diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index 6d4763d0..c7fa0782 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -26,7 +26,7 @@ jobs:
           vault_role: outscale-osc-sdk-java
           osc_account: oak
       - uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 # v6
-      - uses: dtolnay/rust-toolchain@stable
+      - uses: dtolnay/rust-toolchain@6bed0761d98439e5a578e2877258200ad565ba87 # stable
       - uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5
         with:
           distribution: 'temurin'