diff --git a/src/analyze/CMakeLists.txt b/src/analyze/CMakeLists.txt
--- a/src/analyze/CMakeLists.txt
+++ b/src/analyze/CMakeLists.txt
@@ -31,7 +31,7 @@
 add_subdirectory(print)
 
 if(HEAPTRACK_BUILD_GUI)
-    find_package(Qt5 5.2.0 NO_MODULE OPTIONAL_COMPONENTS Widgets)
+    find_package(Qt5 5.10.0 NO_MODULE OPTIONAL_COMPONENTS Widgets)
     find_package(ECM 1.0.0 NO_MODULE)
     if(Qt5_FOUND AND ECM_FOUND)
         set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${ECM_MODULE_PATH} ${ECM_KDE_MODULE_DIR})
diff --git a/src/analyze/gui/mainwindow.cpp b/src/analyze/gui/mainwindow.cpp
--- a/src/analyze/gui/mainwindow.cpp
+++ b/src/analyze/gui/mainwindow.cpp
@@ -24,7 +24,6 @@
 
 #include <KConfigGroup>
 #include <KLocalizedString>
-#include <KRecursiveFilterProxyModel>
 #include <KStandardAction>
 
 #include <QAction>
diff --git a/src/analyze/gui/treeproxy.h b/src/analyze/gui/treeproxy.h
--- a/src/analyze/gui/treeproxy.h
+++ b/src/analyze/gui/treeproxy.h
@@ -19,9 +19,9 @@
 #ifndef TREEPROXY_H
 #define TREEPROXY_H
 
-#include <KRecursiveFilterProxyModel>
+#include <QSortFilterProxyModel>
 
-class TreeProxy final : public KRecursiveFilterProxyModel
+class TreeProxy final : public QSortFilterProxyModel
 {
     Q_OBJECT
 public:
@@ -33,7 +33,7 @@
     void setModuleFilter(const QString& moduleFilter);
 
 private:
-    bool acceptRow(int source_row, const QModelIndex& source_parent) const override;
+    bool filterAcceptsRow(int source_row, const QModelIndex& source_parent) const override;
 
     int m_functionColumn;
     int m_moduleColumn;
diff --git a/src/analyze/gui/treeproxy.cpp b/src/analyze/gui/treeproxy.cpp
--- a/src/analyze/gui/treeproxy.cpp
+++ b/src/analyze/gui/treeproxy.cpp
@@ -21,10 +21,11 @@
 #include <QDebug>
 
 TreeProxy::TreeProxy(int functionColumn, int moduleColumn, QObject* parent)
-    : KRecursiveFilterProxyModel(parent)
+    : QSortFilterProxyModel(parent)
     , m_functionColumn(functionColumn)
     , m_moduleColumn(moduleColumn)
 {
+    setRecursiveFilteringEnabled(true);
     setSortLocaleAware(false);
 }
 
@@ -42,7 +43,7 @@
     invalidate();
 }
 
-bool TreeProxy::acceptRow(int sourceRow, const QModelIndex& sourceParent) const
+bool TreeProxy::filterAcceptsRow(int sourceRow, const QModelIndex& sourceParent) const
 {
     auto source = sourceModel();
     if (!source) {