diff --git a/.ci/setup.sh b/.ci/setup.sh
index 05dd2caf4d3b..1aaa4b2d937b 100755
--- a/.ci/setup.sh
+++ b/.ci/setup.sh
@@ -54,9 +54,9 @@ else  # Linux
             software-properties-common || exit -1
         if [[ $COMPILER == "clang" ]]; then
             wget -qO- https://apt.llvm.org/llvm-snapshot.gpg.key | sudo tee /etc/apt/trusted.gpg.d/apt.llvm.org.asc
-            sudo apt-get update
             sudo apt-add-repository deb http://apt.llvm.org/jammy/ llvm-toolchain-jammy-17 main
             sudo apt-add-repository deb-src http://apt.llvm.org/jammy/ llvm-toolchain-jammy-17 main
+            sudo apt-get update
             sudo apt-get install -y clang-17
             sudo apt-get install --no-install-recommends -y libomp-dev
         fi
@@ -120,11 +120,11 @@ else  # Linux
             software-properties-common
         if [[ $COMPILER == "clang" ]]; then
             wget -qO- https://apt.llvm.org/llvm-snapshot.gpg.key | sudo tee /etc/apt/trusted.gpg.d/apt.llvm.org.asc
-            sudo apt-get update
-            sudo apt-add-repository deb http://apt.llvm.org/jammy/ llvm-toolchain-jammy-17 main
-            sudo apt-add-repository deb-src http://apt.llvm.org/jammy/ llvm-toolchain-jammy-17 main
-            sudo apt-get install -y clang-17
-            sudo apt-get install --no-install-recommends -y libomp-dev
+            apt-add-repository deb http://apt.llvm.org/jammy/ llvm-toolchain-jammy-17 main
+            apt-add-repository deb-src http://apt.llvm.org/jammy/ llvm-toolchain-jammy-17 main
+            apt-get update
+            apt-get install -y clang-17
+            apt-get install --no-install-recommends -y libomp-dev
         fi
         curl -sL https://apt.kitware.com/keys/kitware-archive-latest.asc | apt-key add -
         apt-add-repository "deb https://apt.kitware.com/ubuntu/ $(lsb_release -cs) main" -y