diff --git a/.github/workflows/block-fixup.yml b/.github/workflows/block-fixup.yml
index 2eba9fc..bd4bb7c 100644
--- a/.github/workflows/block-fixup.yml
+++ b/.github/workflows/block-fixup.yml
@@ -7,7 +7,7 @@ jobs:
   block-fixup:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Block fixup commit merge
       uses: 13rac1/block-fixup-merge-action@v2.0.0
 
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.event_name == 'pull_request'
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - uses: actions/setup-python@v4
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index bc8b137..65398b3 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -16,13 +16,13 @@ jobs:
     strategy:
       matrix:
         rust:
-          - 1.60.0
+          - 1.70.0
           - stable
           - beta
 
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install toolchain
         uses: actions-rs/toolchain@v1
         with:
@@ -46,7 +46,7 @@ jobs:
     # Prevent sudden announcement of a new advisory from failing ci:
     continue-on-error: ${{ matrix.checks == 'advisories' }}
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: cargo-deny
       uses: EmbarkStudios/cargo-deny-action@v1
       with:
@@ -57,10 +57,10 @@ jobs:
     name: format
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions-rs/toolchain@v1
         with:
-          toolchain: 1.60.0
+          toolchain: 1.70.0
       - run: rustup component add rustfmt
       - name: cargo-fmt
         uses: actions-rs/cargo@v1
@@ -75,12 +75,12 @@ jobs:
     strategy:
       matrix:
         rust:
-          - 1.60.0
+          - 1.70.0
           - stable
           - beta
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install toolchain
         uses: actions-rs/toolchain@v1
         with:
@@ -98,10 +98,10 @@ jobs:
     name: clippy
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions-rs/toolchain@v1
         with:
-          toolchain: 1.60.0
+          toolchain: 1.70.0
           override: true
       - uses: swatinem/rust-cache@v2
       - run: rustup component add clippy
diff --git a/src/lib.rs b/src/lib.rs
index cce6418..d4b03cc 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -45,17 +45,17 @@ mod supported {
             let mut drop = privdrop::PrivDrop::default();
 
             if let Some(user) = self.user {
-                drop = drop.user(&user);
+                drop = drop.user(user);
             }
 
             if let Some(group) = self.group {
-                drop = drop.group(&group);
+                drop = drop.group(group);
             }
 
             #[cfg(feature = "chroot")]
             {
                 if let Some(chroot) = self.chroot {
-                    drop = drop.chroot(&chroot);
+                    drop = drop.chroot(chroot);
                 }
             }