diff --git a/Release_Notes.md b/Release_Notes.md
index fa9dc5500d8726bc82dba50dff32049f77dc1146..16f2939b12eb7244d59b37a4a56f4ea85384ca0f 100644
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+++ b/Release_Notes.md
@@ -1,3 +1,8 @@
+03/03/2020: PALISADE v1.9.1 (development) is released
+
+* Fixes the performance issue with Ubuntu
+* Improves the runtime of inverse Number Theoretic Transform for all supported systems
+
 02/29/2020: PALISADE v1.9.0 (development) is released
 
 * Adds multiple low-level optimizations, including improved Number Theoretic Transform