diff --git a/.appveyor.yml b/.appveyor.yml
index d03c186b5..aa238edf8 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -2,7 +2,7 @@
 #      general configuration      #
 #---------------------------------#
 
-version: 2.19.0-{build}-{branch}
+version: 2.20.0-{build}-{branch}
 
 branches:
   only:
diff --git a/version.sh b/version.sh
index 2d91d4de0..dd3f0e72f 100644
--- a/version.sh
+++ b/version.sh
@@ -3,7 +3,7 @@ PACKAGE_NAME='eccodes'
 
 # Package version
 ECCODES_MAJOR_VERSION=2
-ECCODES_MINOR_VERSION=19
+ECCODES_MINOR_VERSION=20
 ECCODES_REVISION_VERSION=0
 
 ECCODES_CURRENT=1