diff --git a/DESCRIPTION b/DESCRIPTION
index 99b0be9..d82ef0a 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: RcppThread
 Title: R-Friendly Threading in C++
-Version: 2.2.0
+Version: 2.2.0.9000
 Authors@R: c(
     person("Thomas", "Nagler",, "mail@tnagler.com", role = c("aut", "cre"),
            comment = c(ORCID = "0000-0003-1855-0046"))
@@ -12,7 +12,7 @@ License: MIT + file LICENSE
 Encoding: UTF-8
 URL: https://github.com/tnagler/RcppThread
 BugReports: https://github.com/tnagler/RcppThread/issues
-RoxygenNote: 7.3.2.9000
+RoxygenNote: 7.3.3
 Suggests: 
     testthat,
     R.rsp,
diff --git a/NEWS.md b/NEWS.md
index ed26128..db23a2a 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,5 @@
+# RcppThread (development version)
+
 # RcppThread 2.2.0
 
 NEW FEATURE
diff --git a/inst/include/RcppThread/Progress.hpp b/inst/include/RcppThread/Progress.hpp
index c8c9f1b..bfc663e 100644
--- a/inst/include/RcppThread/Progress.hpp
+++ b/inst/include/RcppThread/Progress.hpp
@@ -30,6 +30,9 @@ class ProgressPrinter {
         , startTime_(std::chrono::steady_clock::now())
     {}
 
+    // Add virtual destructor
+    virtual ~ProgressPrinter() = default;
+
     //! prints progress whenever an update is necessary.
     virtual void printProgress() = 0;