diff --git a/charts/spire/charts/spire-server/README.md b/charts/spire/charts/spire-server/README.md
index 118b549..3688ce4 100644
--- a/charts/spire/charts/spire-server/README.md
+++ b/charts/spire/charts/spire-server/README.md
@@ -157,6 +157,7 @@ In order to run Tornjak with simple HTTP Connection only, make sure you don't cr
 | `adminIDs`                                                                                   | SPIFFE IDs that, when present in a caller’s X509-SVID, grant that caller admin privileges.                                                                                                                                                                                                                                                                                                           | `[]`                                                                                           |
 | `auditLogEnabled`                                                                            | If true, enables audit logging                                                                                                                                                                                                                                                                                                                                                                       | `false`                                                                                        |
 | `logLevel`                                                                                   | The log level, valid values are "debug", "info", "warn", and "error"                                                                                                                                                                                                                                                                                                                                 | `info`                                                                                         |
+| `logFormat`                                                                                  | The log format, valid values are "text" and "json"                                                                                                                                                                                                                                                                                                                                                   | `text`                                                                                         |
 | `jwtIssuer`                                                                                  | The JWT issuer domain. Defaults to oidc-discovery.$trustDomain if unset                                                                                                                                                                                                                                                                                                                              | `""`                                                                                           |
 | `clusterName`                                                                                | Set the name of the Kubernetes cluster. (`kubeadm init --service-dns-domain`)                                                                                                                                                                                                                                                                                                                        | `example-cluster`                                                                              |
 | `trustDomain`                                                                                | Set the trust domain to be used for the SPIFFE identifiers                                                                                                                                                                                                                                                                                                                                           | `example.org`                                                                                  |
diff --git a/charts/spire/charts/spire-server/templates/configmap.yaml b/charts/spire/charts/spire-server/templates/configmap.yaml
index 573069b..4e22858 100644
--- a/charts/spire/charts/spire-server/templates/configmap.yaml
+++ b/charts/spire/charts/spire-server/templates/configmap.yaml
@@ -52,6 +52,9 @@ server:
   trust_domain: {{ include "spire-lib.trust-domain" . | quote }}
   data_dir: "/run/spire/data"
   log_level: {{ .Values.logLevel | quote }}
+  {{- if .Values.logFormat }}
+  log_format: {{ .Values.logFormat | quote }}
+  {{- end }}
   jwt_issuer: {{ include "spire-lib.jwt-issuer" . | quote }}
   audit_log_enabled: {{ .Values.auditLogEnabled }}
 
diff --git a/charts/spire/charts/spire-server/values.yaml b/charts/spire/charts/spire-server/values.yaml
index 2ed50f8..9db8d29 100644
--- a/charts/spire/charts/spire-server/values.yaml
+++ b/charts/spire/charts/spire-server/values.yaml
@@ -230,6 +230,8 @@ adminIDs: []
 auditLogEnabled: false
 ## @param logLevel The log level, valid values are "debug", "info", "warn", and "error"
 logLevel: info
+## @param logFormat The log format, valid values are "text" and "json"
+logFormat: "text"
 ## @param jwtIssuer The JWT issuer domain. Defaults to oidc-discovery.$trustDomain if unset
 jwtIssuer: ""