diff --git a/.gitlab/build-tracing.sh b/.gitlab/build-tracing.sh
index 6b2a122700..a896e5847d 100755
--- a/.gitlab/build-tracing.sh
+++ b/.gitlab/build-tracing.sh
@@ -19,7 +19,7 @@ catch_warnings="${2:-1}"
 mkdir -p extensions_$(uname -m) standalone_$(uname -m)
 
 ECHO_ARG="-e"
-CFLAGS="-std=gnu11 -O2 -g -Wall -Wextra"
+export CFLAGS="-std=gnu11 -O2 -g -Wall -Wextra -flto=auto -ffat-lto-objects"
 if [ "${suffix}" = "-alpine" ]; then
   CFLAGS="${CFLAGS} -Wno-error=return-local-addr"
 fi