diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 69e1c633..7b6eb78b 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -198,7 +198,7 @@ jobs:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
     env:
-      MSRV: 1.66.0
+      MSRV: 1.67.0
     steps:
       - uses: actions/checkout@v4
       - name: Install Rust
diff --git a/Cargo.toml b/Cargo.toml
index 310d82b4..1000770d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,7 +17,7 @@ categories = ["development-tools::build-utils"]
 # The binary target is only used by tests.
 exclude = ["/.github", "tests", "src/bin"]
 edition = "2018"
-rust-version = "1.66"
+rust-version = "1.67"
 
 [dependencies]
 jobserver = { version = "0.1.30", default-features = false, optional = true }