diff --git a/class/defaults.yml b/class/defaults.yml
index d7bc0e9a4..b49c600d3 100644
--- a/class/defaults.yml
+++ b/class/defaults.yml
@@ -6,19 +6,19 @@ parameters:
         version: 1.16.0
       redis:
         source: https://charts.bitnami.com/bitnami
-        version: 17.7.1
+        version: 20.2.1
       mariadb:
         source: https://charts.bitnami.com/bitnami
-        version: 14.0.10
+        version: 20.0.0
       minio:
         source: https://charts.min.io
         version: 5.0.13
       keycloak:
         source: https://codecentric.github.io/helm-charts
-        version: 2.4.3
+        version: 18.4.4
       nextcloud:
         source: https://nextcloud.github.io/helm/
-        version: 5.0.0
+        version: 6.2.1
     images:
       provider-kubernetes:
         registry: xpkg.upbound.io
diff --git a/tests/golden/openshift/appcat/appcat/21_composition_vshn_redis.yaml b/tests/golden/openshift/appcat/appcat/21_composition_vshn_redis.yaml
index 1cf95f462..80d86f464 100644
--- a/tests/golden/openshift/appcat/appcat/21_composition_vshn_redis.yaml
+++ b/tests/golden/openshift/appcat/appcat/21_composition_vshn_redis.yaml
@@ -385,7 +385,7 @@ spec:
                   chart:
                     name: redis
                     repository: https://charts.bitnami.com/bitnami
-                    version: 17.7.1
+                    version: 20.2.1
                   values:
                     architecture: standalone
                     commonConfiguration: ''
diff --git a/tests/golden/vshn/appcat/appcat/21_composition_vshn_keycloak.yaml b/tests/golden/vshn/appcat/appcat/21_composition_vshn_keycloak.yaml
index cd73aedca..8c1fde1a7 100644
--- a/tests/golden/vshn/appcat/appcat/21_composition_vshn_keycloak.yaml
+++ b/tests/golden/vshn/appcat/appcat/21_composition_vshn_keycloak.yaml
@@ -29,7 +29,7 @@ spec:
         data:
           bucketRegion: lpg
           chartRepository: https://codecentric.github.io/helm-charts
-          chartVersion: 2.4.3
+          chartVersion: 18.4.4
           controlNamespace: syn-appcat-control
           crossplaneNamespace: syn-crossplane
           defaultPlan: standard-2
diff --git a/tests/golden/vshn/appcat/appcat/21_composition_vshn_mariadb.yaml b/tests/golden/vshn/appcat/appcat/21_composition_vshn_mariadb.yaml
index 44de7267e..69762f2e1 100644
--- a/tests/golden/vshn/appcat/appcat/21_composition_vshn_mariadb.yaml
+++ b/tests/golden/vshn/appcat/appcat/21_composition_vshn_mariadb.yaml
@@ -29,7 +29,7 @@ spec:
         data:
           bucketRegion: lpg
           chartRepository: https://charts.bitnami.com/bitnami
-          chartVersion: 14.0.10
+          chartVersion: 20.0.0
           controlNamespace: syn-appcat-control
           crossplaneNamespace: syn-crossplane
           defaultPlan: standard-1
diff --git a/tests/golden/vshn/appcat/appcat/21_composition_vshn_nextcloud.yaml b/tests/golden/vshn/appcat/appcat/21_composition_vshn_nextcloud.yaml
index 6880b248a..6a0617573 100644
--- a/tests/golden/vshn/appcat/appcat/21_composition_vshn_nextcloud.yaml
+++ b/tests/golden/vshn/appcat/appcat/21_composition_vshn_nextcloud.yaml
@@ -29,7 +29,7 @@ spec:
         data:
           bucketRegion: lpg
           chartRepository: https://nextcloud.github.io/helm/
-          chartVersion: 5.0.0
+          chartVersion: 6.2.1
           controlNamespace: syn-appcat-control
           crossplaneNamespace: syn-crossplane
           defaultPlan: standard-2
diff --git a/tests/golden/vshn/appcat/appcat/21_composition_vshn_redis.yaml b/tests/golden/vshn/appcat/appcat/21_composition_vshn_redis.yaml
index 472fe9487..f3dcbe26e 100644
--- a/tests/golden/vshn/appcat/appcat/21_composition_vshn_redis.yaml
+++ b/tests/golden/vshn/appcat/appcat/21_composition_vshn_redis.yaml
@@ -389,7 +389,7 @@ spec:
                   chart:
                     name: redis
                     repository: https://charts.bitnami.com/bitnami
-                    version: 17.7.1
+                    version: 20.2.1
                   values:
                     architecture: standalone
                     commonConfiguration: ''