diff --git a/gegl.changes b/gegl.changes
index 65d1fe8..a46acc2 100644
--- a/gegl.changes
+++ b/gegl.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Sun Apr 22 23:46:51 UTC 2018 - bjorn.lie@gmail.com
+
+- Explicitly version pkgconfig(libavcodec), pkgconfig(libavformat)
+  and pkgconfig(libswscale) BuildRequires to less than the symbol
+  versions provided by ffmpeg4 branch until upstream catches up.
+  Currently provided by new ffmpeg3 compatability package.
+
 -------------------------------------------------------------------
 Wed Apr 18 21:05:59 UTC 2018 - bjorn.lie@gmail.com
 
diff --git a/gegl.spec b/gegl.spec
index 87846b1..a7fc585 100644
--- a/gegl.spec
+++ b/gegl.spec
@@ -53,12 +53,12 @@ BuildRequires:  pkgconfig(gthread-2.0)
 BuildRequires:  pkgconfig(jasper) >= 1.900.1
 BuildRequires:  pkgconfig(json-glib-1.0)
 BuildRequires:  pkgconfig(lcms2) >= 2.8
-BuildRequires:  pkgconfig(libavcodec) >= 55.69.100
-BuildRequires:  pkgconfig(libavformat) >= 55.48.100
+BuildRequires:  pkgconfig(libavcodec) < 58
+BuildRequires:  pkgconfig(libavformat) < 58
 BuildRequires:  pkgconfig(libpng) >= 1.6.0
 BuildRequires:  pkgconfig(libraw) >= 0.15.4
 BuildRequires:  pkgconfig(librsvg-2.0) >= 2.40.6
-BuildRequires:  pkgconfig(libswscale) >= 2.6.100
+BuildRequires:  pkgconfig(libswscale) < 5
 BuildRequires:  pkgconfig(libtiff-4) >= 4.0.0
 BuildRequires:  pkgconfig(libv4l2) >= 1.0.1
 BuildRequires:  pkgconfig(libwebp) >= 0.5.0