diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index f1dbf4f..cefe4be 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -5,8 +5,6 @@ on:
     branches: [ main, next ]
   pull_request:
     branches: [ main, next ]
-  schedule:
-    - cron: '5 16 * * 6'
 
 jobs:
   build:
@@ -14,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        rust: ["1.57.0", stable, beta, nightly]
+        rust: ["1.67.0", stable, beta, nightly]
     steps:
     - uses: actions/checkout@v2
     - uses: dtolnay/rust-toolchain@v1
diff --git a/Cargo.toml b/Cargo.toml
index 8578eee..3fa9c27 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.3.5"
 edition = "2021"
 
 # note: when changed, also update test runner in `.github/workflows/rust.yml`
-rust-version = "1.57.0"
+rust-version = "1.67.0"
 
 license = "MIT OR Apache-2.0"
 description = "Fast specialized deflate implementation"