diff --git a/CHANGELOG.md b/CHANGELOG.md
index da33409e..f481e98d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,7 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 ## Unreleased
 ### Changed
 - Removed types from `debug.traceback` arguments in the Lua 5.1 standard library
+- Made 4th argument to `CFrame.fromMatrix` optional (#113)
 
 ## [0.6.0] - 2020-04-21
 ### Added
diff --git a/selene/src/roblox/base.toml b/selene/src/roblox/base.toml
index 562043e4..25434a9d 100644
--- a/selene/src/roblox/base.toml
+++ b/selene/src/roblox/base.toml
@@ -226,6 +226,7 @@ type = { display = "Vector3" }
 
 [[CFrame.fromMatrix.args]]
 type = { display = "Vector3" }
+required = false
 
 [[CFrame.fromOrientation.args]]
 type = "number"
@@ -798,4 +799,4 @@ removed = true
 removed = true
 
 [package]
-removed = true
\ No newline at end of file
+removed = true