diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5f7324f..92fb1d9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,7 +6,7 @@ endif()
 
 # version applies to all released files: shournal, shournal-run, libshournal-shellwatch.so
 # and shell-integration-scripts (e.g. integration_ko.bash)
-set(shournal_version "2.9")
+set(shournal_version "3.0")
 
 cmake_policy( SET CMP0048 NEW )
 project(shournal VERSION ${shournal_version} LANGUAGES CXX C)
diff --git a/src/shournal-run/mark_helper.cpp b/src/shournal-run/mark_helper.cpp
index 7f94c02..c1f9e89 100644
--- a/src/shournal-run/mark_helper.cpp
+++ b/src/shournal-run/mark_helper.cpp
@@ -19,7 +19,8 @@ using std::string;
 // to the "current" version and the value determines the *minimum*
 // required version.
 static const QHash<QVersionNumber, QVersionNumber> KVERSION_COMPATIBILITY_MAP = {
-    {QVersionNumber{2,9}, QVersionNumber{2,8}}
+    {QVersionNumber{2,9}, QVersionNumber{2,8}},
+    {QVersionNumber{3,0}, QVersionNumber{2,8}}
 };
 
 ExcShournalk::ExcShournalk(const QString &text) :