diff --git a/.cirrus.yml b/.cirrus.yml
index bb3d4acd70..a5f780728a 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -87,7 +87,7 @@ task:
     FILE_ENV: "./ci/test/00_setup_env_i686_centos.sh"
 
 task:
-  name: '[previous releases, uses qt5 dev package and some depends packages] [unsigned char] [focal]'
+  name: '[previous releases, uses qt5 dev package and some depends packages, DEBUG] [unsigned char] [focal]'
   # For faster CI feedback, immediately schedule a task that compiles most modules
   << : *CREDITS_TEMPLATE
   << : *GLOBAL_TASK_TEMPLATE
@@ -132,7 +132,7 @@ task:
     FILE_ENV: "./ci/test/00_setup_env_native_fuzz.sh"
 
 task:
-  name: '[multiprocess] [focal]'
+  name: '[multiprocess, DEBUG] [focal]'
   << : *GLOBAL_TASK_TEMPLATE
   container:
     image: ubuntu:focal
diff --git a/ci/test/00_setup_env_native_multiprocess.sh b/ci/test/00_setup_env_native_multiprocess.sh
index 74c57081a7..c070da4ef0 100755
--- a/ci/test/00_setup_env_native_multiprocess.sh
+++ b/ci/test/00_setup_env_native_multiprocess.sh
@@ -7,8 +7,8 @@
 export LC_ALL=C.UTF-8
 
 export CONTAINER_NAME=ci_native_multiprocess
-export PACKAGES="cmake python3"
-export DEP_OPTS="MULTIPROCESS=1"
+export PACKAGES="cmake python3 llvm clang"
+export DEP_OPTS="DEBUG=1 MULTIPROCESS=1"
 export GOAL="install"
-export BITCOIN_CONFIG="--with-boost-process"
+export BITCOIN_CONFIG="--with-boost-process --enable-debug CC=clang CXX=clang++" # Use clang to avoid OOM
 export TEST_RUNNER_ENV="BITCOIND=dash-node"