diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f63672b65..431de9337 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -23,11 +23,14 @@ jobs:
           - id: Fedora 37
             CI_IMAGE: 'laufor/ci-images:cepgen-fedora37'
             cmakeExec: cmake3
-            packageInstall: [sudo dnf install -y /Package/build/*.rpm]
+            packageInstall: |
+              sudo dnf install -y /Package/build/*.rpm
           - id: CC7
             CI_IMAGE: 'laufor/ci-images:cepgen-cc7'
             cmakeExec: cmake3
             extraCommands: source scl_source enable devtoolset-8 || echo ignoring exit code so CI does not bomb when it should not > /dev/null
+            packageInstall: |
+              sudo yum install -y /Package/build/*.rpm
           - id: Ubuntu 20.04
             CI_IMAGE: 'laufor/ci-images:cepgen-ubuntu20'
             cmakeExec: cmake