diff --git a/README.md b/README.md
index 5361a62..559629d 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 ctools information
 ==================
-* Version:             1.5.4 (1 August 2017)
+* Version:             1.5.4 (15 May 2019)
 * Author:              Juergen Knoedlseder (jurgen.knodlseder@irap.omp.eu)
 * GammaLib dependency: 1.5.4