diff --git a/libplacebo.spec b/libplacebo.spec
index 7112462..0745fb1 100644
--- a/libplacebo.spec
+++ b/libplacebo.spec
@@ -12,7 +12,7 @@ BuildRequires:  gcc
 BuildRequires:  gcc-c++
 BuildRequires:  meson
 BuildRequires:  lcms2-devel
-BuildRequires:  libshaderc-devel > 2018.0
+BuildRequires:  libshaderc-devel >= 2018.0-1
 # Use a more modern compiler toolchain on EL7
 %if 0%{?rhel} == 7
 BuildRequires:  devtoolset-7-toolchain, devtoolset-7-libatomic-devel