diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b9ae8fd3..fcb6b45e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v7
-      - uses: dtolnay/rust-toolchain@1.99.0
+      - uses: dtolnay/rust-toolchain@1.120.0
         with:
           components: rustfmt
       - run: cargo fmt --all -- --check
@@ -27,7 +27,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v7
-      - uses: dtolnay/rust-toolchain@1.99.0
+      - uses: dtolnay/rust-toolchain@1.120.0
         with:
           components: clippy
       - uses: Swatinem/rust-cache@v2
@@ -43,7 +43,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v7
-      - uses: dtolnay/rust-toolchain@1.99.0
+      - uses: dtolnay/rust-toolchain@1.120.0
       - uses: Swatinem/rust-cache@v2
       # Check each feature-bearing package independently. Checking the whole
       # workspace in one Cargo invocation can re-enable a dependency's default
@@ -82,7 +82,7 @@ jobs:
         os: [ubuntu-latest, macos-latest, windows-latest]
     steps:
       - uses: actions/checkout@v7
-      - uses: dtolnay/rust-toolchain@1.99.0
+      - uses: dtolnay/rust-toolchain@1.120.0
         with:
           # Compile-fail snapshots include standard-library source excerpts.
           components: rust-src
@@ -111,7 +111,7 @@ jobs:
       RUSTFLAGS: ""
     steps:
       - uses: actions/checkout@v7
-      - uses: dtolnay/rust-toolchain@1.99.0
+      - uses: dtolnay/rust-toolchain@1.120.0
       - uses: Swatinem/rust-cache@v2
       - run: cargo test --workspace --doc
       - run: cargo test --workspace --exclude vihaco-doctests --doc --features vihaco/typed-declarations
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 3fd00ccf..e6d93ae7 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -47,7 +47,7 @@ jobs:
     steps:
       - uses: actions/checkout@v7
 
-      - uses: dtolnay/rust-toolchain@1.99.0
+      - uses: dtolnay/rust-toolchain@1.120.0
 
       - uses: Swatinem/rust-cache@v2
 
diff --git a/.github/workflows/release-plz.yml b/.github/workflows/release-plz.yml
index 612859e2..a2f45fda 100644
--- a/.github/workflows/release-plz.yml
+++ b/.github/workflows/release-plz.yml
@@ -52,10 +52,10 @@ jobs:
         with:
           fetch-depth: 0   # full history is needed to release from the merge commit
           persist-credentials: false
-      - uses: dtolnay/rust-toolchain@1.99.0
+      - uses: dtolnay/rust-toolchain@1.120.0
       - uses: Swatinem/rust-cache@v2
       - name: Run release-plz
-        uses: release-plz/action@v0.5.141
+        uses: release-plz/action@v0.5.146
         with:
           command: release
         env:
@@ -80,10 +80,10 @@ jobs:
         with:
           fetch-depth: 0
           persist-credentials: false
-      - uses: dtolnay/rust-toolchain@1.99.0
+      - uses: dtolnay/rust-toolchain@1.120.0
       - uses: Swatinem/rust-cache@v2
       - name: Run release-plz
-        uses: release-plz/action@v0.5.141
+        uses: release-plz/action@v0.5.146
         with:
           command: release-pr
         env: