diff --git a/flake.nix b/flake.nix
index 58e2e4b..3a8e82e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -50,7 +50,7 @@
 
       rustStable = (import fenix {inherit pkgs;}).fromToolchainFile {
         file = ./rust-toolchain.toml;
-        sha256 = "sha256-gdYqng0y9iHYzYPAdkC/ka3DRny3La/S5G8ASj0Ayyc=";
+        sha256 = "sha256-Q9UgzzvxLi4x9aWUJTn+/5EXekC98ODRU1TwhUs9RnY=";
       };
 
       craneLib = (crane.mkLib pkgs).overrideToolchain rustStable;
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 1189b95..8990eca 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,5 +1,5 @@
 [toolchain]
-channel = "1.70.0"
+channel = "1.72.0"
 components = ["clippy", "rustfmt", "rust-src"]
 targets = ["x86_64-unknown-linux-gnu"]
 profile = "minimal"