diff --git a/externals/dotenv/README.md b/externals/dotenv/README.md
new file mode 100644
index 0000000..e69de29
diff --git a/externals/dotenv/_testShared/test.kt b/externals/dotenv/_testShared/test.kt
new file mode 100644
index 0000000..fab42a0
--- /dev/null
+++ b/externals/dotenv/_testShared/test.kt
@@ -0,0 +1,41 @@
+import js.externals.dotenv.Dotenv
+import org.khronos.webgl.ArrayBuffer
+
+fun configHasDefaultOptions() {
+    Dotenv.config()
+}
+
+fun configAcceptsCustomPath() {
+    Dotenv.config(object : Dotenv.DotenvOptions {
+        override val path = ".vne"
+    })
+}
+
+fun configAcceptsCustomEncoding() {
+    Dotenv.config(object : Dotenv.DotenvOptions {
+        override val encoding = "UTF-8"
+    })
+}
+
+fun loadCanForceReadingOfEnvFile() {
+    val env = Dotenv.config()
+
+    env.load()
+}
+
+fun variableCanBeRetrievedUsingGetOperation() {
+    val env = Dotenv.config()
+
+    check(env["KOTLIN_VERSION"] == "1.2")
+}
+
+fun parseCanExtractVariablesFromString() {
+    val env = Dotenv.parse("ONE=1\nTWO=2")
+
+    check(env["ONE"] == "1")
+    check(env["TWO"] == "2")
+}
+
+fun parseCanExtractVariablesFromBuffer() {
+    Dotenv.parse(ArrayBuffer(2))
+}
diff --git a/externals/dotenv/package.json b/externals/dotenv/package.json
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index 0000000..99f055c
--- /dev/null
+++ b/externals/dotenv/package.json
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+{
+  "description": "dotenv"
+}
diff --git a/externals/dotenv/v5/konfig.json b/externals/dotenv/v5/konfig.json
new file mode 100644
index 0000000..7d54b9a
--- /dev/null
+++ b/externals/dotenv/v5/konfig.json
@@ -0,0 +1,3 @@
+{
+  "version": "5.0.1"
+}
diff --git a/externals/dotenv/v5/src/index.kt b/externals/dotenv/v5/src/index.kt
new file mode 100644
index 0000000..4e54866
--- /dev/null
+++ b/externals/dotenv/v5/src/index.kt
@@ -0,0 +1,27 @@
+package js.externals.dotenv
+
+import org.khronos.webgl.BufferDataSource
+
+external object Dotenv {
+
+    interface DotenvOptions {
+        val path: String?
+            get() = definedExternally
+
+        val encoding: String?
+            get() = definedExternally
+    }
+
+    interface DotenvResult {
+        operator fun get(name: String): String?
+
+        fun load()
+
+    }
+
+    fun config(options: DotenvOptions? = definedExternally): DotenvResult
+
+    fun parse(text: String): DotenvResult
+
+    fun parse(buffer: BufferDataSource): DotenvResult
+}