diff --git a/Assets/Plugins/Mirror/Editor/Mirror.Editor.dll b/Assets/Plugins/Mirror/Editor/Mirror.Editor.dll
new file mode 100644
index 000000000..7f79600f5
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diff --git a/Assets/Plugins/Mirror/Editor/Mirror.Weaver.dll b/Assets/Plugins/Mirror/Editor/Mirror.Weaver.dll
new file mode 100644
index 000000000..2950cbdf1
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diff --git a/Assets/Plugins/Mirror/Editor/Unity.Cecil/Unity.Cecil.Mdb.dll b/Assets/Plugins/Mirror/Editor/Unity.Cecil/Unity.Cecil.Mdb.dll
new file mode 100644
index 000000000..9e77dcfe0
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diff --git a/Assets/Plugins/Mirror/Editor/Unity.Cecil/Unity.Cecil.Pdb.dll b/Assets/Plugins/Mirror/Editor/Unity.Cecil/Unity.Cecil.Pdb.dll
new file mode 100644
index 000000000..02d386dbe
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diff --git a/Assets/Plugins/Mirror/Editor/Unity.Cecil/Unity.Cecil.dll b/Assets/Plugins/Mirror/Editor/Unity.Cecil/Unity.Cecil.dll
new file mode 100644
index 000000000..5052f8dee
Binary files /dev/null and b/Assets/Plugins/Mirror/Editor/Unity.Cecil/Unity.Cecil.dll differ
diff --git a/Assets/Plugins/Mirror/Runtime-Editor/Mirror.Runtime.dll b/Assets/Plugins/Mirror/Runtime-Editor/Mirror.Runtime.dll
new file mode 100644
index 000000000..481ef4871
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diff --git a/Assets/Plugins/Mirror/Runtime/Mirror.Runtime.dll b/Assets/Plugins/Mirror/Runtime/Mirror.Runtime.dll
new file mode 100644
index 000000000..a950782d9
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diff --git a/Assets/Plugins/Mirror/Telepathy.dll b/Assets/Plugins/Mirror/Telepathy.dll
new file mode 100644
index 000000000..07990da4c
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diff --git a/Scripts/build.sh b/Scripts/build.sh
index eaf534b86..d3707b00d 100644
--- a/Scripts/build.sh
+++ b/Scripts/build.sh
@@ -6,6 +6,7 @@ project="Card Game Simulator"
 echo "Activating Unity license"
 ${UNITY_PATH} \
     -logFile "${pwd}/unity.activation.log" \
+    -serial ${UNITY_SERIAL} \
     -username ${UNITY_USER} \
     -password ${UNITY_PWD} \
     -batchmode \