diff --git a/flake.lock b/flake.lock
index f7f3dbbd6..264c1ba32 100644
--- a/flake.lock
+++ b/flake.lock
@@ -44,11 +44,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1721924956,
-        "narHash": "sha256-Sb1jlyRO+N8jBXEX9Pg9Z1Qb8Bw9QyOgLDNMEpmjZ2M=",
+        "lastModified": 1723362943,
+        "narHash": "sha256-dFZRVSgmJkyM0bkPpaYRtG/kRMRTorUIDj8BxoOt1T4=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "5ad6a14c6bf098e98800b091668718c336effc95",
+        "rev": "a58bc8ad779655e790115244571758e8de055e3d",
         "type": "github"
       },
       "original": {
@@ -76,15 +76,16 @@
         ]
       },
       "locked": {
-        "lastModified": 1722046723,
-        "narHash": "sha256-G7/gHz8ORRvHd1/RIURrdcswKRPe9K0FsIYR4v5jSWo=",
+        "lastModified": 1719454714,
+        "narHash": "sha256-MojqG0lyUINkEk0b3kM2drsU5vyaF8DFZe/FAlZVOGs=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "56baac5e6b2743d4730e664ea64f6d8a2aad0fbb",
+        "rev": "d1c527659cf076ecc4b96a91c702d080b213801e",
         "type": "github"
       },
       "original": {
         "owner": "oxalica",
+        "ref": "snapshot/2024-08-01",
         "repo": "rust-overlay",
         "type": "github"
       }
diff --git a/flake.nix b/flake.nix
index 0ca155479..3ae842eef 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,7 +3,7 @@
 
   inputs.nixpkgs.url = github:NixOS/nixpkgs/nixos-unstable;
   inputs.rust-overlay = {
-      url = "github:oxalica/rust-overlay";
+      url = "github:oxalica/rust-overlay?ref=snapshot/2024-08-01";
       inputs.nixpkgs.follows = "nixpkgs";
   };
   inputs.sipyco.url = github:m-labs/sipyco;