diff --git a/patches/0021-debian-rules-fix-buildtype.patch b/patches/0021-debian-rules-fix-buildtype.patch
new file mode 100644
index 000000000..8b6ef6b56
--- /dev/null
+++ b/patches/0021-debian-rules-fix-buildtype.patch
@@ -0,0 +1,22 @@
+From 1f4b106d49fc916994d97e273599f75caa904c3b Mon Sep 17 00:00:00 2001
+From: Mark Nelson <mark.nelson@clyso.com>
+Date: Thu, 14 Dec 2023 05:19:46 +0000
+Subject: [PATCH] debian/rules: Fix build_type for massive performance gain
+
+Signed-off-by: Mark Nelson <mark.nelson@clyso.com>
+---
+ debian/rules | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/debian/rules b/debian/rules
+index ed7f4a255ed4b..b28abb7d62788 100755
+--- a/debian/rules
++++ b/debian/rules
+@@ -29,6 +29,7 @@ extraopts += -DWITH_PYTHON3=3
+ extraopts += -DWITH_CEPHFS_JAVA=ON
+ extraopts += -DWITH_CEPHFS_SHELL=ON
+ extraopts += -DWITH_SYSTEMD=ON -DCEPH_SYSTEMD_ENV_DIR=/etc/default
++extraopts += -DCMAKE_BUILD_TYPE=RelWithDebInfo
+ extraopts += -DWITH_GRAFANA=ON
+ ifeq ($(DEB_HOST_ARCH), amd64)
+   extraopts += -DWITH_RBD_RWL=ON
diff --git a/patches/series b/patches/series
index 67a52ae7c..d9a3ff8f4 100644
--- a/patches/series
+++ b/patches/series
@@ -13,3 +13,4 @@
 0016-d-rules-fix-no-restart-on-upgrade.patch
 0017-python3.10-pep-620.patch
 0020-fix-4759-run-ceph-crash-daemon-with-www-data-group-f.patch
+0021-debian-rules-fix-buildtype.patch
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