diff --git a/Makefile b/Makefile
index efc761c16..72ffb05cf 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@ PGO_IMAGE_URL ?= https://www.crunchydata.com/products/crunchy-postgresql-for-kub
 PGO_IMAGE_PREFIX ?= localhost
 
 PGMONITOR_DIR ?= hack/tools/pgmonitor
-PGMONITOR_VERSION ?= v5.1.1
+PGMONITOR_VERSION ?= v5.1.1-RC1
 QUERIES_CONFIG_DIR ?= hack/tools/queries
 
 EXTERNAL_SNAPSHOTTER_DIR ?= hack/tools/external-snapshotter