diff --git a/flake.lock b/flake.lock
index 62f3419f02..2c385e4599 100644
--- a/flake.lock
+++ b/flake.lock
@@ -65,16 +65,16 @@
         "z3": "z3"
       },
       "locked": {
-        "lastModified": 1723624971,
-        "narHash": "sha256-4NYCbmx8QKEUxpajUncKToUXTameQeltE3bhu/0OsdU=",
+        "lastModified": 1723630441,
+        "narHash": "sha256-BbJwGKi2kwbSIegUZTuZvzOoA9g/NRn7mwsgOhKpFvg=",
         "owner": "runtimeverification",
         "repo": "haskell-backend",
-        "rev": "e9b5f3790d6d37c341195eae7346ecd3c0135e7c",
+        "rev": "8d4aafc4bc2cb6ab9d992030c6482b712309608f",
         "type": "github"
       },
       "original": {
         "owner": "runtimeverification",
-        "ref": "v0.1.66",
+        "ref": "v0.1.67",
         "repo": "haskell-backend",
         "type": "github"
       }
@@ -361,16 +361,16 @@
     "z3": {
       "flake": false,
       "locked": {
-        "lastModified": 1674011426,
-        "narHash": "sha256-7cuUf29TMpX62PwO1ab3ZuzmzlcrRjTKB1CyXnYgYus=",
+        "lastModified": 1709835916,
+        "narHash": "sha256-MIbP3QgKIGF/qUMTupaO7xD46LbmH69kF/394Sajhkg=",
         "owner": "Z3Prover",
         "repo": "z3",
-        "rev": "3012293c35eadbfd73e5b94adbe50b0cc44ffb83",
+        "rev": "3049f578a8f98a0b0992eca193afe57a73b30ca3",
         "type": "github"
       },
       "original": {
         "owner": "Z3Prover",
-        "ref": "z3-4.12.1",
+        "ref": "z3-4.13.0",
         "repo": "z3",
         "type": "github"
       }