diff --git a/filtermail/.github/workflows/ci.yml b/filtermail/.github/workflows/ci.yml
index db376dc7..a8ddb949 100644
--- a/filtermail/.github/workflows/ci.yml
+++ b/filtermail/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
         with:
           persist-credentials: false
-      - uses: dtolnay/rust-toolchain@6d653acede28d24f02e3cd41383119e8b1b35921 # master
+      - uses: dtolnay/rust-toolchain@f7ccc83f9ed1e5b9c81d8a67d7ad1a747e22a561 # master
         with:
           toolchain: nightly
           components: rustfmt
@@ -50,7 +50,7 @@ jobs:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
         with:
           persist-credentials: false
-      - uses: dtolnay/rust-toolchain@6d653acede28d24f02e3cd41383119e8b1b35921 # master
+      - uses: dtolnay/rust-toolchain@f7ccc83f9ed1e5b9c81d8a67d7ad1a747e22a561 # master
         with:
           toolchain: ${{ matrix.toolchain }}
           components: clippy
@@ -70,7 +70,7 @@ jobs:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
         with:
           persist-credentials: false
-      - uses: dtolnay/rust-toolchain@6d653acede28d24f02e3cd41383119e8b1b35921 # master
+      - uses: dtolnay/rust-toolchain@f7ccc83f9ed1e5b9c81d8a67d7ad1a747e22a561 # master
         with:
           toolchain: stable
       - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2