diff --git a/.circleci/config.yml b/.circleci/config.yml
index 2975ea814..3048606df 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -205,7 +205,7 @@ jobs:
       - image: fedora
     steps:
       - checkout
-      - run: dnf install -y pkg-config ragel gcc gcc-c++ automake autoconf libtool make which glib2-devel freetype-devel cairo-devel libicu-devel gobject-introspection-devel graphite2-devel redhat-rpm-config python mingw32-gcc-c++ mingw64-gcc-c++ mingw32-glib2 mingw32-cairo mingw32-freetype mingw64-glib2 mingw64-cairo mingw64-freetype glibc-devel.i686 || true
+      - run: dnf install -y pkg-config ragel gcc gcc-c++ automake autoconf libtool make which diffutils glib2-devel freetype-devel cairo-devel libicu-devel gobject-introspection-devel graphite2-devel redhat-rpm-config python mingw32-gcc-c++ mingw64-gcc-c++ mingw32-glib2 mingw32-cairo mingw32-freetype mingw64-glib2 mingw64-cairo mingw64-freetype glibc-devel.i686 || true
       - run: NOCONFIGURE=1 ./autogen.sh
       - run: mkdir build && cd build && CFLAGS="-O0" CXXFLAGS="-O0" CPPFLAGS="-DHB_DEBUG" ../configure --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2 && make -j32 && (make check || ../.ci/fail.sh)
       - run: pip install pefile