diff --git a/bin/installdumux.py b/bin/installdumux.py
index b7dc8a2ece9bfe0622ef6939f9d2f5711387a5fd..8bb2cba7a2c0e4c5fe79379f9097ae155d1954f9 100755
--- a/bin/installdumux.py
+++ b/bin/installdumux.py
@@ -53,7 +53,7 @@ def showMessage(message):
 
 def checkCppVersion():
     """Check compiler version"""
-    requiredversion = "7"
+    requiredversion = "9.3"
     result = subprocess.check_output(["g++", "-dumpversion"]).decode().strip()
     if _Version(result) < _Version(requiredversion):
         print("-- An error occurred while checking for prerequistes.")