diff --git a/config-hlrs/packages.yaml b/config-hlrs/packages.yaml
index 921d930..6d0bfa1 100644
--- a/config-hlrs/packages.yaml
+++ b/config-hlrs/packages.yaml
@@ -5,8 +5,8 @@ packages:
       blas: [cray-libsci]
       lapack: [cray-libsci]
       scalapack: [cray-libsci]
-      pkgconf: [pkg-config]
-      zlib-ng: [zlib]
+      pkgconfig: [pkg-config]
+      zlib-api: [zlib-ng+compat]
   cray-mpich:
     externals:
     - spec: cray-mpich@8.1.30%gcc