diff --git a/class/defaults.yml b/class/defaults.yml
index f859100..959cd92 100644
--- a/class/defaults.yml
+++ b/class/defaults.yml
@@ -7,7 +7,7 @@ parameters:
       vault:
         registry: docker.io
         repository: hashicorp/vault
-        version: 1.15.6
+        version: 1.18.3
       bankvaults:
         registry: ghcr.io
         repository: bank-vaults/bank-vaults
diff --git a/tests/golden/defaults/vault/vault/10_vault/vault/templates/server-statefulset.yaml b/tests/golden/defaults/vault/vault/10_vault/vault/templates/server-statefulset.yaml
index 297e05b..862b66e 100644
--- a/tests/golden/defaults/vault/vault/10_vault/vault/templates/server-statefulset.yaml
+++ b/tests/golden/defaults/vault/vault/10_vault/vault/templates/server-statefulset.yaml
@@ -80,7 +80,7 @@ spec:
               value: https://$(HOSTNAME).foobar-internal:8201
             - name: HOME
               value: /home/vault
-          image: docker.io/hashicorp/vault:1.15.6
+          image: docker.io/hashicorp/vault:1.18.3
           imagePullPolicy: IfNotPresent
           lifecycle:
             preStop:
diff --git a/tests/golden/defaults/vault/vault/30_backup/32_backup.yaml b/tests/golden/defaults/vault/vault/30_backup/32_backup.yaml
index 652feb3..3eefd81 100644
--- a/tests/golden/defaults/vault/vault/30_backup/32_backup.yaml
+++ b/tests/golden/defaults/vault/vault/30_backup/32_backup.yaml
@@ -45,7 +45,7 @@ spec:
               value: 'true'
             - name: VAULT_ADDR
               value: http://foobar-active:8200
-          image: docker.io/hashicorp/vault:1.15.6
+          image: docker.io/hashicorp/vault:1.18.3
           imagePullPolicy: IfNotPresent
           name: backup
           ports: []