diff --git a/src/DIRAC/FrameworkSystem/Client/BundleDeliveryClient.py b/src/DIRAC/FrameworkSystem/Client/BundleDeliveryClient.py
index d51ab956769..66947900838 100644
--- a/src/DIRAC/FrameworkSystem/Client/BundleDeliveryClient.py
+++ b/src/DIRAC/FrameworkSystem/Client/BundleDeliveryClient.py
@@ -1,5 +1,5 @@
-""" Client for interacting with Framework/BundleDelivery service
-"""
+"""Client for interacting with Framework/BundleDelivery service"""
+
 import getpass
 import os
 import tarfile
@@ -143,9 +143,10 @@ def syncCAs(self):
         if "X509_CERT_DIR" in os.environ:
             X509_CERT_DIR = os.environ["X509_CERT_DIR"]
             del os.environ["X509_CERT_DIR"]
+        result = self.syncDir("CAs", Locations.getCAsLocation())
         if X509_CERT_DIR:
             os.environ["X509_CERT_DIR"] = X509_CERT_DIR
-        return self.syncDir("CAs", Locations.getCAsLocation())
+        return result
 
     def syncCRLs(self):
         """Synchronize CRLs
@@ -156,9 +157,10 @@ def syncCRLs(self):
         if "X509_CERT_DIR" in os.environ:
             X509_CERT_DIR = os.environ["X509_CERT_DIR"]
             del os.environ["X509_CERT_DIR"]
+        result = self.syncDir("CRLs", Locations.getCAsLocation())
         if X509_CERT_DIR:
             os.environ["X509_CERT_DIR"] = X509_CERT_DIR
-        return self.syncDir("CRLs", Locations.getCAsLocation())
+        return result
 
     def getCAs(self):
         """This method can be used to create the CAs. If the file can not be created,
diff --git a/src/DIRAC/FrameworkSystem/Service/BundleDeliveryHandler.py b/src/DIRAC/FrameworkSystem/Service/BundleDeliveryHandler.py
index 46ace20e700..362904eee3d 100644
--- a/src/DIRAC/FrameworkSystem/Service/BundleDeliveryHandler.py
+++ b/src/DIRAC/FrameworkSystem/Service/BundleDeliveryHandler.py
@@ -1,9 +1,9 @@
-""" Handler for CAs + CRLs bundles
-"""
+"""Handler for CAs + CRLs bundles"""
 
 import io
 import os
 import tarfile
+from pathlib import Path
 
 from DIRAC import S_ERROR, S_OK, gConfig, gLogger
 from DIRAC.Core.DISET.RequestHandler import RequestHandler
@@ -66,12 +66,15 @@ def updateBundles(self):
             buffer_ = io.BytesIO()
             filesToBundle = sorted(File.getGlobbedFiles(bundlePaths))
             if filesToBundle:
-                commonPath = os.path.commonprefix(filesToBundle)
-                commonEnd = len(commonPath)
-                gLogger.info(f"Bundle will have {len(filesToBundle)} files with common path {commonPath}")
+                paths = [Path(f) for f in filesToBundle]
+                # Path.parents is path-component-aware, unlike os.path.commonprefix
+                commonParent = (
+                    Path(os.path.commonpath(paths)).parent if len(paths) == 1 else Path(os.path.commonpath(paths))
+                )
+                gLogger.info(f"Bundle will have {len(filesToBundle)} files with common path {commonParent}")
                 with tarfile.open("dummy", "w:gz", buffer_) as tarBuffer:
-                    for filePath in filesToBundle:
-                        tarBuffer.add(filePath, filePath[commonEnd:])
+                    for p in paths:
+                        tarBuffer.add(str(p), str(p.relative_to(commonParent)))
                 zippedData = buffer_.getvalue()
                 buffer_.close()
                 hash_ = File.getMD5ForFiles(filesToBundle)
diff --git a/tests/CI/docker-compose.yml b/tests/CI/docker-compose.yml
index 4ed608f5a94..845cceb9829 100644
--- a/tests/CI/docker-compose.yml
+++ b/tests/CI/docker-compose.yml
@@ -1,6 +1,8 @@
 volumes:
   # Volume used to store the certificates of dirac
   certs_data:
+  # Volume used to store the crls of dirac
+  crls_data:
   # Volume used to store the config of diracx
   diracx-cs-store:
   # Volume used to store the pair of keys to sign the tokens
@@ -18,7 +20,13 @@ services:
     ports:
       - 3306:3306
     healthcheck:
-      test: ["CMD", "sh", "-c", "${MYSQL_ADMIN_COMMAND} ping -h localhost > /tmp/health.log 2>&1;"]
+      test:
+        [
+          "CMD",
+          "sh",
+          "-c",
+          "${MYSQL_ADMIN_COMMAND} ping -h localhost > /tmp/health.log 2>&1;",
+        ]
       timeout: 20s
       retries: 10
       start_period: 60s
@@ -33,7 +41,8 @@ services:
       - 9200:9200
     env_file: "${ES_VER}.env"
     healthcheck:
-      test: ["CMD", "curl", "-f", "-u", "elastic:changeme", "http://localhost:9200"]
+      test:
+        ["CMD", "curl", "-f", "-u", "elastic:changeme", "http://localhost:9200"]
       interval: 5s
       timeout: 2s
       retries: 15
@@ -53,7 +62,13 @@ services:
     depends_on:
       - iam-init-keystore
     healthcheck:
-      test: ["CMD", "curl", "-f", "http://localhost:8080/.well-known/openid-configuration"]
+      test:
+        [
+          "CMD",
+          "curl",
+          "-f",
+          "http://localhost:8080/.well-known/openid-configuration",
+        ]
       interval: 5s
       timeout: 2s
       retries: 15
@@ -116,6 +131,7 @@ services:
     container_name: dirac-init-certificates
     volumes:
       - certs_data:/ca/certs/
+      - crls_data:/ca/crl/
     entrypoint: |
       /entrypoint.sh
     pull_policy: always
@@ -146,6 +162,7 @@ services:
       nofile: 8192
     volumes:
       - certs_data:/ca/certs
+      - crls_data:/ca/crl/
       - diracx-cs-store:/cs_store
       - diracx-key-store:/keystore
     environment:
@@ -154,7 +171,6 @@ services:
     command: ["sleep", "infinity"] # This is necessary because of the issue described in https://github.com/moby/moby/issues/42275. What is added here is a hack/workaround.
     pull_policy: always
 
-
   dirac-client:
     platform: linux/amd64
     image: ${CI_REGISTRY_IMAGE}/${HOST_OS}-dirac
@@ -165,6 +181,7 @@ services:
       - dirac-server
     volumes:
       - certs_data:/ca/certs
+      - crls_data:/ca/crl/
     ulimits:
       nofile: 8192
     command: ["sleep", "infinity"] # This is necessary because of the issue described in https://github.com/moby/moby/issues/42275. What is added here is a hack/workaround.
@@ -180,6 +197,7 @@ services:
       - dirac-server
     volumes:
       - certs_data:/ca/certs
+      - crls_data:/ca/crl/
       - type: bind
         source: ${CVMFS_DIR}
         target: /cvmfs
@@ -195,7 +213,6 @@ services:
       start_period: 60s
     command: ["sleep", "infinity"] # This is necessary because of the issue described in https://github.com/moby/moby/issues/42275. What is added here is a hack/workaround.
 
-
   diracx-chmod:
     platform: linux/amd64
     image: ghcr.io/diracgrid/diracx/secret-generation:latest
@@ -210,7 +227,6 @@ services:
       bash -xc 'chmod -R o=u /keystore && chmod -R o=u /cs_store'
     pull_policy: always
 
-
   diracx-init-keystore:
     platform: linux/amd64
     image: ghcr.io/diracgrid/diracx/services:dev
@@ -308,7 +324,14 @@ services:
       /entrypoint.sh bash -xc 'uvicorn --factory diracx.routers:create_app --host=0.0.0.0'
 
     healthcheck:
-      test: ["CMD", "/entrypoint.sh", "python", "-c", "import requests; requests.get('http://localhost:8000/.well-known/openid-configuration').raise_for_status()"]
+      test:
+        [
+          "CMD",
+          "/entrypoint.sh",
+          "python",
+          "-c",
+          "import requests; requests.get('http://localhost:8000/.well-known/openid-configuration').raise_for_status()",
+        ]
       interval: 5s
       timeout: 2s
       retries: 15
diff --git a/tests/CI/run_pilot.sh b/tests/CI/run_pilot.sh
index f7827b8503f..a94ecce1b41 100755
--- a/tests/CI/run_pilot.sh
+++ b/tests/CI/run_pilot.sh
@@ -23,22 +23,27 @@ mkdir -p /home/dirac/etc/grid-security/vomsdir
 mkdir -p /home/dirac/etc/grid-security/vomses
 
 cp /ca/certs/ca.cert.pem /home/dirac/etc/grid-security/certificates
+cp /ca/certs/ca.crl.pem /home/dirac/etc/grid-security/certificates
 touch /home/dirac/etc/grid-security/vomsdir/vomsdir
 touch /home/dirac/etc/grid-security/vomses/vomses
+# Generate the hash link file required by openSSL to index CA certificates
+caHash=$(openssl x509 -in /home/dirac/etc/grid-security/certificates/ca.cert.pem -noout -hash)
+ln -s ca.cert.pem "/home/dirac/etc/grid-security/certificates/$caHash.0"
+tar --create --file "/home/dirac/etc/grid-security/certificates/$caHash.r0" --gzip /home/dirac/etc/grid-security/certificates/ca.crl.pem
 
 # Copy over the pilot proxy
 cp /ca/certs/pilot_proxy /tmp/x509up_u$UID
 
 eval "${PILOT_DOWNLOAD_COMMAND}"
 
-echo "${PILOT_JSON}" > pilot.json
-jq < pilot.json
+echo "${PILOT_JSON}" >pilot.json
+jq <pilot.json
 
-if command -v python &> /dev/null; then
+if command -v python &>/dev/null; then
   py='python'
-elif command -v python3 &> /dev/null; then
+elif command -v python3 &>/dev/null; then
   py='python3'
-elif command -v python2 &> /dev/null; then
+elif command -v python2 &>/dev/null; then
   py='python2'
 fi
 
diff --git a/tests/Jenkins/dirac_ci.sh b/tests/Jenkins/dirac_ci.sh
index cfdef01a8d7..b6e2c1e9671 100644
--- a/tests/Jenkins/dirac_ci.sh
+++ b/tests/Jenkins/dirac_ci.sh
@@ -115,8 +115,9 @@ installSite() {
 
   echo "==> CAs and certificates"
 
-  # Copy the CA to the list of trusted CA
+  # Copy the CA and CRL to the list of trusted CA
   cp "/ca/certs/ca.cert.pem" "${SERVERINSTALLDIR}/diracos/etc/grid-security/certificates/"
+  cp "/ca/certs/ca.crl.pem" "${SERVERINSTALLDIR}/diracos/etc/grid-security/certificates/"
 
   # Copy the cert and host key to the certificates directory
   cp /ca/certs/hostcert.pem "${SERVERINSTALLDIR}/diracos/etc/grid-security/"
@@ -128,6 +129,7 @@ installSite() {
   # because otherwise the BundleDeliveryClient will send the full path, which
   # will be wrong on the client
   ln -s "ca.cert.pem" "${SERVERINSTALLDIR}/diracos/etc/grid-security/certificates/$caHash.0"
+  tar --create --file "${SERVERINSTALLDIR}/diracos/etc/grid-security/certificates/$caHash.r0" --gzip "${SERVERINSTALLDIR}/diracos/etc/grid-security/certificates/ca.crl.pem"
 
   rm -rf "${SERVERINSTALLDIR}/etc"
   ln -s "${SERVERINSTALLDIR}/diracos/etc" "${SERVERINSTALLDIR}/etc"