diff --git a/justfiles/ci.just b/justfiles/ci.just
index a1fd4fc..e2dccf8 100644
--- a/justfiles/ci.just
+++ b/justfiles/ci.just
@@ -41,7 +41,7 @@ ci-full: ci-lint-rust ci-fmt-toml ci-lint-toml ci-lint-nickel ci-lint-markdown c
 # Check Rust code formatting
 ci-fmt:
     @echo "📝 Checking Rust code formatting..."
-    cargo fmt --all -- --check
+    cargo +nightly fmt --all -- --check
 # Check TOML file formatting
 ci-fmt-toml:
     @echo "📝 Checking TOML formatting..."
@@ -51,7 +51,7 @@ ci-fmt-toml:
 # Format all code
 fmt:
     @echo "🎨 Formatting code..."
-    cargo fmt --all
+    cargo +nightly fmt --all
     just fmt-toml
 
 # Format TOML files