diff --git a/.azure/azure-pipelines.yml b/.azure/azure-pipelines.yml
index ec77a1de9..7dfae570a 100644
--- a/.azure/azure-pipelines.yml
+++ b/.azure/azure-pipelines.yml
@@ -35,11 +35,12 @@ steps:
       then
         sudo apt-get -y install libxcb-composite0-dev libx11-dev
       fi
-      curl https://sh.rustup.rs -sSf | sh -s -- -y --no-modify-path --default-toolchain "1.39.0"
+      curl https://sh.rustup.rs -sSf | sh -s -- -y --no-modify-path --default-toolchain "stable"
+      rustup update
       export PATH=$HOME/.cargo/bin:$PATH
       rustc -Vv
       echo "##vso[task.prependpath]$HOME/.cargo/bin"
-      rustup component add rustfmt --toolchain "1.39.0"
+      rustup component add rustfmt --toolchain "stable"
     displayName: Install Rust
   - bash: RUSTFLAGS="-D warnings" cargo test --all-features
     condition: eq(variables['style'], 'unflagged')