diff --git a/com.unity.ml-agents/Runtime/Academy.cs b/com.unity.ml-agents/Runtime/Academy.cs
index f6b24e9705..a3670e6f07 100644
--- a/com.unity.ml-agents/Runtime/Academy.cs
+++ b/com.unity.ml-agents/Runtime/Academy.cs
@@ -49,7 +49,7 @@ void FixedUpdate()
         "docs/Learning-Environment-Design.md")]
     public class Academy : IDisposable
     {
-        const string k_ApiVersion = "API-14-dev0";
+        const string k_ApiVersion = "API-14";
         const int k_EditorTrainingPort = 5004;
 
         // Lazy initializer pattern, see https://csharpindepth.com/articles/singleton#lazy
diff --git a/gym-unity/gym_unity/__init__.py b/gym-unity/gym_unity/__init__.py
index e0e0a15ca1..9e78220f94 100644
--- a/gym-unity/gym_unity/__init__.py
+++ b/gym-unity/gym_unity/__init__.py
@@ -1 +1 @@
-__version__ = "0.14.0.dev0"
+__version__ = "0.14.0"
diff --git a/ml-agents-envs/mlagents_envs/__init__.py b/ml-agents-envs/mlagents_envs/__init__.py
index e0e0a15ca1..9e78220f94 100644
--- a/ml-agents-envs/mlagents_envs/__init__.py
+++ b/ml-agents-envs/mlagents_envs/__init__.py
@@ -1 +1 @@
-__version__ = "0.14.0.dev0"
+__version__ = "0.14.0"
diff --git a/ml-agents-envs/mlagents_envs/environment.py b/ml-agents-envs/mlagents_envs/environment.py
index 99f401fedb..d85bc7f99d 100644
--- a/ml-agents-envs/mlagents_envs/environment.py
+++ b/ml-agents-envs/mlagents_envs/environment.py
@@ -51,7 +51,7 @@
 class UnityEnvironment(BaseEnv):
     SCALAR_ACTION_TYPES = (int, np.int32, np.int64, float, np.float32, np.float64)
     SINGLE_BRAIN_ACTION_TYPES = SCALAR_ACTION_TYPES + (list, np.ndarray)
-    API_VERSION = "API-14-dev0"
+    API_VERSION = "API-14"
 
     def __init__(
         self,
diff --git a/ml-agents/mlagents/trainers/__init__.py b/ml-agents/mlagents/trainers/__init__.py
index e0e0a15ca1..9e78220f94 100644
--- a/ml-agents/mlagents/trainers/__init__.py
+++ b/ml-agents/mlagents/trainers/__init__.py
@@ -1 +1 @@
-__version__ = "0.14.0.dev0"
+__version__ = "0.14.0"