Install Cabal library

diff --git a/.github/workflows/haskell.yml b/.github/workflows/haskell.yml
index 76e1cbc6697ae9f87f562ed456bfde6e83cd9d82..e02750059b2461b1606d114f7cab69604fc67a9c 100644 (file)
--- a/.github/workflows/haskell.yml
+++ b/.github/workflows/haskell.yml
@@ -47,6 +47,7 @@ jobs:
         cabal install hoogle
         hoogle generate
         popd
+        cabal v1-install Cabal --constraint "Cabal == 3.0.0.0"
     - name: Install JS Language Server
       run: npm install javascript-typescript-langserver
     - name: Build