diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 5c94706239f4..8e3daa8ba8a5 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -1657,6 +1657,9 @@ self: super: {
   # 2021-04-02: Outdated optparse-applicative bound is fixed but not realeased on upstream.
   trial-optparse-applicative = assert super.trial-optparse-applicative.version == "0.0.0.0"; doJailbreak super.trial-optparse-applicative;
 
+  # 2022-12-28: Too strict version bounds on bytestring
+  iconv = doJailbreak super.iconv;
+
   # 2021-04-02: iCalendar is basically unmaintained.
   # There is a PR for fixing the build: https://github.com/chrra/iCalendar/pull/50
   iCalendar = appendPatches [
diff --git a/pkgs/development/haskell-modules/configuration-hackage2nix/broken.yaml b/pkgs/development/haskell-modules/configuration-hackage2nix/broken.yaml
index 73a4a3f3e6c7..ed017aca51e1 100644
--- a/pkgs/development/haskell-modules/configuration-hackage2nix/broken.yaml
+++ b/pkgs/development/haskell-modules/configuration-hackage2nix/broken.yaml
@@ -2652,7 +2652,6 @@ broken-packages:
   - icepeak
   - icfpc2020-galaxy
   - IcoGrid
-  - iconv
   - ideas
   - ide-backend-common
   - idempotent