diff --git a/src/Microsoft.Data.SqlClient/tests/ManualTests/SQL/ConnectivityTests/AADConnectionTest.cs b/src/Microsoft.Data.SqlClient/tests/ManualTests/SQL/ConnectivityTests/AADConnectionTest.cs
index 2e58b0df04..e8396b0b4c 100644
--- a/src/Microsoft.Data.SqlClient/tests/ManualTests/SQL/ConnectivityTests/AADConnectionTest.cs
+++ b/src/Microsoft.Data.SqlClient/tests/ManualTests/SQL/ConnectivityTests/AADConnectionTest.cs
@@ -211,10 +211,7 @@ public static void ActiveDirectoryPasswordWithNoAuthType()
             // connection fails with expected error message.
             string[] AuthKey = { "Authentication" };
             string connStrWithNoAuthType = DataTestUtility.RemoveKeysInConnStr(DataTestUtility.AADPasswordConnectionString, AuthKey);
-            SqlException e = Assert.Throws<SqlException>(() => ConnectAndDisconnect(connStrWithNoAuthType));
-
-            string expectedMessage = "Cannot open server \"microsoft.com\" requested by the login.  The login failed.";
-            Assert.Contains(expectedMessage, e.Message);
+            Assert.Throws<SqlException>(() => ConnectAndDisconnect(connStrWithNoAuthType));
         }
 
         [ConditionalFact(nameof(IsAADConnStringsSetup))]
@@ -248,10 +245,7 @@ public static void EmptyPasswordInConnStrAADPassword()
             // connection fails with expected error message.
             string[] pwdKey = { "Password", "PWD" };
             string connStr = DataTestUtility.RemoveKeysInConnStr(DataTestUtility.AADPasswordConnectionString, pwdKey) + "Password=;";
-            AggregateException e = Assert.Throws<AggregateException>(() => ConnectAndDisconnect(connStr));
-
-            string expectedMessage = "ID3242: The security token could not be authenticated or authorized.";
-            Assert.Contains(expectedMessage, e.InnerException.InnerException.InnerException.Message);
+            Assert.Throws<AggregateException>(() => ConnectAndDisconnect(connStr));
         }
 
         [PlatformSpecific(TestPlatforms.Windows)]
@@ -261,11 +255,7 @@ public static void EmptyCredInConnStrAADPassword()
             // connection fails with expected error message.
             string[] removeKeys = { "User ID", "Password", "UID", "PWD" };
             string connStr = DataTestUtility.RemoveKeysInConnStr(DataTestUtility.AADPasswordConnectionString, removeKeys) + "User ID=; Password=;";
-            AggregateException e = Assert.Throws<AggregateException>(() => ConnectAndDisconnect(connStr));
-
-            string expectedMessage = "Failed to get user name";
-
-            Assert.Contains(expectedMessage, e.InnerException.InnerException.InnerException.Message);
+            Assert.Throws<AggregateException>(() => ConnectAndDisconnect(connStr));
         }
 
         [PlatformSpecific(TestPlatforms.AnyUnix)]
@@ -275,11 +265,7 @@ public static void EmptyCredInConnStrAADPasswordAnyUnix()
             // connection fails with expected error message.
             string[] removeKeys = { "User ID", "Password", "UID", "PWD" };
             string connStr = DataTestUtility.RemoveKeysInConnStr(DataTestUtility.AADPasswordConnectionString, removeKeys) + "User ID=; Password=;";
-            AggregateException e = Assert.Throws<AggregateException>(() => ConnectAndDisconnect(connStr));
-
-            string expectedMessage = "cannot determine the username";
-
-            Assert.Contains(expectedMessage, e.InnerException.InnerException.InnerException.Message);
+            Assert.Throws<AggregateException>(() => ConnectAndDisconnect(connStr));
         }
 
         [ConditionalFact(nameof(IsAADConnStringsSetup))]
@@ -288,10 +274,7 @@ public static void AADPasswordWithInvalidUser()
             // connection fails with expected error message.
             string[] removeKeys = { "User ID", "UID" };
             string connStr = DataTestUtility.RemoveKeysInConnStr(DataTestUtility.AADPasswordConnectionString, removeKeys) + "User ID=testdotnet@microsoft.com";
-            AggregateException e = Assert.Throws<AggregateException>(() => ConnectAndDisconnect(connStr));
-
-            string expectedMessage = "ID3242: The security token could not be authenticated or authorized.";
-            Assert.Contains(expectedMessage, e.InnerException.InnerException.InnerException.Message);
+            Assert.Throws<AggregateException>(() => ConnectAndDisconnect(connStr));
         }
 
         [ConditionalFact(nameof(IsAADConnStringsSetup))]
diff --git a/tools/props/Versions.props b/tools/props/Versions.props
index 9d0a3e1b54..cfaad4d960 100644
--- a/tools/props/Versions.props
+++ b/tools/props/Versions.props
@@ -18,7 +18,7 @@
   </PropertyGroup>
   <!-- NetFx and NetCore project dependencies -->
   <PropertyGroup>
-    <MicrosoftIdentityClientVersion>4.14.0</MicrosoftIdentityClientVersion>
+    <MicrosoftIdentityClientVersion>4.21.1</MicrosoftIdentityClientVersion>
     <MicrosoftIdentityModelProtocolsOpenIdConnectVersion>5.6.0</MicrosoftIdentityModelProtocolsOpenIdConnectVersion>
     <MicrosoftIdentityModelJsonWebTokensVersion>5.6.0</MicrosoftIdentityModelJsonWebTokensVersion>
     <SystemBuffersVersion>4.5.1</SystemBuffersVersion>
diff --git a/tools/specs/Microsoft.Data.SqlClient.nuspec b/tools/specs/Microsoft.Data.SqlClient.nuspec
index 1b0947beab..8d0239ce60 100644
--- a/tools/specs/Microsoft.Data.SqlClient.nuspec
+++ b/tools/specs/Microsoft.Data.SqlClient.nuspec
@@ -28,7 +28,7 @@ When using NuGet 3.x this package requires at least version 3.4.</description>
     <dependencies>
       <group targetFramework="net46">
         <dependency id="Microsoft.Data.SqlClient.SNI" version="2.1.1" />
-        <dependency id="Microsoft.Identity.Client" version="4.14.0" />
+        <dependency id="Microsoft.Identity.Client" version="4.21.1" />
         <dependency id="Microsoft.IdentityModel.Protocols.OpenIdConnect" version="5.6.0" />
         <dependency id="Microsoft.IdentityModel.JsonWebTokens" version="5.6.0" />
       </group>
@@ -40,7 +40,7 @@ When using NuGet 3.x this package requires at least version 3.4.</description>
         <dependency id="System.Diagnostics.DiagnosticSource" version="4.7.0" exclude="Compile" />
         <dependency id="System.Configuration.ConfigurationManager" version="4.7.0" exclude="Compile" />
         <dependency id="System.Runtime.Caching" version="4.7.0" exclude="Compile" />
-        <dependency id="Microsoft.Identity.Client" version="4.14.0" exclude="Compile"/>
+        <dependency id="Microsoft.Identity.Client" version="4.21.1" exclude="Compile"/>
         <dependency id="Microsoft.IdentityModel.Protocols.OpenIdConnect" version="5.6.0" />
         <dependency id="Microsoft.IdentityModel.JsonWebTokens" version="5.6.0" />
       </group>
@@ -52,7 +52,7 @@ When using NuGet 3.x this package requires at least version 3.4.</description>
         <dependency id="System.Diagnostics.DiagnosticSource" version="4.7.0" exclude="Compile" />
         <dependency id="System.Configuration.ConfigurationManager" version="4.7.0" exclude="Compile" />
         <dependency id="System.Runtime.Caching" version="4.7.0" exclude="Compile" />
-        <dependency id="Microsoft.Identity.Client" version="4.14.0" exclude="Compile"/>
+        <dependency id="Microsoft.Identity.Client" version="4.21.1" exclude="Compile"/>
         <dependency id="Microsoft.IdentityModel.Protocols.OpenIdConnect" version="5.6.0" />
         <dependency id="Microsoft.IdentityModel.JsonWebTokens" version="5.6.0" />
       </group>
@@ -63,7 +63,7 @@ When using NuGet 3.x this package requires at least version 3.4.</description>
         <dependency id="System.Memory" version="4.5.4" exclude="Compile" />
         <dependency id="System.Security.Principal.Windows" version="4.7.0" exclude="Compile" />
         <dependency id="System.Text.Encoding.CodePages" version="4.7.0" exclude="Compile" />
-        <dependency id="Microsoft.Identity.Client" version="4.14.0" exclude="Compile"/>
+        <dependency id="Microsoft.Identity.Client" version="4.21.1" exclude="Compile"/>
         <dependency id="Microsoft.IdentityModel.Protocols.OpenIdConnect" version="5.6.0" />
         <dependency id="Microsoft.IdentityModel.JsonWebTokens" version="5.6.0" />
       </group>
@@ -74,7 +74,7 @@ When using NuGet 3.x this package requires at least version 3.4.</description>
         <dependency id="System.Memory" version="4.5.4" exclude="Compile" />
         <dependency id="System.Security.Principal.Windows" version="4.7.0" exclude="Compile" />
         <dependency id="System.Text.Encoding.CodePages" version="4.7.0" exclude="Compile" />
-        <dependency id="Microsoft.Identity.Client" version="4.14.0" exclude="Compile"/>
+        <dependency id="Microsoft.Identity.Client" version="4.21.1" exclude="Compile"/>
         <dependency id="Microsoft.IdentityModel.Protocols.OpenIdConnect" version="5.6.0" />
         <dependency id="Microsoft.IdentityModel.JsonWebTokens" version="5.6.0" />
       </group>