diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 71c75e4b..44884002 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -32,6 +32,7 @@ jobs:
         uses: FirelyTeam/firely-terminal-pipeline@v0.4.0
         with:
           PATH_TO_CONFORMANCE_RESOURCES: Resources/fsh-generated/resources/
+          FIRELY_TERMINAL_VERSION: 3.1.0
           #PATH_TO_EXAMPLES: Examples
           #PATH_TO_QUALITY_CONTROL_RULES: qc/custom
           DOTNET_VALIDATION_ENABLED: true