diff --git a/src/libs/utils/qtcprocess.cpp b/src/libs/utils/qtcprocess.cpp
index 2088ae408fc..3855ee631ee 100644
--- a/src/libs/utils/qtcprocess.cpp
+++ b/src/libs/utils/qtcprocess.cpp
@@ -32,7 +32,7 @@
 #include <QDir>
 #include <QDebug>
 #include <QCoreApplication>
-#include <QRegExp>
+#include <QRegularExpression>
 #include <QStack>
 
 #ifdef Q_OS_WIN
@@ -583,7 +583,7 @@ static QString quoteArgWin(const QString &arg)
         // Quotes are escaped and their preceding backslashes are doubled.
         // It's impossible to escape anything inside a quoted string on cmd
         // level, so the outer quoting must be "suspended".
-        ret.replace(QRegExp(QLatin1String("(\\\\*)\"")), QLatin1String("\"\\1\\1\\^\"\""));
+        ret.replace(QRegularExpression(QLatin1String("(\\\\*)\"")), QLatin1String("\"\\1\\1\\^\"\""));
         // The argument must not end with a \ since this would be interpreted
         // as escaping the quote -- rather put the \ behind the quote: e.g.
         // rather use "foo"\ than "foo\"
@@ -1062,7 +1062,7 @@ bool QtcProcess::expandMacros(QString *cmd, AbstractMacroExpander *mx, OsType os
                 // Our expansion rules trigger in any context
                 if (state.dquote) {
                     // We are within a double-quoted string. Escape relevant meta characters.
-                    rsts.replace(QRegExp(QLatin1String("([$`\"\\\\])")), QLatin1String("\\\\1"));
+                    rsts.replace(QRegularExpression(QLatin1String("([$`\"\\\\])")), QLatin1String("\\\\1"));
                 } else if (state.current == MxSingleQuote) {
                     // We are within a single-quoted string. "Suspend" single-quoting and put a
                     // single escaped quote for each single quote inside the string.