diff --git a/Dockerfile b/Dockerfile
index e51efe9e..4c6a3db6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -87,7 +87,7 @@ RUN set -eux; \
 # pgbackrest-exporter
 ARG PGBACKREST_EXPORTER_VERSION="0.16.1"
 RUN set -eux; \
-    pkg="pgbackrest_exporter_${PGBACKREST_EXPORTER_VERSION}_linux_$(arch)"; \
+    arch="$(arch)"; [ "$arch" = aarch64 ] && arch=arm64; pkg="pgbackrest_exporter_${PGBACKREST_EXPORTER_VERSION}_linux_${arch}"; \
     curl --silent \
         --location \
         --output /tmp/pkg.deb \
diff --git a/Makefile b/Makefile
index 1d6f24ff..8e7400da 100644
--- a/Makefile
+++ b/Makefile
@@ -22,7 +22,7 @@ TIMESCALEDB_VERSIONS?=all
 PROMSCALE_VERSIONS?=all
 TOOLKIT_VERSIONS?=all
 PGBOUNCER_EXPORTER_VERSION?=0.7.0
-PGBACKREST_EXPORTER_VERSION?=0.16.1
+PGBACKREST_EXPORTER_VERSION?=0.16.2
 
 # This is used to build the docker --platform, so pick amd64 or arm64
 PLATFORM?=amd64