diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 95a5de3..6cfda96 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,8 +30,6 @@ jobs:
     steps:
       - uses: actions/checkout@main
       - uses: offa/conan-action@e9d361b93acd968d992b3bbb15b02b0beefb6b37
-      - name: Setup Ninja
-        uses: turtlesec-no/get-ninja@3e85fb0044ada1440765803dd87c838edf79def8
       - name: Setup MSVC
         uses: ilammy/msvc-dev-cmd@0b201ec74fa43914dc39ae48a89fd1d8cb592756
       - name: Build
diff --git a/script/ci_build.sh b/script/ci_build.sh
index ab03a43..ea93a01 100755
--- a/script/ci_build.sh
+++ b/script/ci_build.sh
@@ -4,11 +4,7 @@ set -ex
 
 BUILD_TYPE="Release"
 
-if [[ -z ${WINDIR+x} ]]
-then
-    apt-get update
-    apt-get install -y ninja-build
-fi
+pipx install ninja
 
 if [[ "${CXX}" == clang* ]]
 then