diff --git a/pfstools.spec b/pfstools.spec
index bd1a80a..f80d26c 100644
--- a/pfstools.spec
+++ b/pfstools.spec
@@ -20,7 +20,11 @@ BuildRequires:	libtiff-devel
 # https://github.com/AcademySoftwareFoundation/Imath/blob/master/docs/PortingGuide2-3.md
 # for porting details and encourage upstream to support it. For now a 2.x
 # compat package is provided.
-BuildRequires:	OpenEXR-devel < 3
+%if 0%{?fedora} > 33
+BuildRequires:  cmake(OpenEXR)
+%else
+BuildRequires:	OpenEXR-devel
+%endif
 BuildRequires:	octave-devel
 BuildRequires:	libGL-devel
 BuildRequires:	ImageMagick-devel