diff --git a/flake.nix b/flake.nix
index 0ff4abbc21..ad9d47bcef 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,7 +3,7 @@
   inputs = {
     llvm-backend.url = "github:runtimeverification/llvm-backend/v0.1.98";
     haskell-backend = {
-      url = "github:runtimeverification/haskell-backend/v0.1.85";
+      url = "github:runtimeverification/haskell-backend/v0.1.86";
       inputs.rv-utils.follows = "llvm-backend/rv-utils";
       inputs.nixpkgs.follows = "llvm-backend/nixpkgs";
     };
diff --git a/haskell-backend/src/main/native/haskell-backend b/haskell-backend/src/main/native/haskell-backend
index 8500209da5..43d9febe52 160000
--- a/haskell-backend/src/main/native/haskell-backend
+++ b/haskell-backend/src/main/native/haskell-backend
@@ -1 +1 @@
-Subproject commit 8500209da5038ce399e0799f27913444767dd9b5
+Subproject commit 43d9febe522164dba5f40c12db16a205db4a87ee