diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2fc66f5..e597522 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -34,7 +34,7 @@ jobs:
   build_conan:
     runs-on: ubuntu-latest
     container:
-      image: "registry.gitlab.com/offa/docker-images/gcc:13"
+      image: "registry.gitlab.com/offa/docker-images/gcc:15"
     name: "conan ${{ matrix.compiler }}"
     steps:
       - uses: actions/checkout@main
diff --git a/script/conan_build.sh b/script/conan_build.sh
index b8a14d9..52e169e 100755
--- a/script/conan_build.sh
+++ b/script/conan_build.sh
@@ -2,9 +2,10 @@
 
 set -ex
 
+export PATH=$HOME/.local/bin:$PATH
 apt-get update
-apt-get install -y python3-pip
-pip3 install -U conan
+apt-get install -y pipx
+pipx install conan
 
 conan profile detect
 conan create --build=missing .