diff --git a/builds.yml b/builds.yml
index baaf70d..86d2ed4 100644
--- a/builds.yml
+++ b/builds.yml
@@ -8,7 +8,7 @@ env:
   llvm_for_rust_pins:
     stable: &llvm_stable "19"
   nixpkgs:
-    unstable: &nixpkgs_unstable "85f7e662eda4fa3a995556527c87b2524b691933"
+    unstable: &nixpkgs_unstable "aebe249544837ce42588aa4b2e7972222ba12e8f"
   just:
     version: &just_version "1.36.0"
 # matrix describes the test structure which I expect to be relatively stable.
diff --git a/nix/versions.nix b/nix/versions.nix
index 4df28f7..7756e68 100644
--- a/nix/versions.nix
+++ b/nix/versions.nix
@@ -2,31 +2,31 @@
 {
   nixpkgs = {
     branch = "nixpkgs-unstable";
-    commit = "85f7e662eda4fa3a995556527c87b2524b691933";
-    commit_date = "2024-11-07T05:50:23+00:00";
-    source_url = "https://github.com/NixOS/nixpkgs/archive/85f7e662eda4fa3a995556527c87b2524b691933.tar.gz";
+    commit = "aebe249544837ce42588aa4b2e7972222ba12e8f";
+    commit_date = "2024-11-10T13:26:24+00:00";
+    source_url = "https://github.com/NixOS/nixpkgs/archive/aebe249544837ce42588aa4b2e7972222ba12e8f.tar.gz";
     hash = {
       nix32 = {
         packed = {
           comment = "nix-prefetch-url generated hash of the nix archive file obtained from github archive (packed)";
-          sha256 = "00nv64w1bh0zw3m04as3pgvqvq2r7y24yzxv4k4z5rkrb1lkch5w";
-          sha512 = "2995aaz4sjcwwn3rjh4i43pgw9yn5myfa9s4cd0rfhszzjhj9s6fnimrk714v696ng7hn4j6s0208vmnhniq792mva7zdm4bq7qxs54";
+          sha256 = "0qqqc3bv2lgb7qhn52v3x0abdrvwmlvqjlzv4pm27ys72fa14h51";
+          sha512 = "0hyvic0lzayzkqyv6zzqixr0khdziaym8kgbplab1ahvg9gcbq0grz3pqcanyifpjixcklg21vp0mqkw9nydp8wlkd18a0vax46d4f3";
         };
         unpacked = {
           comment = "nix-prefetch-url generated hash of the nix archive file obtained from github archive (unpacked)";
-          sha256 = "1p8qam6pixcin63wai3y55bcyfi1i8525s1hh17177cqchh1j117";
+          sha256 = "1ma5945hyxj0p8j6kim115phw0achrzxxqrcsxpp903yxkrx4qmy";
         };
       };
       tar = {
         comment = "openssl generated hashes of the actual tar.gz file obtained from github archive";
-        sha256 = "bc4036695879e6f2c924bb7f4f843f59e08df7bb432b02eae01fc0153831db02";
-        sha384 = "446eba7dd27f0d0087ce5c91d34b55eb0de629476c815667b21925aca6dbb2fbc5d29bb15ad16dbe4522d8f418bc5f45";
-        sha512 = "a4e88e0f5ea4b67fd4ae221d1c2db475232080369258789e35c96c12cecc355a67749250feafa1cba031a29372be16eb137f779048a0ccc372cea4265fa99292";
-        sha3_256 = "2556485e2fc9445c77546543713c30102a2683b8dc2fdd9b3afcff421f1a6e47";
-        sha3_384 = "63883603a17afecd2ec0b20408da94cb27af3514cbdcbc48a7b2beb3b771c851a4a14059fe774a689bc523e44506c8ac";
-        sha3_512 = "0651c77a7c59770b115e8e97707573ea50d41743d87b7e01b925f6e9c4faea1cbdfaa2282e5a5bc5a961c20b58306eed8136693de3ff114f80f04d65256bef41";
-        blake2b512 = "6a8da071b1ff3cb8623ec3f9eada748895080d6a0529722835ddd03f92a18e403eff2bec6c8c3a6364d841dc1abbd28db59b7fb40b07577d4e2661bbeb985626";
-        blake2s256 ="52fc0e4e4809ea9efeaacfc75240364adbc55424c5826859eddbd51db2c1fb90";
+        sha256 = "a14012941347fb23ea25fb538937ad7ce7b614e8638b62213eeb51b1d7601863";
+        sha384 = "b156874e8b4c5fa7f4ffcba253868012bdb33989ba42a6d3ce0330f7768025f9efb24f13cfece28d2fd5cb1a19693d73";
+        sha512 = "c3916648571b2814daa41cdde66de213577077108f4ed6a3bc2e7aab18bee3e707f0622fbd0d55588adef526aa5ec5dfe004b947fcbfd91ecfefd5a780c5ed21";
+        sha3_256 = "c506ad541c0f1e23a000824219a8d8bb484c8c9c7c66b5a43df1dba3122597c7";
+        sha3_384 = "608f8f691e298b24d01bed706869030d21a224d9242c4eda62a7a41f750e487e952aa1ef5d38d129026c512a960886e9";
+        sha3_512 = "2cc3d6fc40e626d6242349028d3fbfe836d9d5223843f91d6615ad69926ab8abfb84a709d348302cd1082aa461902921f56a2c8e55e6c246fc25d056e3b4a010";
+        blake2b512 = "d2f10d400cb1a2b58167047ae4354299e5cb6585d1d2f136e615e8874d84578e86b5b90e195644055de2981b202d7e4fcea7a520de39b8dca744ddb891c26eec";
+        blake2s256 ="26419dbefeb080d4534809c71dd5586cf316491002e0cc97548099bb7b7e8d44";
       };
     };
   };