diff --git a/src/applications/individualApps/theia_source/requirements.txt b/src/applications/individualApps/theia_source/requirements.txt
index 81b27b149..2490aa3a1 100644
--- a/src/applications/individualApps/theia_source/requirements.txt
+++ b/src/applications/individualApps/theia_source/requirements.txt
@@ -1,3 +1,3 @@
-PyInstaller==3.6.0
+PyInstaller==5.13.1
 PyQt5==5.10.1
 vtk==8.1.0