diff --git a/src/gui/rhi/qshader.cpp b/src/gui/rhi/qshader.cpp
index 85cb5fade70..74255dcf5c2 100644
--- a/src/gui/rhi/qshader.cpp
+++ b/src/gui/rhi/qshader.cpp
@@ -558,6 +558,13 @@ bool operator==(const QShaderVersion &lhs, const QShaderVersion &rhs) noexcept
     return lhs.version() == rhs.version() && lhs.flags() == rhs.flags();
 }
 
+#ifdef Q_OS_INTEGRITY
+size_t qHash(const QShaderVersion &s, size_t seed) noexcept
+{
+    return qHashMulti(seed, s.version(), s.flags());
+}
+#endif
+
 /*!
     \internal
     \fn bool operator!=(const QShaderVersion &lhs, const QShaderVersion &rhs)
diff --git a/src/gui/rhi/qshader_p.h b/src/gui/rhi/qshader_p.h
index d7b9892b8ff..b320340229b 100644
--- a/src/gui/rhi/qshader_p.h
+++ b/src/gui/rhi/qshader_p.h
@@ -59,6 +59,11 @@ QT_BEGIN_NAMESPACE
 struct QShaderPrivate;
 class QShaderKey;
 
+#ifdef Q_OS_INTEGRITY
+  class QShaderVersion;
+  size_t qHash(const QShaderVersion &, size_t = 0) noexcept;
+#endif
+
 class Q_GUI_EXPORT QShaderVersion
 {
 public: