diff --git a/.github/scripts/env.sh b/.github/scripts/env.sh
index 2d8c697..e5bafd9 100644
--- a/.github/scripts/env.sh
+++ b/.github/scripts/env.sh
@@ -12,7 +12,7 @@ fi
 export PATH="$HOME/.local/bin:$PATH"
 
 export BOOTSTRAP_HASKELL_NONINTERACTIVE=1
-export BOOTSTRAP_HASKELL_CABAL_VERSION="${CABAL_VER:-3.8.1.0}"
+export BOOTSTRAP_HASKELL_CABAL_VERSION="${CABAL_VER:-3.6.2.0}"
 export BOOTSTRAP_HASKELL_ADJUST_CABAL_CONFIG=no
 export BOOTSTRAP_HASKELL_INSTALL_NO_STACK=yes
 export BOOTSTRAP_HASKELL_ADJUST_BASHRC=1