diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f83db61..3a85a59 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -17,13 +17,13 @@ jobs:
         with:
           components: clippy
       - uses: actions/checkout@v4
-      - run: cargo clippy --all-features --all-targets
+      - run: cargo clippy --locked --all-features --all-targets
   rustdoc:
     runs-on: ubuntu-20.04
     steps:
       - uses: dtolnay/rust-toolchain@stable
       - uses: actions/checkout@v4
-      - run: cargo doc --all-features
+      - run: cargo doc --locked --all-features
   build:
     name: "Build and test"
     runs-on: ${{ matrix.os }}
@@ -52,19 +52,19 @@ jobs:
           targets: x86_64-unknown-none
 
       - name: cargo test (debug)
-        run: cargo test
+        run: cargo test --locked
         env:
           RUST_BACKTRACE: 1
           RUSTFLAGS: "-D warnings"
 
       - name: cargo test (release)
-        run: cargo test --release
+        run: cargo test --locked --release
         env:
           RUSTFLAGS: "-D warnings"
 
         # this target does _not_ include the libstd crate in its sysroot
         # it will catch unwanted usage of libstd in _dependencies_
       - name: cargo build no-std mode
-        run: cargo build --no-default-features --target x86_64-unknown-none
+        run: cargo build --locked --no-default-features --target x86_64-unknown-none
         env:
           RUSTFLAGS: "-D warnings"
diff --git a/.gitignore b/.gitignore
index b471067..3a8cabc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,2 @@
 /target
-Cargo.lock
 .idea
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..cc6d15e
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,30 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "base64"
+version = "0.21.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "35636a1494ede3b646cc98f74f8e62c773a38a659ebc777a2cf26b9b74171df9"
+
+[[package]]
+name = "bencher"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7dfdb4953a096c551ce9ace855a604d702e6e62d77fac690575ae347571717f5"
+
+[[package]]
+name = "rustls-pemfile"
+version = "2.1.0"
+dependencies = [
+ "base64",
+ "bencher",
+ "rustls-pki-types",
+]
+
+[[package]]
+name = "rustls-pki-types"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "048a63e5b3ac996d78d402940b5fa47973d2d080c6c6fffa1d0f19c4445310b7"