diff --git a/.drone.yml b/.drone.yml
index e0d38d8..59b75f6 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -7,14 +7,14 @@ steps:
     image: deukhoofd/linux64builder
     commands:
       - cmake -DCMAKE_BUILD_TYPE=Debug . -B build-debug
-      - conan install . --install=folder=build-debug --build missing
+      - conan install . --install=folder=build-debug --build missing -s compiler='clang' -s compiler.version=8 -s compiler.libcxx=libstdc++11 -s build_type=Debug
       - cmake --build build-debug --target all -- -j 4
       - build-debug/CreatureLibTests -s --durations yes --use-colour yes
   - name: test-release-linux
     image: deukhoofd/linux64builder
     commands:
       - cmake -DCMAKE_BUILD_TYPE=Release . -B build-release
-      - conan install . --install=folder=build-release --build missing
+      - conan install . --install=folder=build-release --build missing -s compiler='clang' -s compiler.version=8 -s compiler.libcxx=libstdc++11 -s build_type=Release
       - cmake --build build-release --target all -- -j 4
       - build-release/CreatureLibTests -s --durations yes --use-colour yes
       - valgrind --tool=memcheck --gen-suppressions=all --leak-check=full --leak-resolution=med --track-origins=yes --vgdb=no --error-exitcode=1 build-release/CreatureLibTests