diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 02c0a7a7592f7..0abaeb0b6968c 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -52,7 +52,7 @@ jobs:
     name: Verify build
     strategy:
       matrix:
-        toolchain: [stable, 1.63.0]
+        toolchain: [stable, 1.65.0]
         include:
           # Nightly has a lot of targets, so split it in half
           - toolchain: nightly
@@ -62,7 +62,7 @@ jobs:
           - toolchain: beta
             only: '(aarch64|x86_64)' # just a spot check for beta
           - toolchain: stable
-          - toolchain: 1.63.0 # msrv
+          - toolchain: 1.65.0 # msrv
     runs-on: ubuntu-24.04
     timeout-minutes: 25
     env:
@@ -93,7 +93,7 @@ jobs:
         run: |
           set -eux
           # Remove `-Dwarnings` at the MSRV since lints may be different
-          [ "${{ matrix.toolchain }}" = "1.63.0" ] && export RUSTFLAGS=""
+          [ "${{ matrix.toolchain }}" = "1.65.0" ] && export RUSTFLAGS=""
           python3 ci/verify-build.py \
             --toolchain "$TOOLCHAIN" \
             ${BASELINE_CRATE_DIR:+"--baseline-crate-dir" "$BASELINE_CRATE_DIR"} \
diff --git a/Cargo.toml b/Cargo.toml
index a1c7fffbef8ed..9a17b54e10680 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,7 +9,7 @@ authors = ["The Rust Project Developers"]
 edition = "2021"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/rust-lang/libc"
-rust-version = "1.63"
+rust-version = "1.65"
 
 [package.metadata.docs.rs]
 features = ["extra_traits"]
diff --git a/README.md b/README.md
index 607bf308d01eb..69aff2cae166d 100644
--- a/README.md
+++ b/README.md
@@ -57,7 +57,7 @@ The following features are deprecated:
 
 ## Rust version support
 
-The minimum supported Rust toolchain version is currently **Rust 1.63**.
+The minimum supported Rust toolchain version is currently **Rust 1.65**.
 
 Increases to the MSRV are allowed to change without a major (i.e. semver-
 breaking) release in order to avoid a ripple effect in the ecosystem. A policy