diff --git a/ci/azure/linux_script b/ci/azure/linux_script
index 1116099cd7..a93135a02e 100755
--- a/ci/azure/linux_script
+++ b/ci/azure/linux_script
@@ -5,14 +5,14 @@ set -e
 
 BUILDDIR="$(pwd)"
 
-sudo sh -c 'echo "deb http://apt.llvm.org/bionic/ llvm-toolchain-bionic-9 main" >> /etc/apt/sources.list'
+sudo sh -c 'echo "deb http://apt.llvm.org/bionic/ llvm-toolchain-bionic-10 main" >> /etc/apt/sources.list'
 wget -O - http://apt.llvm.org/llvm-snapshot.gpg.key|sudo apt-key add -
 sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
 sudo apt-get update -q
 
 sudo apt-get remove -y llvm-*
 sudo rm -rf /usr/local/*
-sudo apt-get install -y libxml2-dev libclang-9-dev llvm-9 llvm-9-dev cmake s3cmd gcc-7 g++-7 qemu
+sudo apt-get install -y libxml2-dev libclang-10-dev llvm-10 llvm-10-dev cmake s3cmd gcc-7 g++-7 qemu
 
 # Make the `zig version` number consistent.
 # This will affect the cmake command below.
@@ -30,7 +30,7 @@ VERSION="$(./zig version)"
 if [ "${BUILD_REASON}" != "PullRequest" ]; then
   ARTIFACTSDIR="$BUILDDIR/artifacts"
   mkdir "$ARTIFACTSDIR"
-  docker run -i --mount type=bind,source="$ARTIFACTSDIR",target=/z ziglang/static-base:llvm9-x86_64 -j2 $BUILD_SOURCEVERSION
+  docker run -i --mount type=bind,source="$ARTIFACTSDIR",target=/z ziglang/static-base:llvm10-x86_64 -j2 $BUILD_SOURCEVERSION
   TARBALL="$(ls $ARTIFACTSDIR)"
   mv "$DOWNLOADSECUREFILE_SECUREFILEPATH" "$HOME/.s3cfg"
   s3cmd put -P --add-header="cache-control: public, max-age=31536000, immutable" "$ARTIFACTSDIR/$TARBALL" s3://ziglang.org/builds/
diff --git a/ci/drone/drone.yml b/ci/drone/drone.yml
index 8fff358a93..b7bc300f4f 100644
--- a/ci/drone/drone.yml
+++ b/ci/drone/drone.yml
@@ -7,7 +7,7 @@ platform:
 
 steps:
 - name: build-and-test
-  image: ziglang/static-base:llvm9-1
+  image: ziglang/static-base:llvm10-aarch64-1
   environment:
     SRHT_OAUTH_TOKEN:
       from_secret: SRHT_OAUTH_TOKEN