diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bec1106..aa60e6e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,9 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: init
-        run: sudo apt update -yqq && sudo apt install -yqq ninja-build xorg-dev g++-13
+        run: |
+          sudo add-apt-repository ppa:ubuntu-toolchain-r/test
+          sudo apt update -yqq && sudo apt install -yqq ninja-build xorg-dev g++-13
       - name: configure gcc
         run: cmake -S . --preset=default -B build -DBAVE_BUILD_SHADERS=OFF -DBAVE_USE_FREETYPE=OFF -DCAPO_USE_OPENAL=OFF -DCMAKE_CXX_COMPILER=g++-13
       - name: configure clang
diff --git a/CMakeLists.txt b/CMakeLists.txt
index b448584..3753ed5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,7 +11,7 @@ include(FetchContent)
 FetchContent_Declare(
   bave
   GIT_REPOSITORY https://github.com/karnkaul/bave
-  GIT_TAG v0.5.2
+  GIT_TAG v0.5.4
   SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ext/bave"
 )