diff --git a/percona-xtrabackup-2.4/Dockerfile b/percona-xtrabackup-2.4/Dockerfile
index e8cc29c7..fc338b48 100644
--- a/percona-xtrabackup-2.4/Dockerfile
+++ b/percona-xtrabackup-2.4/Dockerfile
@@ -25,7 +25,9 @@ RUN set -ex; \
     rm -rf "$GNUPGHOME" /tmp/percona-release.rpm; \
     rpm --import /etc/pki/rpm-gpg/PERCONA-PACKAGING-KEY; \
     #microdnf -y module disable mysql perl-DBD-MySQL; \
-    percona-release enable tools testing
+    percona-release enable tools testing; \
+    microdnf clean all; \
+    rm -rf /var/cache/dnf /var/cache/yum
 
 RUN set -ex; \
     curl -Lf -o /tmp/libev.rpm https://vault.centos.org/centos/8/AppStream/x86_64/os/Packages/libev-4.24-6.el8.x86_64.rpm; \
@@ -42,4 +44,4 @@ RUN set -ex; \
 
 VOLUME [ "/backup" ]
 
-CMD ["/usr/bin/xtrabackup"]
+CMD ["/usr/bin/xtrabackup"]
\ No newline at end of file
diff --git a/percona-xtrabackup-8.0/Dockerfile b/percona-xtrabackup-8.0/Dockerfile
index 2ce65608..3a3a1f07 100644
--- a/percona-xtrabackup-8.0/Dockerfile
+++ b/percona-xtrabackup-8.0/Dockerfile
@@ -28,12 +28,16 @@ RUN set -ex; \
     percona-release disable all; \
     #percona-release setup -y ps-80; \
     percona-release enable ps-80 testing; \
-    percona-release enable tools testing
+    percona-release enable tools testing; \
+    microdnf clean all; \
+    rm -rf /var/cache/dnf /var/cache/yum
 
 RUN set -ex; \
     microdnf -y install \
         tar \
-        shadow-utils
+        shadow-utils; \
+    microdnf clean all; \
+    rm -rf /var/cache/dnf /var/cache/yum
 
 # create mysql user/group before mysql installation
 RUN groupadd -g 1001 mysql; \
@@ -63,4 +67,4 @@ RUN install -d -o 1001 -g 0 -m 0775 /backup
 VOLUME [ "/backup" ]
 USER 1001
 
-CMD ["/usr/bin/xtrabackup"]
+CMD ["/usr/bin/xtrabackup"]
\ No newline at end of file