diff --git a/ChangeLog.md b/ChangeLog.md
index ad8225d7..0d2b8622 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -10,8 +10,8 @@
 * Removed useless `dump-core` flag (only used by test and bench, not by the library).
 * Fleshed out README properly!
 
-## 0.1.1.0  -- YYYY-mm-dd
+## 0.1.1.0  -- 2021-06-10
 
 * Added `IF_S`, `LAM_S` and `LET_S` to `Defunc`, which can be used with overloaded syntax
-* Admin: Removed `idioms-plugin` from the test suite in favour of overloaded syntax from `lift-plugin`
-* Admin: Switched to the `lift-plugin` implementation found in `parsley-garnish`
\ No newline at end of file
+* Admin: Removed `idioms-plugin` and `lift-plugin` from the test suite, depending on `parsley-garnish` instead
+* Fixed building with GHC 9
\ No newline at end of file