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| -rw-r--r-- | hadrian/stack.yaml | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/hadrian/stack.yaml b/hadrian/stack.yaml index c9324108ba..44acdf5246 100644 --- a/hadrian/stack.yaml +++ b/hadrian/stack.yaml @@ -12,3 +12,6 @@ nix: - git - ncurses - perl + +extra-deps: +- happy-1.20.0 |