diff --git a/flake.lock b/flake.lock
index 4e61a7d413..d462efff1a 100644
--- a/flake.lock
+++ b/flake.lock
@@ -112,16 +112,16 @@
         "utils": "utils"
       },
       "locked": {
-        "lastModified": 1727813652,
-        "narHash": "sha256-x29OdXQARnaith+dz88R3O056tlJcC4VqFbFzlbqLEc=",
+        "lastModified": 1728677554,
+        "narHash": "sha256-9+xXyy2Pbw04RBOTgYcNv/ilNcUMwH3E12WtNNL0Ey0=",
         "owner": "runtimeverification",
         "repo": "llvm-backend",
-        "rev": "812ea2ad00c91b7b5d144bd2624c7293802db45f",
+        "rev": "3db6947cb1c97a97bdcaf2ee990dbd18b7f251e7",
         "type": "github"
       },
       "original": {
         "owner": "runtimeverification",
-        "ref": "v0.1.98",
+        "ref": "v0.1.99",
         "repo": "llvm-backend",
         "type": "github"
       }