diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7abccb64c..5e068d8c2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,8 @@
 BUG FIXES:
 
 * core: plugins listen explicitly on 127.0.0.1, fixing odd hangs. [GH-37]
+* core: fix race condition on verifying checksum of large ISOs which
+  could cause panics [GH-52]
 * virtualbox: `boot_wait` defaults to "10s" rather than 0. [GH-44]
 * virtualbox: if `http_port_min` and max are the same, it will no longer
   panic [GH-53]