diff --git a/stacks/pinot-noir/packages_stack.yaml b/stacks/pinot-noir/packages_stack.yaml
index 65395e6e0198c58d5b8746fe5d5094f8eac4d3ef..55a4f8233c96c8530367013e7a83a3a8a839ad4f 100644
--- a/stacks/pinot-noir/packages_stack.yaml
+++ b/stacks/pinot-noir/packages_stack.yaml
@@ -5,6 +5,7 @@ packages:
         when: '%gcc'
       - spec: '^netlib-scalapack'
         when: '%gcc ^scalapack'
+
   # ----------------------------------------------------------------------------
   # Requirements
   # ----------------------------------------------------------------------------
@@ -125,6 +126,9 @@ packages:
   metis:
     require: ['+real64']
 
+  mpfr:
+    require: ['@4.0.2']
+
   netcdf-c:
     prefer: ['+mpi']
 
@@ -162,9 +166,6 @@ packages:
     - one_of: ['@0.29.36', '@3.0.8']
     prefer: ['@3.0.8']
 
-  py-grpcio:
-    prefer: ['@1.64.0']
-
   py-numpy:
     prefer: ['@1.26.4']