diff --git a/.cirrus.yml b/.cirrus.yml
index 73d77abfa1d..1f431b2d201 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -29,7 +29,7 @@ task:
   setup_script:
     - pkg install -y bash curl
     - curl https://sh.rustup.rs -sSf --output rustup.sh
-    - sh rustup.sh -y --profile minimal --default-toolchain nightly-2021-11-23
+    - sh rustup.sh -y --profile minimal --default-toolchain nightly-2022-01-12
     - . $HOME/.cargo/env
     - |
       echo "~~~~ rustc --version ~~~~"
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c0945165ae0..f9eded120da 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,7 +9,7 @@ name: CI
 env:
   RUSTFLAGS: -Dwarnings
   RUST_BACKTRACE: 1
-  nightly: nightly-2021-11-23
+  nightly: nightly-2022-01-12
   minrust: 1.46
 
 defaults: