diff --git a/CHANGES.md b/CHANGES.md
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--- a/CHANGES.md
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@@ -1,3 +1,9 @@
+## v0.5.1
+
+- Update tests for new MDX output (@talex5 #27).
+
+- Link to ICFP tutorial from README (@talex5 #26).
+
 ## v0.5
 
 - Add debug mode (@talex5 #24).