diff --git a/flake.lock b/flake.lock
index 0395b559..df81042c 100644
--- a/flake.lock
+++ b/flake.lock
@@ -161,11 +161,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1753325142,
-        "narHash": "sha256-7A8epLZ/LW9tek4OJY4IHesH7BgfBKr3aEm9JjUwqQo=",
+        "lastModified": 1760582142,
+        "narHash": "sha256-RSLRjAoS75szOc9fFzRi9/jzPbYsiqPISSLZTloaKtM=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "cf608fb54d8854f31d7f7c499e2d2c928af48036",
+        "rev": "9ea094253b9389ba7dd4f18637f66b5824276d1d",
         "type": "github"
       },
       "original": {
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 7f2259cb..547da220 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,4 +1,4 @@
 [toolchain]
-channel = "1.88"
+channel = "1.90"
 profile = "default"
 components = [ "rust-src" ]