diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 1074d2c..99f838f 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -27,7 +27,7 @@ jobs:
       - name: Release to maven central
         if: github.ref_name == 'master' && github.event_name != 'pull_request' && github.repository == 'swisspost/kobuka'
         run: |
-          curl -s get.sdkman.io | bash
+          curl -s https://get.sdkman.io | bash
           source "$HOME/.sdkman/bin/sdkman-init.sh"
           sdk install groovy 3.0.8