diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1efdd81..1c2ea1f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -58,7 +58,7 @@ jobs:
       # (cargo-machete to a commit, candor-scan to a version,
       # mcp-publisher to a sha256) for exactly this reason; these two
       # were the exception. Bump deliberately.
-      - uses: dtolnay/rust-toolchain@1.96.0
+      - uses: dtolnay/rust-toolchain@1.120.0
         with:
           components: rustfmt
       - run: cargo fmt --all -- --check
@@ -77,7 +77,7 @@ jobs:
       # (cargo-machete to a commit, candor-scan to a version,
       # mcp-publisher to a sha256) for exactly this reason; these two
       # were the exception. Bump deliberately.
-      - uses: dtolnay/rust-toolchain@1.96.0
+      - uses: dtolnay/rust-toolchain@1.120.0
         with:
           components: clippy
       - uses: Swatinem/rust-cache@v2
@@ -88,7 +88,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v7
-      - uses: dtolnay/rust-toolchain@1.94.1
+      - uses: dtolnay/rust-toolchain@1.120.0
       - uses: Swatinem/rust-cache@v2
       - run: cargo build --locked
       # Build alone let a test-only API that doesn't exist on the MSRV