diff --git a/flake.nix b/flake.nix
index 9db2e90a..49e860ed 100644
--- a/flake.nix
+++ b/flake.nix
@@ -26,7 +26,7 @@
         file = ./rust-toolchain.toml;
 
         # See also `rust-toolchain.toml`
-        sha256 = "sha256-AJ6LX/Q/Er9kS15bn9iflkUwcgYqRQxiOIL2ToVAXaU=";
+        sha256 = "sha256-X/4ZBHO3iW0fOenQ3foEvscgAPJYl2abspaBThDOukI=";
       };
 
       mkScope = pkgs: pkgs.lib.makeScope pkgs.newScope (self: {
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 97b4a789..aadc8f99 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -9,7 +9,7 @@
 # If you're having trouble making the relevant changes, bug a maintainer.
 
 [toolchain]
-channel = "1.85.0"
+channel = "1.86.0"
 profile = "minimal"
 components = [
     # For rust-analyzer