diff --git a/Project/Assets/ML-Agents/Examples/SharedAssets/Scripts/ModelOverrider.cs b/Project/Assets/ML-Agents/Examples/SharedAssets/Scripts/ModelOverrider.cs
index 81d46b8df4..aaa1476448 100644
--- a/Project/Assets/ML-Agents/Examples/SharedAssets/Scripts/ModelOverrider.cs
+++ b/Project/Assets/ML-Agents/Examples/SharedAssets/Scripts/ModelOverrider.cs
@@ -1,7 +1,7 @@
 using System;
 using System.Collections.Generic;
 using UnityEngine;
-using Barracuda;
+using Unity.Barracuda;
 using System.IO;
 using Unity.MLAgents;
 using Unity.MLAgents.Policies;
diff --git a/Project/Assets/ML-Agents/Examples/WallJump/Scripts/WallJumpAgent.cs b/Project/Assets/ML-Agents/Examples/WallJump/Scripts/WallJumpAgent.cs
index 1111d00dc8..5d40ec0927 100644
--- a/Project/Assets/ML-Agents/Examples/WallJump/Scripts/WallJumpAgent.cs
+++ b/Project/Assets/ML-Agents/Examples/WallJump/Scripts/WallJumpAgent.cs
@@ -3,7 +3,7 @@
 using System.Collections;
 using UnityEngine;
 using Unity.MLAgents;
-using Barracuda;
+using Unity.Barracuda;
 using Unity.MLAgents.Sensors;
 
 public class WallJumpAgent : Agent
diff --git a/com.unity.ml-agents/CHANGELOG.md b/com.unity.ml-agents/CHANGELOG.md
index 9a6e9e6029..04b7de26fb 100755
--- a/com.unity.ml-agents/CHANGELOG.md
+++ b/com.unity.ml-agents/CHANGELOG.md
@@ -43,6 +43,7 @@ and this project adheres to
   C# style conventions. All public fields and properties now use "PascalCase"
   instead of "camelCase"; for example, `Agent.maxStep` was renamed to
   `Agent.MaxStep`. For a full list of changes, see the pull request. (#3828)
+- Updated to Barracuda 0.7.0-preivew which has breaking namespace and assembly name changes.
 #### ml-agents / ml-agents-envs / gym-unity (Python)
 - The `--load` and `--train` command-line flags have been deprecated. Training
   now happens by default, and use `--resume` to resume training instead. (#3705)
diff --git a/com.unity.ml-agents/Editor/BehaviorParametersEditor.cs b/com.unity.ml-agents/Editor/BehaviorParametersEditor.cs
index b10d490486..3cf6810712 100644
--- a/com.unity.ml-agents/Editor/BehaviorParametersEditor.cs
+++ b/com.unity.ml-agents/Editor/BehaviorParametersEditor.cs
@@ -1,7 +1,7 @@
 using Unity.MLAgents.Sensors;
 using UnityEditor;
-using Barracuda;
 using Unity.MLAgents.Policies;
+using Unity.Barracuda;
 using UnityEngine;
 
 namespace Unity.MLAgents.Editor
diff --git a/com.unity.ml-agents/Editor/Unity.ML-Agents.Editor.asmdef b/com.unity.ml-agents/Editor/Unity.ML-Agents.Editor.asmdef
index e83013881e..53a0ff77fd 100755
--- a/com.unity.ml-agents/Editor/Unity.ML-Agents.Editor.asmdef
+++ b/com.unity.ml-agents/Editor/Unity.ML-Agents.Editor.asmdef
@@ -2,7 +2,7 @@
     "name": "Unity.ML-Agents.Editor",
     "references": [
         "Unity.ML-Agents",
-        "Barracuda",
+        "Unity.Barracuda",
         "Unity.ML-Agents.CommunicatorObjects"
     ],
     "optionalUnityReferences": [],
@@ -15,4 +15,4 @@
     "precompiledReferences": [],
     "autoReferenced": true,
     "defineConstraints": []
-}
\ No newline at end of file
+}
diff --git a/com.unity.ml-agents/Runtime/Academy.cs b/com.unity.ml-agents/Runtime/Academy.cs
index d014f4aed3..5a8f206521 100644
--- a/com.unity.ml-agents/Runtime/Academy.cs
+++ b/com.unity.ml-agents/Runtime/Academy.cs
@@ -7,7 +7,7 @@
 using Unity.MLAgents.Inference;
 using Unity.MLAgents.Policies;
 using Unity.MLAgents.SideChannels;
-using Barracuda;
+using Unity.Barracuda;
 
 /**
  * Welcome to Unity Machine Learning Agents (ML-Agents).
diff --git a/com.unity.ml-agents/Runtime/Agent.cs b/com.unity.ml-agents/Runtime/Agent.cs
index 1bb58bb19c..5f3e0aa550 100644
--- a/com.unity.ml-agents/Runtime/Agent.cs
+++ b/com.unity.ml-agents/Runtime/Agent.cs
@@ -2,10 +2,10 @@
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using UnityEngine;
-using Barracuda;
 using Unity.MLAgents.Sensors;
 using Unity.MLAgents.Demonstrations;
 using Unity.MLAgents.Policies;
+using Unity.Barracuda;
 using UnityEngine.Serialization;
 
 namespace Unity.MLAgents
diff --git a/com.unity.ml-agents/Runtime/Inference/ApplierImpl.cs b/com.unity.ml-agents/Runtime/Inference/ApplierImpl.cs
index 7d69bd35b6..c171df5958 100644
--- a/com.unity.ml-agents/Runtime/Inference/ApplierImpl.cs
+++ b/com.unity.ml-agents/Runtime/Inference/ApplierImpl.cs
@@ -1,8 +1,8 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using Barracuda;
 using Unity.MLAgents.Inference.Utils;
+using Unity.Barracuda;
 using UnityEngine;
 
 namespace Unity.MLAgents.Inference
diff --git a/com.unity.ml-agents/Runtime/Inference/BarracudaModelParamLoader.cs b/com.unity.ml-agents/Runtime/Inference/BarracudaModelParamLoader.cs
index 3be22f5060..6c9ef913f3 100644
--- a/com.unity.ml-agents/Runtime/Inference/BarracudaModelParamLoader.cs
+++ b/com.unity.ml-agents/Runtime/Inference/BarracudaModelParamLoader.cs
@@ -1,9 +1,9 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using Barracuda;
 using Unity.MLAgents.Sensors;
 using Unity.MLAgents.Policies;
+using Unity.Barracuda;
 
 namespace Unity.MLAgents.Inference
 {
@@ -590,7 +590,7 @@ static IEnumerable<string> CheckOutputTensorShape(
                     "suggest Continuous Control.");
                 return failedModelChecks;
             }
-            var tensorTester = new Dictionary<string, Func<BrainParameters, TensorShape, int, string>>();
+            var tensorTester = new Dictionary<string, Func<BrainParameters, TensorShape?, int, string>>();
             if (brainParameters.VectorActionSpaceType == SpaceType.Continuous)
             {
                 tensorTester[TensorNames.ActionOutput] = CheckContinuousActionOutputShape;
@@ -604,7 +604,7 @@ static IEnumerable<string> CheckOutputTensorShape(
             {
                 if (tensorTester.ContainsKey(name))
                 {
-                    var tester = tensorTester[name];
+                    Func<BrainParameters, TensorShape?, int, string> tester = tensorTester[name];
                     var error = tester.Invoke(brainParameters, model.GetShapeByName(name), modelActionSize);
                     if (error != null)
                     {
@@ -631,7 +631,7 @@ static IEnumerable<string> CheckOutputTensorShape(
         /// check failed. If the check passed, returns null.
         /// </returns>
         static string CheckDiscreteActionOutputShape(
-            BrainParameters brainParameters, TensorShape shape, int modelActionSize)
+            BrainParameters brainParameters, TensorShape? shape, int modelActionSize)
         {
             var bpActionSize = brainParameters.VectorActionSize.Sum();
             if (modelActionSize != bpActionSize)
@@ -656,7 +656,7 @@ static string CheckDiscreteActionOutputShape(
         /// <returns>If the Check failed, returns a string containing information about why the
         /// check failed. If the check passed, returns null.</returns>
         static string CheckContinuousActionOutputShape(
-            BrainParameters brainParameters, TensorShape shape, int modelActionSize)
+            BrainParameters brainParameters, TensorShape? shape, int modelActionSize)
         {
             var bpActionSize = brainParameters.VectorActionSize[0];
             if (modelActionSize != bpActionSize)
diff --git a/com.unity.ml-agents/Runtime/Inference/GeneratorImpl.cs b/com.unity.ml-agents/Runtime/Inference/GeneratorImpl.cs
index b2f8ded90c..3bf14ee44f 100644
--- a/com.unity.ml-agents/Runtime/Inference/GeneratorImpl.cs
+++ b/com.unity.ml-agents/Runtime/Inference/GeneratorImpl.cs
@@ -1,7 +1,7 @@
 using System.Collections.Generic;
 using System;
-using Barracuda;
 using Unity.MLAgents.Inference.Utils;
+using Unity.Barracuda;
 using UnityEngine;
 using Unity.MLAgents.Sensors;
 
diff --git a/com.unity.ml-agents/Runtime/Inference/ModelRunner.cs b/com.unity.ml-agents/Runtime/Inference/ModelRunner.cs
index a6084f086e..584591803a 100644
--- a/com.unity.ml-agents/Runtime/Inference/ModelRunner.cs
+++ b/com.unity.ml-agents/Runtime/Inference/ModelRunner.cs
@@ -1,5 +1,5 @@
 using System.Collections.Generic;
-using Barracuda;
+using Unity.Barracuda;
 using UnityEngine.Profiling;
 using Unity.MLAgents.Sensors;
 using Unity.MLAgents.Policies;
diff --git a/com.unity.ml-agents/Runtime/Inference/TensorApplier.cs b/com.unity.ml-agents/Runtime/Inference/TensorApplier.cs
index fcab4e4c4a..6705a71bda 100644
--- a/com.unity.ml-agents/Runtime/Inference/TensorApplier.cs
+++ b/com.unity.ml-agents/Runtime/Inference/TensorApplier.cs
@@ -1,6 +1,6 @@
 using System.Collections.Generic;
-using Barracuda;
 using Unity.MLAgents.Policies;
+using Unity.Barracuda;
 
 namespace Unity.MLAgents.Inference
 {
diff --git a/com.unity.ml-agents/Runtime/Inference/TensorGenerator.cs b/com.unity.ml-agents/Runtime/Inference/TensorGenerator.cs
index 62353250ff..af78a1e794 100644
--- a/com.unity.ml-agents/Runtime/Inference/TensorGenerator.cs
+++ b/com.unity.ml-agents/Runtime/Inference/TensorGenerator.cs
@@ -1,6 +1,6 @@
 using System.Collections.Generic;
-using Barracuda;
 using Unity.MLAgents.Sensors;
+using Unity.Barracuda;
 
 namespace Unity.MLAgents.Inference
 {
diff --git a/com.unity.ml-agents/Runtime/Inference/TensorProxy.cs b/com.unity.ml-agents/Runtime/Inference/TensorProxy.cs
index ba59b8edf1..3dc3ed3c97 100644
--- a/com.unity.ml-agents/Runtime/Inference/TensorProxy.cs
+++ b/com.unity.ml-agents/Runtime/Inference/TensorProxy.cs
@@ -1,7 +1,7 @@
 using System;
 using System.Collections.Generic;
-using Barracuda;
 using Unity.MLAgents.Inference.Utils;
+using Unity.Barracuda;
 
 namespace Unity.MLAgents.Inference
 {
diff --git a/com.unity.ml-agents/Runtime/Policies/BarracudaPolicy.cs b/com.unity.ml-agents/Runtime/Policies/BarracudaPolicy.cs
index e13f691fec..6c6bcec4c1 100644
--- a/com.unity.ml-agents/Runtime/Policies/BarracudaPolicy.cs
+++ b/com.unity.ml-agents/Runtime/Policies/BarracudaPolicy.cs
@@ -1,4 +1,4 @@
-using Barracuda;
+using Unity.Barracuda;
 using System.Collections.Generic;
 using Unity.MLAgents.Inference;
 using Unity.MLAgents.Sensors;
diff --git a/com.unity.ml-agents/Runtime/Policies/BehaviorParameters.cs b/com.unity.ml-agents/Runtime/Policies/BehaviorParameters.cs
index 224a79eabb..013df3bad4 100644
--- a/com.unity.ml-agents/Runtime/Policies/BehaviorParameters.cs
+++ b/com.unity.ml-agents/Runtime/Policies/BehaviorParameters.cs
@@ -1,4 +1,4 @@
-using Barracuda;
+using Unity.Barracuda;
 using System;
 using UnityEngine;
 using UnityEngine.Serialization;
diff --git a/com.unity.ml-agents/Runtime/Sensors/ObservationWriter.cs b/com.unity.ml-agents/Runtime/Sensors/ObservationWriter.cs
index 4afb107e9e..63e4bceb63 100644
--- a/com.unity.ml-agents/Runtime/Sensors/ObservationWriter.cs
+++ b/com.unity.ml-agents/Runtime/Sensors/ObservationWriter.cs
@@ -1,7 +1,7 @@
 using System;
 using System.Collections.Generic;
-using Barracuda;
 using Unity.MLAgents.Inference;
+using Unity.Barracuda;
 
 namespace Unity.MLAgents.Sensors
 {
diff --git a/com.unity.ml-agents/Runtime/Unity.ML-Agents.asmdef b/com.unity.ml-agents/Runtime/Unity.ML-Agents.asmdef
index 8ded00fdb4..3086da3ac4 100755
--- a/com.unity.ml-agents/Runtime/Unity.ML-Agents.asmdef
+++ b/com.unity.ml-agents/Runtime/Unity.ML-Agents.asmdef
@@ -1,7 +1,7 @@
 {
     "name": "Unity.ML-Agents",
     "references": [
-        "Barracuda",
+        "Unity.Barracuda",
         "Unity.ML-Agents.CommunicatorObjects"
     ],
     "optionalUnityReferences": [],
@@ -16,4 +16,4 @@
     ],
     "autoReferenced": true,
     "defineConstraints": []
-}
\ No newline at end of file
+}
diff --git a/com.unity.ml-agents/Tests/Editor/DiscreteActionOutputApplierTest.cs b/com.unity.ml-agents/Tests/Editor/DiscreteActionOutputApplierTest.cs
index 282f6ab94b..68c87dcaed 100644
--- a/com.unity.ml-agents/Tests/Editor/DiscreteActionOutputApplierTest.cs
+++ b/com.unity.ml-agents/Tests/Editor/DiscreteActionOutputApplierTest.cs
@@ -1,5 +1,5 @@
 using System;
-using Barracuda;
+using Unity.Barracuda;
 using NUnit.Framework;
 using UnityEngine;
 using Unity.MLAgents.Inference;
diff --git a/com.unity.ml-agents/Tests/Editor/EditModeTestInternalBrainTensorApplier.cs b/com.unity.ml-agents/Tests/Editor/EditModeTestInternalBrainTensorApplier.cs
index 6536013d82..178cada91e 100644
--- a/com.unity.ml-agents/Tests/Editor/EditModeTestInternalBrainTensorApplier.cs
+++ b/com.unity.ml-agents/Tests/Editor/EditModeTestInternalBrainTensorApplier.cs
@@ -1,8 +1,8 @@
 using System.Collections.Generic;
 using NUnit.Framework;
-using Barracuda;
 using Unity.MLAgents.Inference;
 using Unity.MLAgents.Policies;
+using Unity.Barracuda;
 
 namespace Unity.MLAgents.Tests
 {
diff --git a/com.unity.ml-agents/Tests/Editor/EditModeTestInternalBrainTensorGenerator.cs b/com.unity.ml-agents/Tests/Editor/EditModeTestInternalBrainTensorGenerator.cs
index 17d12d0396..c5434b842f 100644
--- a/com.unity.ml-agents/Tests/Editor/EditModeTestInternalBrainTensorGenerator.cs
+++ b/com.unity.ml-agents/Tests/Editor/EditModeTestInternalBrainTensorGenerator.cs
@@ -1,5 +1,5 @@
 using System.Collections.Generic;
-using Barracuda;
+using Unity.Barracuda;
 using NUnit.Framework;
 using UnityEngine;
 using Unity.MLAgents.Inference;
diff --git a/com.unity.ml-agents/Tests/Editor/ModelRunnerTest.cs b/com.unity.ml-agents/Tests/Editor/ModelRunnerTest.cs
index e89c5c8a25..d563062315 100644
--- a/com.unity.ml-agents/Tests/Editor/ModelRunnerTest.cs
+++ b/com.unity.ml-agents/Tests/Editor/ModelRunnerTest.cs
@@ -1,9 +1,9 @@
 using NUnit.Framework;
 using UnityEngine;
 using UnityEditor;
-using Barracuda;
 using Unity.MLAgents.Inference;
 using Unity.MLAgents.Sensors;
+using Unity.Barracuda;
 using System.Linq;
 using Unity.MLAgents.Policies;
 
diff --git a/com.unity.ml-agents/Tests/Editor/ParameterLoaderTest.cs b/com.unity.ml-agents/Tests/Editor/ParameterLoaderTest.cs
index 3e6f733ac7..261a4df52f 100644
--- a/com.unity.ml-agents/Tests/Editor/ParameterLoaderTest.cs
+++ b/com.unity.ml-agents/Tests/Editor/ParameterLoaderTest.cs
@@ -1,9 +1,9 @@
 using NUnit.Framework;
 using UnityEngine;
 using UnityEditor;
-using Barracuda;
 using Unity.MLAgents.Inference;
 using Unity.MLAgents.Sensors;
+using Unity.Barracuda;
 using System.Linq;
 using Unity.MLAgents.Policies;
 
diff --git a/com.unity.ml-agents/Tests/Editor/Sensor/ObservationWriterTests.cs b/com.unity.ml-agents/Tests/Editor/Sensor/ObservationWriterTests.cs
index ac5c0f83ce..9ab95244ab 100644
--- a/com.unity.ml-agents/Tests/Editor/Sensor/ObservationWriterTests.cs
+++ b/com.unity.ml-agents/Tests/Editor/Sensor/ObservationWriterTests.cs
@@ -1,7 +1,7 @@
 using NUnit.Framework;
 using Unity.MLAgents.Sensors;
-using Barracuda;
 using Unity.MLAgents.Inference;
+using Unity.Barracuda;
 
 
 namespace Unity.MLAgents.Tests
diff --git a/com.unity.ml-agents/Tests/Editor/TensorUtilsTest.cs b/com.unity.ml-agents/Tests/Editor/TensorUtilsTest.cs
index c1a3251e76..4e3dd61588 100644
--- a/com.unity.ml-agents/Tests/Editor/TensorUtilsTest.cs
+++ b/com.unity.ml-agents/Tests/Editor/TensorUtilsTest.cs
@@ -1,7 +1,7 @@
 using System;
-using Barracuda;
 using Unity.MLAgents.Inference;
 using Unity.MLAgents.Inference.Utils;
+using Unity.Barracuda;
 using NUnit.Framework;
 
 namespace Unity.MLAgents.Tests
diff --git a/com.unity.ml-agents/Tests/Editor/Unity.ML-Agents.Editor.Tests.asmdef b/com.unity.ml-agents/Tests/Editor/Unity.ML-Agents.Editor.Tests.asmdef
index 0f40d65f6c..6035c9b3e0 100755
--- a/com.unity.ml-agents/Tests/Editor/Unity.ML-Agents.Editor.Tests.asmdef
+++ b/com.unity.ml-agents/Tests/Editor/Unity.ML-Agents.Editor.Tests.asmdef
@@ -3,7 +3,7 @@
     "references": [
         "Unity.ML-Agents.Editor",
         "Unity.ML-Agents",
-        "Barracuda",
+        "Unity.Barracuda",
         "Unity.ML-Agents.CommunicatorObjects"
     ],
     "optionalUnityReferences": [
@@ -24,4 +24,4 @@
     "defineConstraints": [
         "UNITY_INCLUDE_TESTS"
     ]
-}
\ No newline at end of file
+}
diff --git a/com.unity.ml-agents/Tests/Runtime/Unity.ML-Agents.Runtime.Tests.asmdef b/com.unity.ml-agents/Tests/Runtime/Unity.ML-Agents.Runtime.Tests.asmdef
index 16cbc07f52..f136f55054 100644
--- a/com.unity.ml-agents/Tests/Runtime/Unity.ML-Agents.Runtime.Tests.asmdef
+++ b/com.unity.ml-agents/Tests/Runtime/Unity.ML-Agents.Runtime.Tests.asmdef
@@ -2,7 +2,7 @@
     "name": "Tests",
     "references": [
         "Unity.ML-Agents",
-        "Barracuda",
+        "Unity.Barracuda",
         "Unity.ML-Agents.CommunicatorObjects",
         "Unity.ML-Agents.Editor"
     ],
diff --git a/com.unity.ml-agents/package.json b/com.unity.ml-agents/package.json
index 8ab8e20ca4..d03be37394 100755
--- a/com.unity.ml-agents/package.json
+++ b/com.unity.ml-agents/package.json
@@ -5,6 +5,6 @@
   "unity": "2018.4",
   "description": "Add interactivity to your game with Machine Learning Agents trained using Deep Reinforcement Learning.",
   "dependencies": {
-    "com.unity.barracuda": "0.6.3-preview"
+    "com.unity.barracuda": "0.7.0-preview"
   }
-}
\ No newline at end of file
+}