diff --git a/.clippy.toml b/.clippy.toml
index d17d5536..a0467c24 100644
--- a/.clippy.toml
+++ b/.clippy.toml
@@ -1,4 +1,4 @@
-msrv = "1.69"  # MSRV
+msrv = "1.70"  # MSRV
 warn-on-all-wildcard-imports = true
 allow-expect-in-tests = true
 allow-unwrap-in-tests = true
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4b3bdd36..2b886af6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -59,7 +59,7 @@ jobs:
     - name: toml (no-default features)
       run: cargo test -p toml --no-default-features
   msrv:
-    name: "Check MSRV: 1.69"
+    name: "Check MSRV: 1.70"
     runs-on: ubuntu-latest
     steps:
     - name: Checkout repository
@@ -67,7 +67,7 @@ jobs:
     - name: Install Rust
       uses: dtolnay/rust-toolchain@stable
       with:
-        toolchain: "1.69"  # MSRV
+        toolchain: "1.70"  # MSRV
     - uses: Swatinem/rust-cache@v2
     - name: Default features
       run: cargo check --workspace --all-targets
@@ -129,7 +129,7 @@ jobs:
     - name: Install Rust
       uses: dtolnay/rust-toolchain@stable
       with:
-        toolchain: "1.69"  # MSRV
+        toolchain: "1.70"  # MSRV
         components: clippy
     - uses: Swatinem/rust-cache@v2
     - name: Install SARIF tools
diff --git a/Cargo.toml b/Cargo.toml
index 5dd55b9a..c0ec6484 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,7 +7,7 @@ homepage = "https://github.com/toml-rs/toml"
 repository = "https://github.com/toml-rs/toml"
 license = "MIT OR Apache-2.0"
 edition = "2021"
-rust-version = "1.69"  # MSRV
+rust-version = "1.70"  # MSRV
 include = [
   "build.rs",
   "src/**/*",