diff --git a/CharLS.spec b/CharLS.spec
index a0b04fa..4b26441 100644
--- a/CharLS.spec
+++ b/CharLS.spec
@@ -13,6 +13,8 @@ Patch0:		charls_add_cmake_install_target.patch
 Patch1:		charls_add_sharedlib_soname.patch
 Patch2:		charls_fix_tests.patch
 
+BuildRequires:  gcc
+BuildRequires:  gcc-c++
 BuildRequires:	cmake >= 2.6.0
 BuildRequires:	dos2unix