diff --git a/deps/haskell-backend_release b/deps/haskell-backend_release
index 8728f9684e..b63931faab 100644
--- a/deps/haskell-backend_release
+++ b/deps/haskell-backend_release
@@ -1 +1 @@
-v0.1.97
+v0.1.99
diff --git a/flake.lock b/flake.lock
index 260c71cf36..5466b6625e 100644
--- a/flake.lock
+++ b/flake.lock
@@ -65,16 +65,16 @@
         "z3": "z3"
       },
       "locked": {
-        "lastModified": 1730421015,
-        "narHash": "sha256-crZXr/IfwSoC6bmI9GXWDv8UK40L2mFX5ZrHLvlpe5c=",
+        "lastModified": 1731858864,
+        "narHash": "sha256-P5lwiVFy3qVKe08TYOLc+nBss3AsM+nBIspw5nP1frY=",
         "owner": "runtimeverification",
         "repo": "haskell-backend",
-        "rev": "44778e5b349e85f0fd1c40c13691d744e2ddad11",
+        "rev": "820cd05c084ba7f297e74a960f98e99ea2b2fba4",
         "type": "github"
       },
       "original": {
         "owner": "runtimeverification",
-        "ref": "v0.1.97",
+        "ref": "v0.1.99",
         "repo": "haskell-backend",
         "type": "github"
       }
diff --git a/flake.nix b/flake.nix
index c6e3061e74..7dce67b4e7 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,7 +3,7 @@
   inputs = {
     llvm-backend.url = "github:runtimeverification/llvm-backend/v0.1.103";
     haskell-backend = {
-      url = "github:runtimeverification/haskell-backend/v0.1.97";
+      url = "github:runtimeverification/haskell-backend/v0.1.99";
       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 44778e5b34..820cd05c08 160000
--- a/haskell-backend/src/main/native/haskell-backend
+++ b/haskell-backend/src/main/native/haskell-backend
@@ -1 +1 @@
-Subproject commit 44778e5b349e85f0fd1c40c13691d744e2ddad11
+Subproject commit 820cd05c084ba7f297e74a960f98e99ea2b2fba4