diff --git a/.travis.yml b/.travis.yml
index 0cfbc6d..27402d3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,6 +20,12 @@ jobs:
 
     - stage: deploy
       if: tag =~ ^v\d+\.\d+\.\d+
+      before_install:
+        - wget https://packages.microsoft.com/config/ubuntu/18.04/packages-microsoft-prod.deb -O packages-microsoft-prod.deb
+        - sudo dpkg -i packages-microsoft-prod.deb
+        - sudo apt-get update
+        - sudo apt-get install -y dotnet-sdk-3.1
+        - sudo apt-get install -y dotnet-sdk-2.1      
       mono: none
       script:
         - VERSION=$(echo $TRAVIS_TAG | grep -i -P -o '(?<=^v)\d+\.\d+\.\d+(?:.+)?$'); VERSION_NUMBER=$(echo $VERSION | grep -i -P -o '^\d+\.\d+\.\d+')