diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5313205..593381f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v5
-      - uses: dtolnay/rust-toolchain@1.86.0
+      - uses: dtolnay/rust-toolchain@1.87.0
         with:
           components: clippy, rustfmt
       - uses: Swatinem/rust-cache@v2
@@ -25,7 +25,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v5
-      - uses: dtolnay/rust-toolchain@1.86.0
+      - uses: dtolnay/rust-toolchain@1.87.0
       - uses: Swatinem/rust-cache@v2
       - run: cargo test --tests
 
@@ -33,7 +33,7 @@ jobs:
     runs-on: macos-latest
     steps:
       - uses: actions/checkout@v5
-      - uses: dtolnay/rust-toolchain@1.86.0
+      - uses: dtolnay/rust-toolchain@1.87.0
       - uses: Swatinem/rust-cache@v2
       - run: cargo check
 
@@ -41,7 +41,7 @@ jobs:
     runs-on: windows-latest
     steps:
       - uses: actions/checkout@v5
-      - uses: dtolnay/rust-toolchain@1.86.0
+      - uses: dtolnay/rust-toolchain@1.87.0
       - uses: Swatinem/rust-cache@v2
       # Build the tests (not just `cargo check`): catches errors in test
       # code and forces full codegen of the Windows-only SPTI transport
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index b71ec22..a86a2b4 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -24,7 +24,7 @@ jobs:
 
   # Tests run as a PARALLEL TRIPWIRE: they fail the run if they fail, but the
   # publish/release jobs do NOT `needs:` this job. The tag decision was already
-  # gated by the local precommit (same Rust 1.86, same commit). Binary consumers
+  # gated by the local precommit (same Rust 1.87, same commit). Binary consumers
   # (freemkv/autorip/bdemu) git-tag-pin libfreemkv and therefore start building
   # the instant this tag exists — so this test job and the crates.io publish
   # below must NOT sit on their critical path.
@@ -33,7 +33,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v5
-      - uses: dtolnay/rust-toolchain@1.86.0
+      - uses: dtolnay/rust-toolchain@1.87.0
       - uses: Swatinem/rust-cache@v2
       # libfreemkv is a library — Cargo.lock isn't tracked, so --locked
       # would always fail (no lockfile to lock against on a fresh runner).
diff --git a/Cargo.toml b/Cargo.toml
index 9721242..68e77cc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 name = "libfreemkv"
 version = "1.6.0"
 edition = "2024"
-rust-version = "1.86"
+rust-version = "1.87"
 license = "MIT"
 description = "Open source raw disc access library for optical drives"
 repository = "https://github.com/freemkv/libfreemkv"