diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a91b6b6..16ffb2c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -65,7 +65,7 @@ jobs:
           crate: cargo-msrv
           locked: false
       - name: Verify MSRV
-        run: cargo msrv verify --ignore-lockfile
+        run: cargo msrv verify
   fuzz:
     runs-on: ubuntu-latest
     steps:
diff --git a/.gitignore b/.gitignore
index 2de8d77..a581733 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,3 @@
 target/
-Cargo.lock
 perf.*
 .idea
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..abfac8f
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,443 @@
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diff --git a/Cargo.toml b/Cargo.toml
index 7b3ba96..46cc43e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -29,7 +29,7 @@ arrayvec = { version = "0.7", features = [ "serde" ] }
 bincode = "1.3.3"
 flate2 = "1.0.28"
 glam = { version = "0.22", default-features = false, features = [ "rand" ] }
-lz4_flex = { version = "=0.11.2", default-features = false }
+lz4_flex = { version = "0.13", default-features = false }
 paste = "1.0.14"
 rand = "0.8.5"
 rand_chacha = "0.3.1"
diff --git a/bitcode_derive/Cargo.toml b/bitcode_derive/Cargo.toml
index 9c62081..2a5e864 100644
--- a/bitcode_derive/Cargo.toml
+++ b/bitcode_derive/Cargo.toml
@@ -3,6 +3,7 @@ name = "bitcode_derive"
 authors = [ "Cai Bear", "Finn Bear" ]
 version = "0.6.9"
 edition = "2021"
+rust-version = "1.70"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/SoftbearStudios/bitcode/"
 description = "Implementation of #[derive(Encode, Decode)] for bitcode"
diff --git a/fuzz/.gitignore b/fuzz/.gitignore
index b400c27..f1d8af7 100644
--- a/fuzz/.gitignore
+++ b/fuzz/.gitignore
@@ -1,2 +1,3 @@
 corpus
 artifacts
+Cargo.lock