diff --git a/DevProject/Packages/packages-lock.json b/DevProject/Packages/packages-lock.json
index e9685a8146..9ed2faecd4 100644
--- a/DevProject/Packages/packages-lock.json
+++ b/DevProject/Packages/packages-lock.json
@@ -1,7 +1,7 @@
 {
   "dependencies": {
     "com.unity.barracuda": {
-      "version": "2.0.0-pre.2",
+      "version": "2.0.0-pre.3",
       "depth": 1,
       "source": "registry",
       "dependencies": {
@@ -55,7 +55,7 @@
       "depth": 0,
       "source": "local",
       "dependencies": {
-        "com.unity.barracuda": "2.0.0-pre.2",
+        "com.unity.barracuda": "2.0.0-pre.3",
         "com.unity.modules.imageconversion": "1.0.0",
         "com.unity.modules.jsonserialize": "1.0.0"
       }
@@ -65,7 +65,7 @@
       "depth": 0,
       "source": "local",
       "dependencies": {
-        "com.unity.ml-agents": "2.0.0-pre.2",
+        "com.unity.ml-agents": "2.0.0-pre.3",
         "com.unity.modules.physics": "1.0.0"
       }
     },
diff --git a/Project/Packages/packages-lock.json b/Project/Packages/packages-lock.json
index c5ed79deae..c1384462ee 100644
--- a/Project/Packages/packages-lock.json
+++ b/Project/Packages/packages-lock.json
@@ -63,7 +63,7 @@
       "depth": 0,
       "source": "local",
       "dependencies": {
-        "com.unity.ml-agents": "2.0.0-pre.2",
+        "com.unity.ml-agents": "2.0.0-pre.3",
         "com.unity.modules.physics": "1.0.0"
       }
     },
diff --git a/com.unity.ml-agents.extensions/package.json b/com.unity.ml-agents.extensions/package.json
index 88b7510af9..52677fe1fc 100644
--- a/com.unity.ml-agents.extensions/package.json
+++ b/com.unity.ml-agents.extensions/package.json
@@ -5,7 +5,7 @@
   "unity": "2019.4",
   "description": "A source-only package for new features based on ML-Agents",
   "dependencies": {
-    "com.unity.ml-agents": "2.0.0-pre.2",
+    "com.unity.ml-agents": "2.0.0-pre.3",
     "com.unity.modules.physics": "1.0.0"
   }
 }
diff --git a/com.unity.ml-agents/CHANGELOG.md b/com.unity.ml-agents/CHANGELOG.md
index 11c5338dd8..4994cf0c90 100755
--- a/com.unity.ml-agents/CHANGELOG.md
+++ b/com.unity.ml-agents/CHANGELOG.md
@@ -6,9 +6,10 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to
 [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-## [2.0.0-pre.2] - 2021-04-22
+## [2.0.0-pre.3] - 2021-04-22
 ### Major Changes
 #### com.unity.ml-agents / com.unity.ml-agents.extensions (C#)
+- update Barracuda to 2.0.0-pre.3.
 - The minimum supported Unity version was updated to 2019.4. (#5166)
 - Several breaking interface changes were made. See the
 [Migration Guide](https://github.com/Unity-Technologies/ml-agents/blob/release_17_docs/docs/Migrating.md) for more
diff --git a/com.unity.ml-agents/Runtime/Academy.cs b/com.unity.ml-agents/Runtime/Academy.cs
index 0a1bcb0104..3fa81e42cf 100644
--- a/com.unity.ml-agents/Runtime/Academy.cs
+++ b/com.unity.ml-agents/Runtime/Academy.cs
@@ -107,7 +107,7 @@ public class Academy : IDisposable
         /// Unity package version of com.unity.ml-agents.
         /// This must match the version string in package.json and is checked in a unit test.
         /// </summary>
-        internal const string k_PackageVersion = "2.0.0-pre.2";
+        internal const string k_PackageVersion = "2.0.0-pre.3";
 
         const int k_EditorTrainingPort = 5004;
 
diff --git a/com.unity.ml-agents/package.json b/com.unity.ml-agents/package.json
index 7ac37e70d2..40aa5e8096 100755
--- a/com.unity.ml-agents/package.json
+++ b/com.unity.ml-agents/package.json
@@ -1,11 +1,11 @@
 {
   "name": "com.unity.ml-agents",
   "displayName": "ML Agents",
-  "version": "2.0.0-pre.2",
+  "version": "2.0.0-pre.3",
   "unity": "2019.4",
   "description": "Use state-of-the-art machine learning to create intelligent character behaviors in any Unity environment (games, robotics, film, etc.).",
   "dependencies": {
-    "com.unity.barracuda": "2.0.0-pre.2",
+    "com.unity.barracuda": "2.0.0-pre.3",
     "com.unity.modules.imageconversion": "1.0.0",
     "com.unity.modules.jsonserialize": "1.0.0"
   }
diff --git a/utils/validate_versions.py b/utils/validate_versions.py
index 480ee77daa..e57522831e 100755
--- a/utils/validate_versions.py
+++ b/utils/validate_versions.py
@@ -85,7 +85,7 @@ def set_version(
             f.write(new_contents)
 
     if csharp_version is not None:
-        package_version = f"{csharp_version}-pre.2"
+        package_version = f"{csharp_version}-pre.3"
         if csharp_extensions_version is not None:
             # since this has never been promoted we need to keep
             # it in preview forever or CI will fail