diff --git a/authentication/pom.xml b/authentication/pom.xml
index f478be9..7975937 100644
--- a/authentication/pom.xml
+++ b/authentication/pom.xml
@@ -5,7 +5,7 @@
     <artifactId>authentication-sdk</artifactId>
     <packaging>jar</packaging>
     <name>APS Java SDK : Authentication SDK</name>
-    <version>0.1.0-beta</version>
+    <version>0.1.1-beta</version>
     <description>Client SDK for Authentication API</description>
     <url>https://aps.autodesk.com/</url>
     <licenses>
@@ -152,7 +152,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <javax-annotation-version>1.3.2</javax-annotation-version>
         <swagger-annotations-version>2.2.30</swagger-annotations-version>
-        <autodesk-sdkmanager-version>0.1.0-beta</autodesk-sdkmanager-version>
+        <autodesk-sdkmanager-version>0.1.1-beta</autodesk-sdkmanager-version>
         <code-findbugs-version>3.0.2</code-findbugs-version>
         <maven-compiler-plugin-version>3.8.1</maven-compiler-plugin-version>
         <maven-enforcer-plugin-version>3.5.0</maven-enforcer-plugin-version>
diff --git a/authentication/src/main/java/com/autodesk/aps/authentication/model/TwoLeggedToken.java b/authentication/src/main/java/com/autodesk/aps/authentication/model/TwoLeggedToken.java
index ea79994..ce71947 100644
--- a/authentication/src/main/java/com/autodesk/aps/authentication/model/TwoLeggedToken.java
+++ b/authentication/src/main/java/com/autodesk/aps/authentication/model/TwoLeggedToken.java
@@ -23,6 +23,7 @@
 
 package com.autodesk.aps.authentication.model;
 
+import java.time.Instant;
 import java.util.Objects;
 
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
@@ -58,7 +59,7 @@ public class TwoLeggedToken {
   private Integer expiresIn;
 
   public static final String JSON_PROPERTY_EXPIRES_AT = "expires_at";
-  private Integer expiresAt;
+  private Long expiresAt;
 
   public TwoLeggedToken accessToken(String accessToken) {
 
@@ -134,10 +135,11 @@ public Integer getExpiresIn() {
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
   public void setExpiresIn(Integer expiresIn) {
     this.expiresIn = expiresIn;
+    // set expiresAt based on expiresIn
+    this.expiresAt = Instant.now().getEpochSecond() + expiresIn;
   }
 
-  public TwoLeggedToken expiresAt(Integer expiresAt) {
-
+  public TwoLeggedToken expiresAt(Long expiresAt) {
     this.expiresAt = expiresAt;
     return this;
   }
@@ -152,13 +154,13 @@ public TwoLeggedToken expiresAt(Integer expiresAt) {
   @JsonProperty(JSON_PROPERTY_EXPIRES_AT)
   @JsonInclude(value = JsonInclude.Include.NON_NULL)
 
-  public Integer getExpiresAt() {
+  public Long getExpiresAt() {
     return expiresAt;
   }
 
   @JsonProperty(JSON_PROPERTY_EXPIRES_AT)
   @JsonInclude(value = JsonInclude.Include.NON_NULL)
-  public void setExpiresAt(Integer expiresAt) {
+  public void setExpiresAt(Long expiresAt) {
     this.expiresAt = expiresAt;
   }
 
diff --git a/samples/pom.xml b/samples/pom.xml
index 4eabe80..4c1a53a 100644
--- a/samples/pom.xml
+++ b/samples/pom.xml
@@ -77,7 +77,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <autodesk-modelderivative-sdk-version>0.1.0-beta</autodesk-modelderivative-sdk-version>
         <autodesk-datamanagement-sdk-version>0.1.0-beta</autodesk-datamanagement-sdk-version>
-        <autodesk-authentication-sdk-version>0.1.0-beta</autodesk-authentication-sdk-version>
+        <autodesk-authentication-sdk-version>0.1.1-beta</autodesk-authentication-sdk-version>
         <autodesk-webhooks-sdk-version>0.1.0-beta</autodesk-webhooks-sdk-version>
         <autodesk-oss-sdk-version>0.1.0-beta</autodesk-oss-sdk-version>
         <maven-compiler-plugin-version>3.8.1</maven-compiler-plugin-version>
diff --git a/samples/src/main/java/com/autodesk/aps/samples/AuthenticationSample.java b/samples/src/main/java/com/autodesk/aps/samples/AuthenticationSample.java
index da2551d..9dd5c73 100644
--- a/samples/src/main/java/com/autodesk/aps/samples/AuthenticationSample.java
+++ b/samples/src/main/java/com/autodesk/aps/samples/AuthenticationSample.java
@@ -34,7 +34,6 @@ public class AuthenticationSample {
     String clientSecret = dotenv.get("CLIENT_SECRET");
     String accessToken = dotenv.get("ACCESS_TOKEN");
 
-
     void initialize() {
         SdkManager sdkManager = SdkManagerBuilder.create()
                 .addLogger(new ApsLogger(Level.DEBUG))
@@ -50,8 +49,8 @@ void getTwoLeggedToken() {
             System.out.println("ExpiresIn : " + response.getExpiresIn());
             System.out.println("TokenType : " + response.getTokenType());
 
-            Instant expiresAtInstant = Instant.ofEpochMilli(response.getExpiresIn());
-            LocalDateTime expiresAtLocal = LocalDateTime.ofInstant(expiresAtInstant, ZoneId.systemDefault());
+            LocalDateTime expiresAtLocal = LocalDateTime.ofInstant(Instant.ofEpochSecond(response.getExpiresAt()),
+                    ZoneId.systemDefault());
             System.out.println("ExpiresAt (Local Time) : " + expiresAtLocal);
 
         } catch (Exception e) {
diff --git a/sdkmanager/pom.xml b/sdkmanager/pom.xml
index 82041a4..28fdff6 100644
--- a/sdkmanager/pom.xml
+++ b/sdkmanager/pom.xml
@@ -5,7 +5,7 @@
     <artifactId>sdkmanager</artifactId>
     <packaging>jar</packaging>
     <name>APS Java SDK : SDK Manager</name>
-    <version>0.1.0-beta</version>
+    <version>0.1.1-beta</version>
     <description>Common SDK Manager to support the various Autodesk Platform Services SDKs.</description>
     <url>https://aps.autodesk.com/</url>
     <licenses>
@@ -119,9 +119,9 @@
         <maven.compiler.source>17</maven.compiler.source>
         <maven.compiler.target>17</maven.compiler.target>
         <resilience4j.version>2.2.0</resilience4j.version>
-        <httpcomponents.version>5.5</httpcomponents.version>
+        <httpcomponents.version>5.5.1</httpcomponents.version>
         <jackson.version>2.15.3</jackson.version>
-        <slf4j.version>2.0.9</slf4j.version>
-        <logback.version>1.4.12</logback.version>
+        <slf4j.version>2.0.17</slf4j.version>
+        <logback.version>1.5.21</logback.version>
     </properties>
 </project>
\ No newline at end of file