diff --git a/deps/haskell-backend_release b/deps/haskell-backend_release
index 6eb9447420..51c6a280ab 100644
--- a/deps/haskell-backend_release
+++ b/deps/haskell-backend_release
@@ -1 +1 @@
-v0.1.135
+v0.1.142
diff --git a/flake.lock b/flake.lock
index 37a33e2b57..b25a68589a 100644
--- a/flake.lock
+++ b/flake.lock
@@ -64,16 +64,16 @@
         "z3": "z3"
       },
       "locked": {
-        "lastModified": 1752802358,
-        "narHash": "sha256-pwv2jqljmGxhGMyJG5yyLo8MgfkxYniQEEcU7Zrm4LQ=",
+        "lastModified": 1761007876,
+        "narHash": "sha256-84TX0awZxUTwqXJfs0L+32lD4csDwE4vgzCP2HA60ys=",
         "owner": "runtimeverification",
         "repo": "haskell-backend",
-        "rev": "7d84039d7be22dbc4f6ff76488deed21e23a581f",
+        "rev": "6a18516adb79ffd2e8f593b98ba69c2ba46d35c0",
         "type": "github"
       },
       "original": {
         "owner": "runtimeverification",
-        "ref": "v0.1.135",
+        "ref": "v0.1.142",
         "repo": "haskell-backend",
         "type": "github"
       }
@@ -141,11 +141,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1760284886,
-        "narHash": "sha256-TK9Kr0BYBQ/1P5kAsnNQhmWWKgmZXwUQr4ZMjCzWf2c=",
+        "lastModified": 1760878510,
+        "narHash": "sha256-K5Osef2qexezUfs0alLvZ7nQFTGS9DL2oTVsIXsqLgs=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "cf3f5c4def3c7b5f1fc012b3d839575dbe552d43",
+        "rev": "5e2a59a5b1a82f89f2c7e598302a9cacebb72a67",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 35e75074e0..0659368456 100644
--- a/flake.nix
+++ b/flake.nix
@@ -8,7 +8,7 @@
     llvm-backend.inputs.nixpkgs.follows = "nixpkgs";
 
     haskell-backend = {
-      url = "github:runtimeverification/haskell-backend/v0.1.135";
+      url = "github:runtimeverification/haskell-backend/v0.1.142";
       inputs.rv-nix-tools.follows = "rv-nix-tools";
       inputs.nixpkgs.follows = "nixpkgs";
     };
diff --git a/haskell-backend/src/main/native/haskell-backend b/haskell-backend/src/main/native/haskell-backend
index 7d84039d7b..6a18516adb 160000
--- a/haskell-backend/src/main/native/haskell-backend
+++ b/haskell-backend/src/main/native/haskell-backend
@@ -1 +1 @@
-Subproject commit 7d84039d7be22dbc4f6ff76488deed21e23a581f
+Subproject commit 6a18516adb79ffd2e8f593b98ba69c2ba46d35c0