diff --git a/conda/recipes/librapidsmpf/recipe.yaml b/conda/recipes/librapidsmpf/recipe.yaml
index db2fda3d7..0e192a64d 100644
--- a/conda/recipes/librapidsmpf/recipe.yaml
+++ b/conda/recipes/librapidsmpf/recipe.yaml
@@ -88,7 +88,6 @@ outputs:
         - libpmix-devel >=5.0,<6.0
         - librmm =${{ minor_version }}
         - libucxx ${{ ucxx_version }}
-        - ucx
         - openmpi >=5.0  # See <https://github.com/rapidsai/rapidsmpf/issues/17>
 
   - package:
@@ -134,6 +133,7 @@ outputs:
         - librmm =${{ minor_version }}
         - libpmix >=5.0,<6.0
         - libucxx ${{ ucxx_version }}
+        - ucx  # librapidsmpf.so links libucp; the version range comes from libucxx
         - openmpi >=5.0  # See <https://github.com/rapidsai/rapidsmpf/issues/17>
       ignore_run_exports:
         from_package:
@@ -190,7 +190,7 @@ outputs:
         - librmm =${{ minor_version }}
         - openmpi >=5.0  # See <https://github.com/rapidsai/rapidsmpf/issues/17>
         - libucxx ${{ ucxx_version }}
-        - ucx
+        - ucx  # bare pin to suppress overlinking errors (rely on libucxx's range)
       ignore_run_exports:
         from_package:
           - ${{ compiler("c") }}
diff --git a/cpp/tests/test_buffer_resource.cpp b/cpp/tests/test_buffer_resource.cpp
index a46521710..920f98964 100644
--- a/cpp/tests/test_buffer_resource.cpp
+++ b/cpp/tests/test_buffer_resource.cpp
@@ -299,6 +299,10 @@ TEST(BufferResource, HostMemoryAvailabilityTracksLiveAllocations) {
 }
 
 TEST(BufferResource, RejectsZeroPinnedMaxPoolSize) {
+    if (!is_pinned_memory_resources_supported()) {
+        GTEST_SKIP() << "Pinned memory not supported on this system";
+    }
+
     rmm::mr::cuda_memory_resource cuda_mr;
     EXPECT_THROW(
         std::ignore = BufferResource::create(