diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 3e97e538..8e923e03 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -9,7 +9,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           components: rustfmt
-          toolchain: 1.66.1
+          toolchain: 1.70.0
           profile: minimal
           override: true
       - uses: actions-rs/cargo@v1
@@ -25,7 +25,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           components: clippy
-          toolchain: 1.66.1
+          toolchain: 1.70.0
           profile: minimal
           override: true
       - uses: actions-rs/cargo@v1
@@ -41,7 +41,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           components: clippy
-          toolchain: 1.66.1
+          toolchain: 1.70.0
           profile: minimal
           override: true
       - uses: actions-rs/cargo@v1
@@ -56,7 +56,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions-rs/toolchain@v1
         with:
-          toolchain: 1.66.1
+          toolchain: 1.70.0
           profile: minimal
           override: true
       - run: cargo install cargo-readme
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ec59f62d..e9f024fc 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -18,7 +18,7 @@ jobs:
       fail-fast: false
       matrix:
         toolchain:
-          - 1.66.1
+          - 1.70.0
           - stable
         profile:
           - name: debug
@@ -44,7 +44,7 @@ jobs:
       fail-fast: false
       matrix:
         toolchain:
-          - 1.66.1
+          - 1.70.0
           - stable
         profile:
           - name: debug
diff --git a/Cargo.toml b/Cargo.toml
index f7967a3b..15f41347 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,7 +20,7 @@ categories = [
     "hardware-support",
 ]
 exclude = [".gitignore", ".github/*"]
-rust-version = "1.66.1"
+rust-version = "1.70.0"
 
 [badges]
 # See https://doc.rust-lang.org/cargo/reference/manifest.html#the-badges-section
@@ -71,4 +71,4 @@ byteorder = "1.4.3"
 [dev-dependencies]
 kvm-ioctls = ">=0.12"
 kvm-bindings = ">=0.6"
-serial_test = "2.0"
\ No newline at end of file
+serial_test = "2.0"
diff --git a/src/measurement/ovmf.rs b/src/measurement/ovmf.rs
index 35a9c474..2a9e3d2a 100644
--- a/src/measurement/ovmf.rs
+++ b/src/measurement/ovmf.rs
@@ -126,7 +126,7 @@ impl OvmfSevMetadataHeader {
 
 /// OVMF Footer
 #[repr(C, packed)]
-#[derive(Debug)]
+#[derive(Debug, Clone, Copy)]
 struct OvmfFooterTableEntry {
     /// Size
     size: u16,