diff --git a/DESCRIPTION b/DESCRIPTION
index a984bca..8e21c4e 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -2,7 +2,7 @@ Package: RLumShiny
 Type: Package
 Title: 'Shiny' Applications for the R Package 'Luminescence'
 Version: 0.2.1
-Date: 2017-07-31
+Date: 2018-06-18
 Author: Christoph Burow [aut, cre],
     Urs Tilmann Wolpert [aut],
     Sebastian Kreutzer [aut] (<https://orcid.org/0000-0002-0734-2199>),
diff --git a/NEWS b/NEWS
index be60e47..762e7af 100644
--- a/NEWS
+++ b/NEWS
@@ -1,6 +1,11 @@
-RLumShiny 0.2.1 (Release date: 2017-xx-xx)
+RLumShiny 0.2.1 (Release date: 2018-06-18)
 ==============
 
+* New application that compares the OSL/IRSL stimulation power of measurements 
+  performed on Freiberg Instruments lexsyg devices to check the stability
+  of the stimulation power (Contributed by Sebastian Kreutzer).
+  Keyword for `app_RLum()`: 'teststimulationpower'.
+  
 * New application to calculate the fast ratio of CW-OSL curves after Durcan
   and Duller (2011). Base function: `Luminescence::calc_FastRatio()`.
   Keyword for `app_RLum()`: 'fastratio'.