diff --git a/lib/travis/build/script/csharp.rb b/lib/travis/build/script/csharp.rb
index f2eab1c22b..c746e17d8b 100644
--- a/lib/travis/build/script/csharp.rb
+++ b/lib/travis/build/script/csharp.rb
@@ -145,6 +145,9 @@ def install_dotnet
               sh.elif '$(lsb_release -cs) = bionic' do
                 sh.cmd "sudo sh -c \"echo 'deb [arch=amd64] https://packages.microsoft.com/ubuntu/18.04/prod bionic main' > /etc/apt/sources.list.d/dotnet-official.list\"", assert: true
               end
+              sh.elif '$(lsb_release -cs) = focal' do
+                sh.cmd "sudo sh -c \"echo 'deb [arch=amd64] https://packages.microsoft.com/ubuntu/20.04/prod focal main' > /etc/apt/sources.list.d/dotnet-official.list\"", assert: true
+              end
               sh.else do
                 sh.failure "The version of this operating system is not supported by .NET Core. View valid versions at https://docs.travis-ci.com/user/languages/csharp/"
               end
diff --git a/public/version-aliases/ghc.json b/public/version-aliases/ghc.json
index a149e37394..7f14e208d2 100644
--- a/public/version-aliases/ghc.json
+++ b/public/version-aliases/ghc.json
@@ -115,9 +115,9 @@
   "7.10.2": "7.10.2",
   "7.10.3": "7.10.3",
   "8.0.1": "8.0.1",
-  "8": "8.10.2",
-  "8.x": "8.10.2",
-  "8.x.x": "8.10.2",
+  "8": "8.10.3",
+  "8.x": "8.10.3",
+  "8.x.x": "8.10.3",
   "8.0.x": "8.0.2",
   "8.0": "8.0.2",
   "8.0.2": "8.0.2",
@@ -153,11 +153,12 @@
   "8.8.3": "8.8.3",
   "8.8.4": "8.8.4",
   "8.10.1-alpha1": "8.10.1-alpha1",
-  "8.10": "8.10.2",
+  "8.10": "8.10.3",
   "8.10.1-alpha2": "8.10.1-alpha2",
   "8.10.1": "8.10.1",
-  "8.10.x": "8.10.2",
+  "8.10.x": "8.10.3",
   "8.10.2": "8.10.2",
+  "8.10.3": "8.10.3",
   "9.0.1-alpha1": "9.0.1-alpha1",
   "9.0": "9.0.1-alpha1"
 }
\ No newline at end of file