diff --git a/CHANGELOG.md b/CHANGELOG.md
index 847b178..30f9f42 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@
   * `enterprise`
 * Add missing `num_uses` field to `AuthData`
 * Add `mount_type` attribute to common response model
+* Add `auth` attribute to common response model
 
 ### Dependencies
 * Updated Jackson to 2.17.1
diff --git a/src/main/java/de/stklcode/jvault/connector/model/response/AuthResponse.java b/src/main/java/de/stklcode/jvault/connector/model/response/AuthResponse.java
index faedbd7..9249654 100644
--- a/src/main/java/de/stklcode/jvault/connector/model/response/AuthResponse.java
+++ b/src/main/java/de/stklcode/jvault/connector/model/response/AuthResponse.java
@@ -17,11 +17,8 @@
 package de.stklcode.jvault.connector.model.response;
 
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
-import com.fasterxml.jackson.annotation.JsonProperty;
 import de.stklcode.jvault.connector.model.response.embedded.AuthData;
 
-import java.util.Objects;
-
 /**
  * Vault response for authentication providing auth info in {@link AuthData} field.
  *
@@ -31,30 +28,4 @@ import java.util.Objects;
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class AuthResponse extends VaultDataResponse {
     private static final long serialVersionUID = 1628851361067456715L;
-
-    @JsonProperty("auth")
-    private AuthData auth;
-
-    /**
-     * @return Authentication data
-     */
-    public AuthData getAuth() {
-        return auth;
-    }
-
-    @Override
-    public boolean equals(Object o) {
-        if (this == o) {
-            return true;
-        } else if (o == null || getClass() != o.getClass() || !super.equals(o)) {
-            return false;
-        }
-        AuthResponse that = (AuthResponse) o;
-        return Objects.equals(auth, that.auth);
-    }
-
-    @Override
-    public int hashCode() {
-        return Objects.hash(super.hashCode(), auth);
-    }
 }
diff --git a/src/main/java/de/stklcode/jvault/connector/model/response/TokenResponse.java b/src/main/java/de/stklcode/jvault/connector/model/response/TokenResponse.java
index d020892..de17cac 100644
--- a/src/main/java/de/stklcode/jvault/connector/model/response/TokenResponse.java
+++ b/src/main/java/de/stklcode/jvault/connector/model/response/TokenResponse.java
@@ -30,14 +30,11 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class TokenResponse extends VaultDataResponse {
-    private static final long serialVersionUID = -4053126653764241197L;
+    private static final long serialVersionUID = -4341114947980033457L;
 
     @JsonProperty("data")
     private TokenData data;
 
-    @JsonProperty("auth")
-    private Boolean auth;
-
     /**
      * @return Token data
      */
@@ -45,12 +42,6 @@ public final class TokenResponse extends VaultDataResponse {
         return data;
     }
 
-    /**
-     * @return Auth data
-     */
-    public Boolean getAuth() {
-        return auth;
-    }
 
     @Override
     public boolean equals(Object o) {
@@ -60,11 +51,11 @@ public final class TokenResponse extends VaultDataResponse {
             return false;
         }
         TokenResponse that = (TokenResponse) o;
-        return Objects.equals(data, that.data) && Objects.equals(auth, that.auth);
+        return Objects.equals(data, that.data);
     }
 
     @Override
     public int hashCode() {
-        return Objects.hash(super.hashCode(), data, auth);
+        return Objects.hash(super.hashCode(), data);
     }
 }
diff --git a/src/main/java/de/stklcode/jvault/connector/model/response/VaultDataResponse.java b/src/main/java/de/stklcode/jvault/connector/model/response/VaultDataResponse.java
index c193d60..8214204 100644
--- a/src/main/java/de/stklcode/jvault/connector/model/response/VaultDataResponse.java
+++ b/src/main/java/de/stklcode/jvault/connector/model/response/VaultDataResponse.java
@@ -17,6 +17,7 @@
 package de.stklcode.jvault.connector.model.response;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
+import de.stklcode.jvault.connector.model.response.embedded.AuthData;
 import de.stklcode.jvault.connector.model.response.embedded.WrapInfo;
 
 import java.util.List;
@@ -29,7 +30,7 @@ import java.util.Objects;
  * @since 0.1
  */
 public abstract class VaultDataResponse implements VaultResponse {
-    private static final long serialVersionUID = -6396903229092254181L;
+    private static final long serialVersionUID = 4787715235558510045L;
 
     @JsonProperty("request_id")
     private String requestId;
@@ -49,6 +50,9 @@ public abstract class VaultDataResponse implements VaultResponse {
     @JsonProperty("wrap_info")
     private WrapInfo wrapInfo;
 
+    @JsonProperty("auth")
+    private AuthData auth;
+
     @JsonProperty("mount_type")
     private String mountType;
 
@@ -96,6 +100,14 @@ public abstract class VaultDataResponse implements VaultResponse {
         return wrapInfo;
     }
 
+    /**
+     * @return Authentication information for this response
+     * @since 1.3
+     */
+    public final AuthData getAuth() {
+        return auth;
+    }
+
     /**
      * @return Information about the type of mount this secret is from (since Vault 1.17)
      * @since 1.3
@@ -117,11 +129,12 @@ public abstract class VaultDataResponse implements VaultResponse {
                 Objects.equals(leaseDuration, that.leaseDuration) &&
                 Objects.equals(warnings, that.warnings) &&
                 Objects.equals(wrapInfo, that.wrapInfo) &&
+                Objects.equals(auth, that.auth) &&
                 Objects.equals(mountType, that.mountType);
     }
 
     @Override
     public int hashCode() {
-        return Objects.hash(requestId, leaseId, renewable, leaseDuration, warnings, wrapInfo, mountType);
+        return Objects.hash(requestId, leaseId, renewable, leaseDuration, warnings, wrapInfo, auth, mountType);
     }
 }