diff --git a/openapi.json b/openapi.json
index 6b693ad..a8c91c5 100755
--- a/openapi.json
+++ b/openapi.json
@@ -9936,6 +9936,12 @@
           "metadata": {
             "$ref": "#/components/schemas/Metadata"
           },
+          "service_account_id": {
+            "description": "Identifier of the system-managed service account associated with this reader.\nPresent only for readers that are already paired.\nThis field is currently in beta and may change.",
+            "type": "string",
+            "format": "uuid",
+            "x-beta": true
+          },
           "created_at": {
             "description": "The timestamp of when the reader was created.",
             "type": "string",
diff --git a/src/main/java/com/sumup/sdk/models/Reader.java b/src/main/java/com/sumup/sdk/models/Reader.java
index a6f90d6..8c11639 100644
--- a/src/main/java/com/sumup/sdk/models/Reader.java
+++ b/src/main/java/com/sumup/sdk/models/Reader.java
@@ -29,6 +29,12 @@ public record Reader(
     /** Custom human-readable, user-defined name for easier identification of the reader. */
     com.sumup.sdk.models.ReaderName name,
 
+    /**
+     * Identifier of the system-managed service account associated with this reader. Present only
+     * for readers that are already paired. This field is currently in beta and may change.
+     */
+    java.util.UUID serviceAccountId,
+
     /**
      * The status of the reader object gives information about the current state of the reader.
      * Possible values: - `unknown` - The reader status is unknown. - `processing` - The reader is
@@ -56,6 +62,7 @@ public static final class Builder {
     private com.sumup.sdk.models.ReaderId id;
     private com.sumup.sdk.models.Metadata metadata;
     private com.sumup.sdk.models.ReaderName name;
+    private java.util.UUID serviceAccountId;
     private com.sumup.sdk.models.ReaderStatus status;
     private java.time.OffsetDateTime updatedAt;
 
@@ -121,6 +128,19 @@ public Builder name(com.sumup.sdk.models.ReaderName name) {
       return this;
     }
 
+    /**
+     * Sets the value for {@code serviceAccountId}.
+     *
+     * @param serviceAccountId Identifier of the system-managed service account associated with this
+     *     reader. Present only for readers that are already paired. This field is currently in beta
+     *     and may change.
+     * @return This builder instance.
+     */
+    public Builder serviceAccountId(java.util.UUID serviceAccountId) {
+      this.serviceAccountId = serviceAccountId;
+      return this;
+    }
+
     /**
      * Sets the value for {@code status}.
      *
@@ -160,6 +180,7 @@ public Reader build() {
           Objects.requireNonNull(id, "id"),
           metadata,
           Objects.requireNonNull(name, "name"),
+          serviceAccountId,
           Objects.requireNonNull(status, "status"),
           Objects.requireNonNull(updatedAt, "updatedAt"));
     }