diff --git a/packages/samarium/0.3.1/run b/packages/samarium/0.3.1/run
index d65533d..af0c24c 100644
--- a/packages/samarium/0.3.1/run
+++ b/packages/samarium/0.3.1/run
@@ -1 +1 @@
-python3 -m samarium $1
+python3 -m samarium $1
\ No newline at end of file
diff --git a/packages/samarium/0.4.0/build.sh b/packages/samarium/0.4.0/build.sh
new file mode 100755
index 0000000..b70827b
--- /dev/null
+++ b/packages/samarium/0.4.0/build.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+source ../../python/3.10.0/build.sh
+bin/pip3 install https://github.com/samarium-lang/Samarium/archive/refs/tags/0.4.0.zip
diff --git a/packages/samarium/0.4.0/environment b/packages/samarium/0.4.0/environment
new file mode 100644
index 0000000..b482830
--- /dev/null
+++ b/packages/samarium/0.4.0/environment
@@ -0,0 +1,2 @@
+#!/bin/bash
+export PATH=$PWD/bin:$PATH
diff --git a/packages/samarium/0.4.0/metadata.json b/packages/samarium/0.4.0/metadata.json
new file mode 100644
index 0000000..4352acf
--- /dev/null
+++ b/packages/samarium/0.4.0/metadata.json
@@ -0,0 +1,5 @@
+{
+    "language": "samarium",
+    "version": "0.4.0",
+    "aliases": ["sm"]
+}
diff --git a/packages/samarium/0.4.0/run b/packages/samarium/0.4.0/run
new file mode 100644
index 0000000..af0c24c
--- /dev/null
+++ b/packages/samarium/0.4.0/run
@@ -0,0 +1 @@
+python3 -m samarium $1
\ No newline at end of file
diff --git a/packages/samarium/0.4.0/test.sm b/packages/samarium/0.4.0/test.sm
new file mode 100644
index 0000000..57d4d5c
--- /dev/null
+++ b/packages/samarium/0.4.0/test.sm
@@ -0,0 +1,3 @@
+=> * {
+    "OK"!;
+}