diff --git a/OpenImageIO.spec b/OpenImageIO.spec
index 506f028..f64ca7f 100644
--- a/OpenImageIO.spec
+++ b/OpenImageIO.spec
@@ -32,6 +32,7 @@ BuildRequires:  jasper-devel
 BuildRequires:  pugixml-devel
 BuildRequires:  opencv-devel
 BuildRequires:  LibRaw-devel
+BuildRequires:  openssl-devel
 
 # WARNING: OpenColorIO and OpenImageIO are cross dependent.
 # If an ABI incompatible update is done in one, the other also needs to be
@@ -119,6 +120,7 @@ rm -rf build/linux && mkdir -p build/linux && pushd build/linux
        -DINSTALL_DOCS:BOOL=FALSE \
        -DINSTALL_FONTS:BOOL=FALSE \
        -DUSE_EXTERNAL_PUGIXML:BOOL=TRUE \
+       -DUSE_OPENSSL:BOOL=TRUE \
 %ifarch ppc ppc64
        -DNOTHREADS:BOOL=FALSE \
 %endif
@@ -176,6 +178,7 @@ cp -a src/doc/*.1 %{buildroot}%{_mandir}/man1
 %changelog
 * Wed Dec 23 2015 Richard Shaw <hobbes1069@gmail.com> - 1.6.8-1
 - Update to latest upstream release.
+- Use openssl, fixes BZ#1294602.
 
 * Thu Dec 17 2015 Richard Shaw <hobbes1069@gmail.com> - 1.5.22-1
 - Update to latest upstream release.