diff --git a/build/shared/revisions.txt b/build/shared/revisions.txt
index 5f529ec4b4..9b5df895c7 100644
--- a/build/shared/revisions.txt
+++ b/build/shared/revisions.txt
@@ -1,6 +1,7 @@
-ARDUINO 1.8.19 not yet released
-
+ARDUINO 1.8.19 2021.12.20 SECURITY HOTFIX RELEASE
 
+[ide]
+* Removed log4j from IDE. Fix CVE-2021-45105, CVE-2021-45046
 
 ARDUINO 1.8.18 2021.12.14 SECURITY HOTFIX RELEASE