CHANGELOG.md in eps-0.4.0 vs CHANGELOG.md in eps-0.4.1

@@ -1,4 +1,8 @@
+## 0.4.1 (2022-09-28)
+
+- Fixed `cannot load such file -- matrix` error with Ruby 3.1
+
 ## 0.4.0 (2022-09-02)
 
 - Fixed `stack level too deep` error with many rows
 - Dropped support for `gsl` gem (use `gslr` instead)
 - Dropped support for Ruby < 2.7