diff --git a/.github/workflows/queue_and_merge.yml b/.github/workflows/queue_and_merge.yml
index dfbf7a22a..89fe201a7 100644
--- a/.github/workflows/queue_and_merge.yml
+++ b/.github/workflows/queue_and_merge.yml
@@ -99,10 +99,10 @@ jobs:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
       - uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
-          toolchain: nightly
+          toolchain: nightly-2024-06-14
           components: rustfmt
           cache: true
-      - run: just fmt
+      - run: just fmt-check
 
   docker:
     name: Docker
diff --git a/justfile b/justfile
index fcf864935..7f01a764d 100644
--- a/justfile
+++ b/justfile
@@ -1,3 +1,7 @@
+devs:
+    rustup toolchain install 1.79.0 --no-self-update --component clippy,rustfmt
+    rustup toolchain install nightly-2024-06-14 --no-self-update --component clippy,rustfmt
+
 build:
     cargo build --all
 
@@ -5,7 +9,10 @@ check:
     cargo check --all
 
 fmt:
-    cargo +nightly fmt --all
+    cargo +nightly-2024-06-14 fmt --all
+
+fmt-check:
+    cargo +nightly-2024-06-14 fmt --all --check
 
 test:
     cargo test