diff --git a/qt5-qtwebengine.spec b/qt5-qtwebengine.spec
index 15a0a20..3b5cc7e 100644
--- a/qt5-qtwebengine.spec
+++ b/qt5-qtwebengine.spec
@@ -98,6 +98,8 @@ Patch11: qtwebengine-opensource-src-5.9.0-skia-neon.patch
 Patch12: qtwebengine-opensource-src-5.9.0-webrtc-neon-detect.patch
 # FTBFS using qt < 5.8
 Patch20: qtwebengine-opensource-src-5.8.0-qt57.patch
+# Force verbose output from the GN bootstrap process
+Patch21: qtwebengine-opensource-src-5.9.0-gn-bootstrap-verbose.patch
 
 %if 0%{?fedora} && 0%{?fedora} < 25
 # work around missing qt5_qtwebengine_arches macro on F24
@@ -339,6 +341,7 @@ BuildArch: noarch
 %patch11 -p1 -b .skia-neon
 %patch12 -p1 -b .webrtc-neon-detect
 %patch20 -p1 -b .qt57
+%patch21 -p1 -b .gn-bootstrap-verbose
 # fix // in #include in content/renderer/gpu to avoid debugedit failure
 sed -i -e 's!gpu//!gpu/!g' \
   src/3rdparty/chromium/content/renderer/gpu/compositor_forwarding_message_filter.cc
@@ -549,6 +552,7 @@ done
 - Update system libvpx/libwebp version requirements (libvpx now F25+ only)
 - Drop the flag hacks (-g1 -fno-delete-null-pointer-checks) that are fixed
   upstream, force -g2 on x86_64 instead
+- Force verbose output from the GN bootstrap process
 
 * Sat May 13 2017 Rex Dieter <rdieter@fedoraproject.org> - 5.8.0-14
 - fix rpm macros
diff --git a/qtwebengine-opensource-src-5.9.0-gn-bootstrap-verbose.patch b/qtwebengine-opensource-src-5.9.0-gn-bootstrap-verbose.patch
new file mode 100644
index 0000000..87b5beb
--- /dev/null
+++ b/qtwebengine-opensource-src-5.9.0-gn-bootstrap-verbose.patch
@@ -0,0 +1,12 @@
+diff -ur qtwebengine-opensource-src-5.9.0/src/buildtools/gn.pro qtwebengine-opensource-src-5.9.0-gn-bootstrap-verbose/src/buildtools/gn.pro
+--- qtwebengine-opensource-src-5.9.0/src/buildtools/gn.pro	2017-05-19 06:22:04.000000000 +0200
++++ qtwebengine-opensource-src-5.9.0-gn-bootstrap-verbose/src/buildtools/gn.pro	2017-06-10 15:24:55.426814326 +0200
+@@ -20,7 +20,7 @@
+             src_3rd_party_dir = $$absolute_path("$${getChromiumSrcDir()}/../", "$$QTWEBENGINE_ROOT")
+             gn_bootstrap = $$system_path($$absolute_path(chromium/tools/gn/bootstrap/bootstrap.py, $$src_3rd_party_dir))
+             gn_args = $$system_quote($$gn_args)
+-            gn_configure = $$system_quote($$gn_bootstrap) --shadow --gn-gen-args=$$gn_args $$ninja_path
++            gn_configure = $$system_quote($$gn_bootstrap) --verbose --shadow --gn-gen-args=$$gn_args $$ninja_path
+             !system("cd $$system_quote($$system_path($$dirname(out))) && $$pythonPathForSystem() $$gn_configure") {
+                 error("GN build error!")
+             }