diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 87dd21075b1..85fdd7eccbb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -95,6 +95,7 @@ jobs:
       - run: |
           sudo apt-get update
           sudo apt-get install clang mold ccache build-essential cmake ninja-build pkgconf python3-zmq libevent-dev libboost-dev libsqlite3-dev systemtap-sdt-dev libzmq3-dev qt6-base-dev qt6-tools-dev qt6-l10n-tools libqrencode-dev capnproto libcapnp-dev -y
+          sudo pip3 install --break-system-packages pycapnp
       - name: Compile and run tests
         run: |
           # Run tests on commits after the last merge commit and before the PR head commit
@@ -152,6 +153,11 @@ jobs:
           brew install --quiet python@3 || brew link --overwrite python@3
           brew install --quiet coreutils ninja pkgconf gnu-getopt ccache boost libevent zeromq qt@6 qrencode capnp
 
+      - name: Install Python packages
+        run: |
+          git clone -b v2.1.0 https://github.com/capnproto/pycapnp
+          pip3 install ./pycapnp -C force-bundled-libcapnp=True --break-system-packages
+
       - name: Set Ccache directory
         run: echo "CCACHE_DIR=${RUNNER_TEMP}/ccache_dir" >> "$GITHUB_ENV"
 
diff --git a/ci/test/00_setup_env_native_asan.sh b/ci/test/00_setup_env_native_asan.sh
index a6f7385448e..e785f6ab51f 100755
--- a/ci/test/00_setup_env_native_asan.sh
+++ b/ci/test/00_setup_env_native_asan.sh
@@ -20,7 +20,8 @@ fi
 
 export CONTAINER_NAME=ci_native_asan
 export APT_LLVM_V="21"
-export PACKAGES="systemtap-sdt-dev clang-${APT_LLVM_V} llvm-${APT_LLVM_V} libclang-rt-${APT_LLVM_V}-dev python3-zmq qt6-base-dev qt6-tools-dev qt6-l10n-tools libevent-dev libboost-dev libzmq3-dev libqrencode-dev libsqlite3-dev ${BPFCC_PACKAGE} libcapnp-dev capnproto"
+export PACKAGES="systemtap-sdt-dev clang-${APT_LLVM_V} llvm-${APT_LLVM_V} libclang-rt-${APT_LLVM_V}-dev python3-zmq qt6-base-dev qt6-tools-dev qt6-l10n-tools libevent-dev libboost-dev libzmq3-dev libqrencode-dev libsqlite3-dev ${BPFCC_PACKAGE} libcapnp-dev capnproto python3-pip"
+export PIP_PACKAGES="--break-system-packages pycapnp"
 export NO_DEPENDS=1
 export GOAL="install"
 export CI_LIMIT_STACK_SIZE=1