diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f8c352c01..febcf22ac 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        rust: [nightly, beta, stable, 1.82.0, 1.74.0, 1.70.0]
+        rust: [nightly, beta, stable, 1.82.0, 1.74.0, 1.71.0]
         os: [ubuntu]
         include:
           - name: Cargo on macOS
@@ -53,7 +53,7 @@ jobs:
         # builds.
         run: |
           echo RUSTFLAGS=$RUSTFLAGS >> $GITHUB_ENV
-          echo exclude=--exclude cxx-test-suite ${{matrix.rust == '1.70.0' && '--exclude cxxbridge-cmd' || ''}} >> $GITHUB_OUTPUT
+          echo exclude=--exclude cxx-test-suite ${{matrix.rust == '1.71.0' && '--exclude cxxbridge-cmd' || ''}} >> $GITHUB_OUTPUT
         env:
           RUSTFLAGS: ${{env.RUSTFLAGS}} ${{matrix.os != 'ubuntu' && github.event_name != 'schedule' && '--cfg skip_ui_tests' || ''}}
         id: testsuite
diff --git a/Cargo.toml b/Cargo.toml
index 126fd422f..4d36d0d06 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,7 @@ keywords = ["ffi", "c++"]
 license = "MIT OR Apache-2.0"
 links = "cxxbridge1"
 repository = "https://github.com/dtolnay/cxx"
-rust-version = "1.70"
+rust-version = "1.71"
 
 [features]
 default = ["std", "cxxbridge-flags/default"] # c++11
diff --git a/README.md b/README.md
index ecb8797b0..c8cbe54c9 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ cxx = "1.0"
 cxx-build = "1.0"
 ```
 
-*Compiler support: requires rustc 1.70+ and c++11 or newer*<br>
+*Compiler support: requires rustc 1.71+ and c++11 or newer*<br>
 *[Release notes](https://github.com/dtolnay/cxx/releases)*
 
 <br>
diff --git a/build.rs b/build.rs
index 12f056c0b..331a20732 100644
--- a/build.rs
+++ b/build.rs
@@ -36,8 +36,8 @@ fn main() {
             println!("cargo:rustc-check-cfg=cfg(skip_ui_tests)");
         }
 
-        if rustc.minor < 70 {
-            println!("cargo:warning=The cxx crate requires a rustc version 1.70.0 or newer.");
+        if rustc.minor < 71 {
+            println!("cargo:warning=The cxx crate requires a rustc version 1.71.0 or newer.");
             println!(
                 "cargo:warning=You appear to be building with: {}",
                 rustc.version,
diff --git a/flags/Cargo.toml b/flags/Cargo.toml
index 49008b117..2c65e39e0 100644
--- a/flags/Cargo.toml
+++ b/flags/Cargo.toml
@@ -7,7 +7,7 @@ description = "Compiler configuration of the `cxx` crate (implementation detail)
 edition = "2021"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/dtolnay/cxx"
-rust-version = "1.70"
+rust-version = "1.71"
 
 [features]
 default = [] # c++11
diff --git a/gen/build/Cargo.toml b/gen/build/Cargo.toml
index 94fb4003e..341a2a63d 100644
--- a/gen/build/Cargo.toml
+++ b/gen/build/Cargo.toml
@@ -11,7 +11,7 @@ homepage = "https://cxx.rs"
 keywords = ["ffi", "build-dependencies"]
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/dtolnay/cxx"
-rust-version = "1.70"
+rust-version = "1.71"
 
 [features]
 parallel = ["cc/parallel"]
diff --git a/gen/cmd/Cargo.toml b/gen/cmd/Cargo.toml
index 88964618b..c82e3362d 100644
--- a/gen/cmd/Cargo.toml
+++ b/gen/cmd/Cargo.toml
@@ -10,7 +10,7 @@ homepage = "https://cxx.rs"
 keywords = ["ffi"]
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/dtolnay/cxx"
-rust-version = "1.70"
+rust-version = "1.71"
 
 [[bin]]
 name = "cxxbridge"
diff --git a/gen/lib/Cargo.toml b/gen/lib/Cargo.toml
index 715cb7d4e..f7ef47f9b 100644
--- a/gen/lib/Cargo.toml
+++ b/gen/lib/Cargo.toml
@@ -10,7 +10,7 @@ exclude = ["build.rs"]
 keywords = ["ffi"]
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/dtolnay/cxx"
-rust-version = "1.70"
+rust-version = "1.71"
 
 [dependencies]
 codespan-reporting = "0.11.1"
diff --git a/macro/Cargo.toml b/macro/Cargo.toml
index 311e8c116..222dc5c2d 100644
--- a/macro/Cargo.toml
+++ b/macro/Cargo.toml
@@ -10,7 +10,7 @@ homepage = "https://cxx.rs"
 keywords = ["ffi"]
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/dtolnay/cxx"
-rust-version = "1.70"
+rust-version = "1.71"
 
 [lib]
 proc-macro = true
diff --git a/src/lib.rs b/src/lib.rs
index 5f962c981..d4ebade77 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -18,7 +18,7 @@
 //!
 //! <br>
 //!
-//! *Compiler support: requires rustc 1.70+ and c++11 or newer*<br>
+//! *Compiler support: requires rustc 1.71+ and c++11 or newer*<br>
 //! *[Release notes](https://github.com/dtolnay/cxx/releases)*
 //!
 //! <br>