diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index 67356fee..c653d5e5 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -23,6 +23,11 @@
 * BUG: Ode Solver: fix typo in the Runge-Kutta solvers on time-step handling *~Ksero*
 * BUG: fix Matrix.GetHashCode for wide matrices *~mjmckp*
 
+### 3.20.2 - 2018-01-22
+* Bugfixes backported from v4:
+* BUG: Distributions: BetaScaled no longer ignores optional random source parameter
+* BUG: Trigonometry: Complex trigonometric functions behave on large imput *~diluculo*
+
 ### 3.20.1 - 2018-01-13
 * Bugfixes backported from v4:
 * BUG: Trigonometry: Fix imaginary part sign of complex hyperbolic cotangent