
 RunTarget(target);
diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..58e86f6
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,101 @@
+#!/usr/bin/env bash
+
+##########################################################################
+# This is the Cake bootstrapper script for Linux and OS X.
+# This file was downloaded from https://github.com/cake-build/resources
+# Feel free to change this file to fit your needs.
+##########################################################################
+
+# Define directories.
+SCRIPT_DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
+TOOLS_DIR=$SCRIPT_DIR/tools
+NUGET_EXE=$TOOLS_DIR/nuget.exe
+CAKE_EXE=$TOOLS_DIR/Cake/Cake.exe
+PACKAGES_CONFIG=$TOOLS_DIR/packages.config
+PACKAGES_CONFIG_MD5=$TOOLS_DIR/packages.config.md5sum
+
+# Define md5sum or md5 depending on Linux/OSX
+MD5_EXE=
+if [[ "$(uname -s)" == "Darwin" ]]; then
+    MD5_EXE="md5 -r"
+else
+    MD5_EXE="md5sum"
+fi
+
+# Define default arguments.
+SCRIPT="build.cake"
+TARGET="Default"
+CONFIGURATION="Release"
+VERBOSITY="verbose"
+DRYRUN=
+SHOW_VERSION=false
+SCRIPT_ARGUMENTS=()
+
+# Parse arguments.
+for i in "$@"; do
+    case $1 in
+        -s|--script) SCRIPT="$2"; shift ;;
+        -t|--target) TARGET="$2"; shift ;;
+        -c|--configuration) CONFIGURATION="$2"; shift ;;
+        -v|--verbosity) VERBOSITY="$2"; shift ;;
+        -d|--dryrun) DRYRUN="-dryrun" ;;
+        --version) SHOW_VERSION=true ;;
+        --) shift; SCRIPT_ARGUMENTS+=("$@"); break ;;
+        *) SCRIPT_ARGUMENTS+=("$1") ;;
+    esac
+    shift
+done
+
+# Make sure the tools folder exist.
+if [ ! -d "$TOOLS_DIR" ]; then
+  mkdir "$TOOLS_DIR"
+fi
+
+# Make sure that packages.config exist.
+if [ ! -f "$TOOLS_DIR/packages.config" ]; then
+    echo "Downloading packages.config..."
+    curl -Lsfo "$TOOLS_DIR/packages.config" http://cakebuild.net/download/bootstrapper/packages
+    if [ $? -ne 0 ]; then
+        echo "An error occured while downloading packages.config."
+        exit 1
+    fi
+fi
+
+# Download NuGet if it does not exist.
+if [ ! -f "$NUGET_EXE" ]; then
+    echo "Downloading NuGet..."
+    curl -Lsfo "$NUGET_EXE" https://dist.nuget.org/win-x86-commandline/latest/nuget.exe
+    if [ $? -ne 0 ]; then
+        echo "An error occured while downloading nuget.exe."
+        exit 1
+    fi
+fi
+
+# Restore tools from NuGet.
+pushd "$TOOLS_DIR" >/dev/null
+if [ ! -f $PACKAGES_CONFIG_MD5 ] || [ "$( cat $PACKAGES_CONFIG_MD5 | sed 's/\r$//' )" != "$( $MD5_EXE $PACKAGES_CONFIG | awk '{ print $1 }' )" ]; then
+    find . -type d ! -name . | xargs rm -rf
+fi
+
+mono "$NUGET_EXE" install -ExcludeVersion
+if [ $? -ne 0 ]; then
+    echo "Could not restore NuGet packages."
+    exit 1
+fi
+
+$MD5_EXE $PACKAGES_CONFIG | awk '{ print $1 }' >| $PACKAGES_CONFIG_MD5
+
+popd >/dev/null
+
+# Make sure that Cake has been installed.
+if [ ! -f "$CAKE_EXE" ]; then
+    echo "Could not find Cake.exe at '$CAKE_EXE'."
+    exit 1
+fi
+
+# Start Cake
+if $SHOW_VERSION; then
+    exec mono "$CAKE_EXE" -version
+else
+    exec mono "$CAKE_EXE" $SCRIPT -verbosity=$VERBOSITY -configuration=$CONFIGURATION -target=$TARGET $DRYRUN "${SCRIPT_ARGUMENTS[@]}"
+fi