diff --git a/bison/bison.spec b/bison/bison.spec
index e1524190fc..2776297955 100644
--- a/bison/bison.spec
+++ b/bison/bison.spec
@@ -22,7 +22,7 @@
 ##
 
 #   package versions
-%define       V_new       3.5.1
+%define       V_new       3.5.2
 %define       V_old1      2.7.1
 %define       V_old2      1.35
 
@@ -37,7 +37,7 @@ Class:        CORE
 Group:        CompilerCompiler
 License:      GPL
 Version:      %{V_new}
-Release:      20200119
+Release:      20200214
 
 #   package options
 %option       with_old   no