diff --git a/worker/fnal-wn-el8/Dockerfile b/worker/fnal-wn-el8/Dockerfile
index bfeb776..ed16649 100644
--- a/worker/fnal-wn-el8/Dockerfile
+++ b/worker/fnal-wn-el8/Dockerfile
@@ -60,8 +60,9 @@ RUN yum install -y  --enablerepo=powertools  --enablerepo=osg --enablerepo=osg-d
     gsi-openssh-clients myproxy voms-clients-cpp stashcp \
     python3-setuptools python3-future python3-gfal2-util
 
-# Installing apptainer 1.2.5 and not 1.3 from EPEL, to be able to use underlay on EL7 nodes
-RUN rpm -i https://github.com/apptainer/apptainer/releases/download/v1.2.5/apptainer-1.2.5-1.x86_64.rpm
+# Installing apptainer 1.2.5 (+requirements) and not 1.3 from EPEL, to be able to use underlay on EL7 nodes
+RUN yum install fakeroot squashfuse e2fsprogs fuse-overlayfs fuse3-libs libseccomp && \
+    rpm -i https://github.com/apptainer/apptainer/releases/download/v1.2.5/apptainer-1.2.5-1.x86_64.rpm
 
 # Leaving the default apptainer configuration
 #ADD shared/singularity.conf /etc/singularity/singularity.conf
diff --git a/worker/fnal-wn-el9/Dockerfile b/worker/fnal-wn-el9/Dockerfile
index c533aa4..dd11006 100644
--- a/worker/fnal-wn-el9/Dockerfile
+++ b/worker/fnal-wn-el9/Dockerfile
@@ -61,8 +61,9 @@ RUN yum install -y --enablerepo=crb --enablerepo=osg \
     gsi-openssh-clients myproxy voms-clients-cpp stashcp \
     python3-setuptools python3-future python3-gfal2-util
 
-# Installing apptainer 1.2.5 and not 1.3 from EPEL, to be able to use underlay on EL7 nodes
-RUN rpm -i https://github.com/apptainer/apptainer/releases/download/v1.2.5/apptainer-1.2.5-1.x86_64.rpm
+# Installing apptainer 1.2.5 (+requirements) and not 1.3 from EPEL, to be able to use underlay on EL7 nodes
+RUN yum install fakeroot squashfuse e2fsprogs fuse-overlayfs fuse3-libs libseccomp && \
+    rpm -i https://github.com/apptainer/apptainer/releases/download/v1.2.5/apptainer-1.2.5-1.x86_64.rpm
 
 # NOTE: redhat-lsb-core package is made available through AlmaLinux Devel repo
 RUN dnf install -y almalinux-release-devel
diff --git a/worker/fnal-wn-sl7/Dockerfile b/worker/fnal-wn-sl7/Dockerfile
index 4104afa..5d1140a 100644
--- a/worker/fnal-wn-sl7/Dockerfile
+++ b/worker/fnal-wn-sl7/Dockerfile
@@ -61,8 +61,9 @@ RUN yum install -y \
     fts-client gsi-openssh-clients myproxy voms-clients-cpp stashcp \
     python-setuptools python2-future python-backports-ssl_match_hostname python2-gfal2-util
 
-# Installing apptainer 1.2.5 and not 1.3 from EPEL, to be able to use underlay on EL7 nodes
-RUN rpm -i https://github.com/apptainer/apptainer/releases/download/v1.2.5/apptainer-1.2.5-1.x86_64.rpm
+# Installing apptainer 1.2.5 (+requirements) and not 1.3 from EPEL, to be able to use underlay on EL7 nodes
+RUN yum install fakeroot squashfuse e2fsprogs fuse-overlayfs fuse3-libs libseccomp && \
+    rpm -i https://github.com/apptainer/apptainer/releases/download/v1.2.5/apptainer-1.2.5-1.x86_64.rpm
 
 # install htgettoken from osg-development, this repo could have more updated versions that can be useful to have during initial token deployment phase
 RUN yum install -y --enablerepo=osg-development \