diff --git a/src/Runner.Common/Runner.Common.csproj b/src/Runner.Common/Runner.Common.csproj
index 38b15a7b2..fbd7da060 100644
--- a/src/Runner.Common/Runner.Common.csproj
+++ b/src/Runner.Common/Runner.Common.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
     <OutputType>Library</OutputType>
     <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm64;linux-arm;osx-x64</RuntimeIdentifiers>
     <TargetLatestRuntimePatch>true</TargetLatestRuntimePatch>
diff --git a/src/Runner.Listener/Runner.Listener.csproj b/src/Runner.Listener/Runner.Listener.csproj
index 3b21c2ffa..925be1acd 100644
--- a/src/Runner.Listener/Runner.Listener.csproj
+++ b/src/Runner.Listener/Runner.Listener.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
     <OutputType>Exe</OutputType>
     <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm64;linux-arm;osx-x64</RuntimeIdentifiers>
     <TargetLatestRuntimePatch>true</TargetLatestRuntimePatch>
diff --git a/src/Runner.PluginHost/Runner.PluginHost.csproj b/src/Runner.PluginHost/Runner.PluginHost.csproj
index e76872ef3..9d6913209 100644
--- a/src/Runner.PluginHost/Runner.PluginHost.csproj
+++ b/src/Runner.PluginHost/Runner.PluginHost.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
     <OutputType>Exe</OutputType>
     <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm64;linux-arm;osx-x64</RuntimeIdentifiers>
     <TargetLatestRuntimePatch>true</TargetLatestRuntimePatch>
diff --git a/src/Runner.Plugins/Runner.Plugins.csproj b/src/Runner.Plugins/Runner.Plugins.csproj
index e9560a28b..7719ee49f 100644
--- a/src/Runner.Plugins/Runner.Plugins.csproj
+++ b/src/Runner.Plugins/Runner.Plugins.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
     <OutputType>Library</OutputType>
     <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm64;linux-arm;osx-x64</RuntimeIdentifiers>
     <TargetLatestRuntimePatch>true</TargetLatestRuntimePatch>
diff --git a/src/Runner.Sdk/Runner.Sdk.csproj b/src/Runner.Sdk/Runner.Sdk.csproj
index 4d4bbbe52..26f1582e7 100644
--- a/src/Runner.Sdk/Runner.Sdk.csproj
+++ b/src/Runner.Sdk/Runner.Sdk.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
     <OutputType>Library</OutputType>
     <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm64;linux-arm;osx-x64</RuntimeIdentifiers>
     <TargetLatestRuntimePatch>true</TargetLatestRuntimePatch>
diff --git a/src/Runner.Worker/Runner.Worker.csproj b/src/Runner.Worker/Runner.Worker.csproj
index 5e4e5216b..d4cc3d815 100644
--- a/src/Runner.Worker/Runner.Worker.csproj
+++ b/src/Runner.Worker/Runner.Worker.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
     <OutputType>Exe</OutputType>
     <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm64;linux-arm;osx-x64</RuntimeIdentifiers>
     <TargetLatestRuntimePatch>true</TargetLatestRuntimePatch>
diff --git a/src/Sdk/Sdk.csproj b/src/Sdk/Sdk.csproj
index ae11fd81f..bf0c08756 100644
--- a/src/Sdk/Sdk.csproj
+++ b/src/Sdk/Sdk.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>netcoreapp3.0</TargetFramework>
+        <TargetFramework>netcoreapp3.1</TargetFramework>
         <OutputType>Library</OutputType>
         <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm64;linux-arm;osx-x64</RuntimeIdentifiers>
         <TargetLatestRuntimePatch>true</TargetLatestRuntimePatch>
diff --git a/src/Test/Test.csproj b/src/Test/Test.csproj
index 8f6354852..e6905589d 100644
--- a/src/Test/Test.csproj
+++ b/src/Test/Test.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
-        <TargetFramework>netcoreapp3.0</TargetFramework>
+        <TargetFramework>netcoreapp3.1</TargetFramework>
         <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm64;linux-arm;osx-x64</RuntimeIdentifiers>
         <TargetLatestRuntimePatch>true</TargetLatestRuntimePatch>
         <AssetTargetFallback>portable-net45+win8</AssetTargetFallback>
diff --git a/src/dev.sh b/src/dev.sh
index 8cd3871e0..10187a5f7 100755
--- a/src/dev.sh
+++ b/src/dev.sh
@@ -17,7 +17,7 @@ LAYOUT_DIR="$SCRIPT_DIR/../_layout"
 DOWNLOAD_DIR="$SCRIPT_DIR/../_downloads/netcore2x"
 PACKAGE_DIR="$SCRIPT_DIR/../_package"
 DOTNETSDK_ROOT="$SCRIPT_DIR/../_dotnetsdk"
-DOTNETSDK_VERSION="3.0.100"
+DOTNETSDK_VERSION="3.1.100"
 DOTNETSDK_INSTALLDIR="$DOTNETSDK_ROOT/$DOTNETSDK_VERSION"
 RUNNER_VERSION=$(cat runnerversion)
 
diff --git a/src/global.json b/src/global.json
index 2223a05e3..7c332016b 100644
--- a/src/global.json
+++ b/src/global.json
@@ -1,5 +1,5 @@
 {
   "sdk": {
-    "version": "3.0.100"
+    "version": "3.1.100"
   }
 }
\ No newline at end of file