diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0659b0787..140334793 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,7 +6,7 @@ env:
   CONFIGURATION: Release
   DOTNET_CLI_TELEMETRY_OPTOUT: 1
   DOTNET_NOLOGO: 1
-  DOTNET_SDK_VERSION: 5.0.100
+  DOTNET_SDK_VERSION: 5.0.x
   NET_CORE_VERSION: net5.0
   NET_FRAMEWORK_VERSION: net48
   NODE_JS_VERSION: 12
diff --git a/appveyor.yml b/appveyor.yml
index caa6ba27e..b6607bf11 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -6,11 +6,11 @@ image: Visual Studio 2019
 configuration: Release
 clone_depth: 10
 environment:
-#  DOTNET_CHANNEL: 5.0
+  DOTNET_CHANNEL: 5.0
   DOTNET_CLI_TELEMETRY_OPTOUT: true
   DOTNET_INSTALL_DIR: C:\Program Files\dotnet
   DOTNET_NOLOGO: true
-  DOTNET_SDK: 5.0.100
+#  DOTNET_SDK: 5.0.103
   NET_CORE_VERSION: net5.0
   NET_FRAMEWORK_VERSION: net48
   NODE_JS_VERSION: lts