diff --git a/qt5-qtwebengine.spec b/qt5-qtwebengine.spec
index 1f22fa7..a7d8154 100644
--- a/qt5-qtwebengine.spec
+++ b/qt5-qtwebengine.spec
@@ -111,6 +111,8 @@ Patch31: qtwebengine-everywhere-src-5.15.5-TRUE.patch
 # Issue 1213452: Sandbox doesn't work with clone3
 # https://bugs.chromium.org/p/chromium/issues/detail?id=1213452
 Patch32: qtwebengine-everywhere-src-5.15.6-clone3.patch
+# Fix use of deprecated harfbuzz api's
+Patch33: qtwebengine-harfbuzz.patch
 
 ## Upstream patches:
 
@@ -420,6 +422,7 @@ popd
 %patch30 -p1 -b .SIGSTKSZ
 %patch31 -p1 -b .TRUE
 %patch32 -p1 -b .clone3
+%patch33 -p1 -b .harfbuzz
 
 # delete all "toolprefix = " lines from build/toolchain/linux/BUILD.gn, as we
 # never cross-compile in native Fedora RPMs, fixes ARM and aarch64 FTBFS
@@ -632,7 +635,7 @@ done
 
 %changelog
 * Mon Sep 20 2021 Rex Dieter <rdieter@fedoraproject.org> - 5.15.6-2
-- rebuild (harfbuzz)
+- patch use of deprecated harfbuzz apis
 
 * Fri Sep 03 2021 Rex Dieter <rdieter@fedoraproject.org> - 5.15.6-1
 - 5.15.6
diff --git a/qtwebengine-harfbuzz.patch b/qtwebengine-harfbuzz.patch
new file mode 100644
index 0000000..327874f
--- /dev/null
+++ b/qtwebengine-harfbuzz.patch
@@ -0,0 +1,34 @@
+diff --git a/src/3rdparty/chromium/components/paint_preview/common/subset_font.cc b/src/3rdparty/chromium/components/paint_preview/common/subset_font.cc
+index ba5391708..8565b67e3 100644
+--- a/src/3rdparty/chromium/components/paint_preview/common/subset_font.cc
++++ b/src/3rdparty/chromium/components/paint_preview/common/subset_font.cc
+@@ -71,9 +71,9 @@ sk_sp<SkData> SubsetFont(SkTypeface* typeface, const GlyphUsage& usage) {
+   hb_set_t* glyphs =
+       hb_subset_input_glyph_set(input.get());  // Owned by |input|.
+   usage.ForEach(base::BindRepeating(&AddGlyphs, base::Unretained(glyphs)));
+-  hb_subset_input_set_retain_gids(input.get(), true);
++  hb_subset_input_set_flags(input.get(), HB_SUBSET_FLAGS_RETAIN_GIDS);
+ 
+-  HbScoped<hb_face_t> subset_face(hb_subset(face.get(), input.get()));
++  HbFace subset_face(hb_subset_or_fail(face.get(), input.get()));
+   HbScoped<hb_blob_t> subset_blob(hb_face_reference_blob(subset_face.get()));
+   if (!subset_blob)
+     return nullptr;
+diff --git a/src/3rdparty/chromium/third_party/skia/src/pdf/SkPDFSubsetFont.cpp b/src/3rdparty/chromium/third_party/skia/src/pdf/SkPDFSubsetFont.cpp
+index 81c37eef3..1581fb8a9 100644
+--- a/src/3rdparty/chromium/third_party/skia/src/pdf/SkPDFSubsetFont.cpp
++++ b/src/3rdparty/chromium/third_party/skia/src/pdf/SkPDFSubsetFont.cpp
+@@ -71,11 +71,10 @@ static sk_sp<SkData> subset_harfbuzz(sk_sp<SkData> fontData,
+     hb_set_t* glyphs = hb_subset_input_glyph_set(input.get());
+     glyphUsage.getSetValues([&glyphs](unsigned gid) { hb_set_add(glyphs, gid);});
+ 
+-    hb_subset_input_set_retain_gids(input.get(), true);
+     // TODO: When possible, check if a font is 'tricky' with FT_IS_TRICKY.
+     // If it isn't known if a font is 'tricky', retain the hints.
+-    hb_subset_input_set_drop_hints(input.get(), false);
+-    HBFace subset(hb_subset(face.get(), input.get()));
++    hb_subset_input_set_flags(input.get(), HB_SUBSET_FLAGS_RETAIN_GIDS | HB_SUBSET_FLAGS_NO_HINTING);
++    HBFace subset(hb_subset_or_fail(face.get(), input.get()));
+     HBBlob result(hb_face_reference_blob(subset.get()));
+     return to_data(std::move(result));
+ }