diff --git a/cmake/toolchain/heptools-dev-base.cmake b/cmake/toolchain/heptools-dev-base.cmake
index cbc8520f42dfaaabf6950fd6e33fa7d13ba61dd9..c383e592787a342cce222dcf4143f688fd2294f9 100644
--- a/cmake/toolchain/heptools-dev-base.cmake
+++ b/cmake/toolchain/heptools-dev-base.cmake
@@ -376,7 +376,7 @@ LCG_external_package(pygraphics        2.0
 LCG_external_package(pygraphviz        0.11.1                                   )
 LCG_external_package(pyjapc            2.0.4                                    )
 LCG_external_package(pyparsing         2.4.0                                    )
-LCG_external_package(pyqt5             5.12                                     )
+LCG_external_package(pyqt5             5.12.3                                   )
 #LCG_external_package(pyqtwebengine     5.12.1                                  )
 LCG_external_package(PyRDF             0.1.0                                    )
 LCG_external_package(pyrsistent        0.15.2                                   )
@@ -394,7 +394,7 @@ LCG_external_package(PyYAML            5.1                               pyyaml
 LCG_external_package(pyzmq             18.0.1                                   )
 LCG_external_package(QMtest            2.4.1                                    )
 #LCG_external_package(Qt                4.8.7                    qt             )
-LCG_external_package(Qt5               5.12.1                   qt5             )
+LCG_external_package(Qt5               5.12.4                   qt5             )
 LCG_external_package(qtconsole         4.5.1                                    )
 LCG_external_package(qtpy              1.7.1                                    )
 #LCG_external_package(qwt               6.0.1                                   )