diff --git a/.gitignore b/.gitignore
index e0cf9392..692d52e8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -21,3 +21,4 @@
 /Ahem.ttf
 /node-v8.9.1-linux-x64.tar.gz
 /node-v10.15.3-linux-x64.tar.gz
+/xcb-proto-1.14.tar.xz
diff --git a/chromium.spec b/chromium.spec
index 2010f384..30af4420 100644
--- a/chromium.spec
+++ b/chromium.spec
@@ -340,6 +340,8 @@ Source18:	GardinerModCat.ttf
 %if 0%{?rhel} == 7
 Source19:	https://nodejs.org/dist/v10.15.3/node-v10.15.3-linux-x64.tar.gz
 %endif
+# Bring xcb-proto with us (might need more than python on EPEL?)
+Source20:	https://www.x.org/releases/individual/proto/xcb-proto-1.14.tar.xz
 
 # We can assume gcc and binutils.
 BuildRequires:	gcc-c++
@@ -1407,6 +1409,9 @@ sed -i.orig -e 's/getenv("CHROME_VERSION_EXTRA")/"Fedora Project"/' $FILE
 # Turning the buildsystem up to 11.
 ulimit -n 4096
 
+# unpack a local copy of the xcb-proto bits
+tar xf %{SOURCE20}
+
 %if 0%{?rhel} == 7
 . /opt/rh/devtoolset-%{dts_version}/enable
 %endif
@@ -1416,7 +1421,7 @@ ulimit -n 4096
 %global optflags %(echo %{optflags} | sed 's/-g /-g1 /')
 %endif
 
-export PYTHONPATH="../../third_party/pyjson5/src:../../third_party/catapult/third_party/google-endpoints"
+export PYTHONPATH="../../third_party/pyjson5/src:../../third_party/catapult/third_party/google-endpoints:../../xcb-proto-1.14"
 
 echo
 # Now do the full browser
diff --git a/sources b/sources
index 828c4994..34fff2d3 100644
--- a/sources
+++ b/sources
@@ -18,3 +18,4 @@ SHA512 (Tinos-Regular.ttf) = 58085c5dac6d067d60ba2ab3220c4a0cc1efcf279cadfcfb874
 SHA512 (Ahem.ttf) = aeb64b10ab9c87860714cb60b4900254b13dc52c51319256a1a3722c882026ab7c616bf628fbc2fe14e38a6003f3a481af60b52a7ed62071d28ddaf428e4e3fd
 SHA512 (node-v10.15.3-linux-x64.tar.gz) = 5eb544ef706562981340a82acc79e2162c6a3e4049b4a95f69ce353ee5b0f929c60b1fc457e8249b3fb0696f82fc28c5f543f5947db19fae4e9d5c21b906bb20
 SHA512 (chromium-84.0.4147.89-clean.tar.xz) = 4daa866c086142c496a924d6630da202195d7db2853987b2e81c828ffccfe281499cf85562d2ea48f1304f2f4de2fef0a385e7979e6ad46323b4ab34fa2f3f8b
+SHA512 (xcb-proto-1.14.tar.xz) = de66d568163b6da2be9d6c59984f3afa3acd119a781378638045fd68018665ef5c9af98f024e9962ba3eb7c7a4d85c27ba70ffafceb2324ccc6940f34de16690