diff --git a/.github/workflows/root-ci-config/buildconfig/fedora40.txt b/.github/workflows/root-ci-config/buildconfig/fedora40.txt
index 883b2366c8516..cb1da137b6b97 100644
--- a/.github/workflows/root-ci-config/buildconfig/fedora40.txt
+++ b/.github/workflows/root-ci-config/buildconfig/fedora40.txt
@@ -1,4 +1,5 @@
-builtin_zstd=On
+builtin_zstd=ON
+builtin_zlib=ON
 builtin_nlohmannjson=On
 builtin_vdt=On
 pythia8=Off