diff --git a/flake.lock b/flake.lock
index edd008e3..6510a19e 100644
--- a/flake.lock
+++ b/flake.lock
@@ -161,11 +161,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1740104932,
-        "narHash": "sha256-FaN+HBAhOW1wAjxPI/Ko1DX0ax4ucHCZoMJ0dGMxm8o=",
+        "lastModified": 1753325142,
+        "narHash": "sha256-7A8epLZ/LW9tek4OJY4IHesH7BgfBKr3aEm9JjUwqQo=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "c932b3873a5d56126bc1f1416fb8a58315f86c17",
+        "rev": "cf608fb54d8854f31d7f7c499e2d2c928af48036",
         "type": "github"
       },
       "original": {
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 4b45ca89..7f2259cb 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,4 +1,4 @@
 [toolchain]
-channel = "1.85"
+channel = "1.88"
 profile = "default"
 components = [ "rust-src" ]