diff --git a/ghc.spec b/ghc.spec
index 686b95b..3914fb6 100644
--- a/ghc.spec
+++ b/ghc.spec
@@ -87,8 +87,7 @@ BuildRequires: perl-interpreter
 BuildRequires: python3
 %endif
 %if %{with docs}
-# for /usr/bin/sphinx-build
-BuildRequires: python-sphinx
+BuildRequires: python3-sphinx
 %endif
 %ifarch %{ghc_llvm_archs}
 BuildRequires: llvm%{llvm_major}