diff --git a/docs-old/resources/keycloak_realm.md b/docs-old/resources/keycloak_realm.md
index 07f12e95..f0d7bd6c 100644
--- a/docs-old/resources/keycloak_realm.md
+++ b/docs-old/resources/keycloak_realm.md
@@ -116,6 +116,7 @@ The attributes below should be specified as [Go duration strings](https://golang
 - `sso_session_max_lifespan_remember_me` - (Optional) The maximum amount of time before a "remember me" session expires regardless of activity.
 - `offline_session_idle_timeout` - (Optional) The amount of time an offline session can be idle before it expires.
 - `offline_session_max_lifespan` - (Optional) The maximum amount of time before an offline session expires regardless of activity.
+- `offline_session_max_lifespan_enabled` - (Optional) Enable `offline_session_max_lifespan`.
 - `access_token_lifespan` - (Optional) The amount of time an access token can be used before it expires.
 - `access_token_lifespan_for_implicit_flow` - (Optional) The amount of time an access token issued with the OpenID Connect Implicit Flow can be used before it expires.
 - `access_code_lifespan` - (Optional) The maximum amount of time a client has to finish the authorization code flow.
diff --git a/docs/resources/realm.md b/docs/resources/realm.md
index cb3b432e..0160b279 100644
--- a/docs/resources/realm.md
+++ b/docs/resources/realm.md
@@ -118,6 +118,7 @@ The arguments below should be specified as [Go duration strings](https://golang.
 - `sso_session_max_lifespan` - (Optional) The maximum amount of time before a session expires regardless of activity.
 - `offline_session_idle_timeout` - (Optional) The amount of time an offline session can be idle before it expires.
 - `offline_session_max_lifespan` - (Optional) The maximum amount of time before an offline session expires regardless of activity.
+- `offline_session_max_lifespan_enabled` - (Optional) Enable `offline_session_max_lifespan`.
 - `access_token_lifespan` - (Optional) The amount of time an access token can be used before it expires.
 - `access_token_lifespan_for_implicit_flow` - (Optional) The amount of time an access token issued with the OpenID Connect Implicit Flow can be used before it expires.
 - `access_code_lifespan` - (Optional) The maximum amount of time a client has to finish the authorization code flow.
diff --git a/keycloak/realm.go b/keycloak/realm.go
index d62dd40d..f1b6f530 100644
--- a/keycloak/realm.go
+++ b/keycloak/realm.go
@@ -58,6 +58,7 @@ type Realm struct {
 	SsoSessionMaxLifespanRememberMe     int    `json:"ssoSessionMaxLifespanRememberMe,omitempty"`
 	OfflineSessionIdleTimeout           int    `json:"offlineSessionIdleTimeout,omitempty"`
 	OfflineSessionMaxLifespan           int    `json:"offlineSessionMaxLifespan,omitempty"`
+	OfflineSessionMaxLifespanEnabled    bool   `json:"offlineSessionMaxLifespanEnabled,omitempty"`
 	AccessTokenLifespan                 int    `json:"accessTokenLifespan,omitempty"`
 	AccessTokenLifespanForImplicitFlow  int    `json:"accessTokenLifespanForImplicitFlow,omitempty"`
 	AccessCodeLifespan                  int    `json:"accessCodeLifespan,omitempty"`
diff --git a/provider/data_source_keycloak_realm.go b/provider/data_source_keycloak_realm.go
index 992ce463..563f5dd4 100644
--- a/provider/data_source_keycloak_realm.go
+++ b/provider/data_source_keycloak_realm.go
@@ -196,6 +196,10 @@ func dataSourceKeycloakRealm() *schema.Resource {
 				Type:     schema.TypeString,
 				Computed: true,
 			},
+			"offline_session_max_lifespan_enabled": {
+				Type:     schema.TypeBool,
+				Computed: true,
+			},
 			"access_token_lifespan": {
 				Type:     schema.TypeString,
 				Computed: true,
diff --git a/provider/resource_keycloak_realm.go b/provider/resource_keycloak_realm.go
index 9fe27859..1a728621 100644
--- a/provider/resource_keycloak_realm.go
+++ b/provider/resource_keycloak_realm.go
@@ -228,6 +228,11 @@ func resourceKeycloakRealm() *schema.Resource {
 				Computed:         true,
 				DiffSuppressFunc: suppressDurationStringDiff,
 			},
+			"offline_session_max_lifespan_enabled": {
+				Type:     schema.TypeBool,
+				Optional: true,
+				Default:  false,
+			},
 			"access_token_lifespan": {
 				Type:             schema.TypeString,
 				Optional:         true,
@@ -616,6 +621,10 @@ func getRealmFromData(data *schema.ResourceData) (*keycloak.Realm, error) {
 		realm.OfflineSessionMaxLifespan = offlineSessionMaxLifespanDurationString
 	}
 
+	if offlineSessionMaxLifespanEnabled, ok := data.GetOk("offline_session_max_lifespan_enabled"); ok {
+		realm.OfflineSessionMaxLifespanEnabled = offlineSessionMaxLifespanEnabled.(bool)
+	}
+
 	if accessTokenLifespan := data.Get("access_token_lifespan").(string); accessTokenLifespan != "" {
 		accessTokenLifespanDurationString, err := getSecondsFromDurationString(accessTokenLifespan)
 		if err != nil {
@@ -841,6 +850,7 @@ func setRealmData(data *schema.ResourceData, realm *keycloak.Realm) {
 	data.Set("sso_session_max_lifespan_remember_me", getDurationStringFromSeconds(realm.SsoSessionMaxLifespanRememberMe))
 	data.Set("offline_session_idle_timeout", getDurationStringFromSeconds(realm.OfflineSessionIdleTimeout))
 	data.Set("offline_session_max_lifespan", getDurationStringFromSeconds(realm.OfflineSessionMaxLifespan))
+	data.Set("offline_session_max_lifespan_enabled", realm.OfflineSessionMaxLifespanEnabled)
 	data.Set("access_token_lifespan", getDurationStringFromSeconds(realm.AccessTokenLifespan))
 	data.Set("access_token_lifespan_for_implicit_flow", getDurationStringFromSeconds(realm.AccessTokenLifespanForImplicitFlow))
 	data.Set("access_code_lifespan", getDurationStringFromSeconds(realm.AccessCodeLifespan))