diff --git a/.circleci/config.yml b/.circleci/config.yml
index 30c1341..e7978c2 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -3,7 +3,7 @@ version: 2.1
 defaults: &defaults
   working_directory: ~/repo
   docker:
-    - image: mcr.microsoft.com/dotnet/core/sdk:2.2
+    - image: mcr.microsoft.com/dotnet/core/sdk:3.0
       environment:
         DOTNET_SKIP_FIRST_TIME_EXPERIENCE: 1
         DOTNET_CLI_TELEMETRY_OPTOUT: 1