diff --git a/coeraise/custom/fleet.yaml b/coeraise/custom/fleet.yaml
index 570c79251f9983205b71f2c9b9d6883622dc77d8..636aa7e51508dcadf9ef3d99cde44613f3f31f16 100644
--- a/coeraise/custom/fleet.yaml
+++ b/coeraise/custom/fleet.yaml
@@ -15,7 +15,7 @@ helm:
   releaseName: coeraise-custom
   repo: https://kaas.pages.jsc.fz-juelich.de/helm-charts
   chart: jupyter-hub-customizations
-  version: 0.16.20
+  version: 0.16.21
   values:
     fullnameOverride: coeraise-custom
     global:
diff --git a/euroccgcs/custom/fleet.yaml b/euroccgcs/custom/fleet.yaml
index cb83b8db239f9b19e31e4700d919c76a3369d9d8..863eb104657ed81b47a5086580406a9be55e3a65 100644
--- a/euroccgcs/custom/fleet.yaml
+++ b/euroccgcs/custom/fleet.yaml
@@ -14,7 +14,7 @@ helm:
   releaseName: euroccgcs-custom
   repo: https://kaas.pages.jsc.fz-juelich.de/helm-charts
   chart: jupyter-hub-customizations
-  version: 0.16.20
+  version: 0.16.21
   values:
     fullnameOverride: euroccgcs-custom
     global:
diff --git a/juniq/custom/fleet.yaml b/juniq/custom/fleet.yaml
index afe900aa2eb4e3defb6ac4ef48d0189b7bfd1b52..108eb4042b5cc01e14e3eba8eec524868adfd08b 100644
--- a/juniq/custom/fleet.yaml
+++ b/juniq/custom/fleet.yaml
@@ -14,7 +14,7 @@ helm:
   releaseName: juniq-custom
   repo: https://kaas.pages.jsc.fz-juelich.de/helm-charts
   chart: jupyter-hub-customizations
-  version: 0.16.20
+  version: 0.16.21
   values:
     fullnameOverride: juniq-custom
     customConfig:
diff --git a/jupyterjsc/custom/fleet.yaml b/jupyterjsc/custom/fleet.yaml
index 7d421c093f8a0b32445a1b8f73c7d03e4c4b73d5..f99bc006fdccd10bdfda5cf82a79c10a7f1c2931 100644
--- a/jupyterjsc/custom/fleet.yaml
+++ b/jupyterjsc/custom/fleet.yaml
@@ -14,7 +14,7 @@ helm:
   releaseName: jupyterjsc-custom
   repo: https://kaas.pages.jsc.fz-juelich.de/helm-charts
   chart: jupyter-hub-customizations
-  version: 0.16.20
+  version: 0.16.21
   values:
     fullnameOverride: jupyterjsc-custom
     global:
diff --git a/nfdigeneral/custom/fleet.yaml b/nfdigeneral/custom/fleet.yaml
index e78a96bd3d1e37e84d1257657945c61cabef680d..7ef0a139ad5127c4a525161f7ac1924055f7b701 100644
--- a/nfdigeneral/custom/fleet.yaml
+++ b/nfdigeneral/custom/fleet.yaml
@@ -14,7 +14,7 @@ helm:
   releaseName: nfdigeneral-custom
   repo: https://kaas.pages.jsc.fz-juelich.de/helm-charts
   chart: jupyter-hub-customizations
-  version: 0.16.20
+  version: 0.16.21
   values:
     fullnameOverride: nfdigeneral-custom
     global:
diff --git a/portalgauss/custom/fleet.yaml b/portalgauss/custom/fleet.yaml
index 1b5e2cb6edcdcd9e6acc16b51aeb7641d62c0b69..52d664b380abfaf06f31b44f1bd9fab5309d59bb 100644
--- a/portalgauss/custom/fleet.yaml
+++ b/portalgauss/custom/fleet.yaml
@@ -14,7 +14,7 @@ helm:
   releaseName: portalgauss-custom
   repo: https://kaas.pages.jsc.fz-juelich.de/helm-charts
   chart: jupyter-hub-customizations
-  version: 0.16.20
+  version: 0.16.21
   values:
     fullnameOverride: portalgauss-custom
     global: