diff --git a/flake.nix b/flake.nix
index 4e401dd..8dc688c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -14,6 +14,7 @@
             just
             cargo
             rustup
+            rust-analyzer
           ];
         };
   };
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index bb75080..13d93b1 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.56.1"
+channel = "1.67.1"
 components = [ "rustfmt", "clippy" ]