diff --git a/Project.toml b/Project.toml
index e62c52a..e2f1f92 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,15 +1,15 @@
 name = "OpenSpiel"
 uuid = "ceb70bd2-fe3f-44f0-b81f-41608acaf2f2"
 authors = ["Jun Tian <tianjun.cpp@gmail.com>"]
-version = "0.2.3"
+version = "0.3.0"
 
 [deps]
 CxxWrap = "1f15a43c-97ca-5a2a-ae31-89f07a497df4"
 OpenSpiel_jll = "bd10a763-4654-5023-a028-c4918c6cd33e"
 
 [compat]
-CxxWrap = "0.14, 0.15"
-OpenSpiel_jll = "1"
+CxxWrap = "0.15"
+OpenSpiel_jll = "1.5"
 julia = "1.6"
 
 [extras]
diff --git a/README.md b/README.md
index a938cce..1219387 100644
--- a/README.md
+++ b/README.md
@@ -4,4 +4,41 @@
 
 This package provides a Julia wrapper for the [OpenSpiel](https://github.com/deepmind/open_spiel) project. For more details, please refer the [doc](https://openspiel.readthedocs.io/en/latest/julia.html)
 
-For higher level APIs you may refer [ReinforcementLearningEnvironments.jl](https://github.com/JuliaReinforcementLearning/ReinforcementLearningEnvironments.jl).
\ No newline at end of file
+For higher level APIs you may refer [ReinforcementLearningEnvironments.jl](https://github.com/JuliaReinforcementLearning/ReinforcementLearningEnvironments.jl).
+
+# Installation Guidelines
+
+## Linux:
+## 1. Install Julia with specific version:
+- To install latest stable version:
+```
+curl -fsSL https://install.julialang.org | sh
+```
+- To install long term support version:
+```
+sudo snap install julia --classic --channel=lts
+```
+Suggested to use LTS version to avoid errors with OpenSpiel.jl
+
+## 2. Add OpenSpiel.jl wrapper to your Julia Repl:
+- Open terminal and start a Julia terminal by running the executable
+  
+    ```
+    julia
+    ```
+- Open Packages
+  
+  ```
+  julia> ]
+  ```
+- Add the below command
+  
+  ```
+  pkg> add https://github.com/JuliaReinforcementLearning/OpenSpiel.jl.git
+  ```
+- To test if it installed correctly run the below code in your Julia repl
+
+  ```
+  using OpenSpiel
+  ```
+  
diff --git a/src/OpenSpiel.jl b/src/OpenSpiel.jl
index 67c0b7d..d0c2bda 100644
--- a/src/OpenSpiel.jl
+++ b/src/OpenSpiel.jl
@@ -5,6 +5,11 @@ using OpenSpiel_jll
 
 import CxxWrap:argument_overloads
 
+struct PlayerAction
+    player::Int32
+    action::Int64
+end
+
 @wrapmodule(OpenSpiel_jll.get_libspieljl_path)
 
 include("patch.jl")