diff --git a/doc/generic/pgf/ChangeLog b/doc/generic/pgf/ChangeLog
index 332273a7d..4bc16d149 100644
--- a/doc/generic/pgf/ChangeLog
+++ b/doc/generic/pgf/ChangeLog
@@ -1,3 +1,7 @@
+2019-12-19 Henri Menke
+
+    Release 3.1.5
+
 2019-12-19 Henri Menke
 
     - [CI] bigintcalc, etexcmds, gettitlestring, hycolor, intcalc, kvdefinekeys, kvsetkeys, ltxcmds, refcount, uniquecounter