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-rw-r--r--pkgs/development/haskell-modules/configuration-hackage2nix/main.yaml1
1 files changed, 1 insertions, 0 deletions
diff --git a/pkgs/development/haskell-modules/configuration-hackage2nix/main.yaml b/pkgs/development/haskell-modules/configuration-hackage2nix/main.yaml
index 1af167f5353..bc319449dc6 100644
--- a/pkgs/development/haskell-modules/configuration-hackage2nix/main.yaml
+++ b/pkgs/development/haskell-modules/configuration-hackage2nix/main.yaml
@@ -107,6 +107,7 @@ extra-packages:
   - hspec-discover < 2.8                # 2022-04-07: Needed for tasty-hspec 1.1.6
   - hspec-meta < 2.8                    # 2022-12-07: Needed for elmPackages.elm / hspec-discover
   - hspec-golden == 0.1.*               # 2022-04-07: Needed for elm-format
+  - http2 < 3.3                         # 2023-08-24: Needed for twain <https://github.com/alexmingoia/twain/issues/5>
   - immortal == 0.2.2.1                 # required by Hasura 1.3.1, 2020-08-20
   - language-docker == 11.0.0           # required by hadolint 2.12.0, 2022-11-16
   - language-javascript == 0.7.0.0      # required by purescript