CHANGELOG.md in identity_cache-0.5.0 vs CHANGELOG.md in identity_cache-0.5.1

@@ -1,6 +1,10 @@
 # IdentityCache changelog
 
+#### 0.5.1
+
+- Fix bug in prefetch_associations for cache_has_one associations that may be nil
+
 #### 0.5.0
 
 - `never_set_inverse_association` and `fetch_read_only_records` are now `true` by default (#315)
 - Store the class name instead of the class itself (#311)