diff --git a/.github/workflows/conda-package-cf.yml b/.github/workflows/conda-package-cf.yml
index 4b931393..fe7a842a 100644
--- a/.github/workflows/conda-package-cf.yml
+++ b/.github/workflows/conda-package-cf.yml
@@ -26,17 +26,17 @@ jobs:
           - python: "3.10"
             numpy: "2.2"
           - python: "3.11"
-            numpy: "2.3"
+            numpy: "2.4"
           - python: "3.12"
-            numpy: "2.3"
+            numpy: "2.5"
           - python: "3.13"
-            numpy: "2.3"
+            numpy: "2.5"
           - python: "3.14"
-            numpy: "2.3"
+            numpy: "2.5"
             python_spec: "3.14.* *_cp314"
             python_tag: "3.14"
           - python: "3.14"
-            numpy: "2.3"
+            numpy: "2.5"
             python_spec: "3.14.* *_cp314t"
             python_tag: "3.14t"
           - python: "3.15"
@@ -96,6 +96,7 @@ jobs:
 
           conda build \
             "${TEST[@]}" \
+            --error-overlinking \
             "${VERSIONS[@]}" \
             "${CHANNELS[@]}" \
             conda-recipe-cf
@@ -222,17 +223,17 @@ jobs:
           - python: "3.10"
             numpy: "2.2"
           - python: "3.11"
-            numpy: "2.3"
+            numpy: "2.4"
           - python: "3.12"
-            numpy: "2.3"
+            numpy: "2.5"
           - python: "3.13"
-            numpy: "2.3"
+            numpy: "2.5"
           - python: "3.14"
-            numpy: "2.3"
+            numpy: "2.5"
             python_spec: "3.14.* *_cp314"
             python_tag: "3.14"
           - python: "3.14"
-            numpy: "2.3"
+            numpy: "2.5"
             python_spec: "3.14.* *_cp314t"
             python_tag: "3.14t"
           - python: "3.15"
@@ -286,7 +287,7 @@ jobs:
       - name: Build conda package
         run: |
           conda activate
-          conda build --no-test --python "${{ matrix.python_spec || matrix.python }}" --numpy ${{ matrix.numpy }} -c conda-forge --override-channels conda-recipe-cf
+          conda build --no-test --error-overlinking --python "${{ matrix.python_spec || matrix.python }}" --numpy ${{ matrix.numpy }} -c conda-forge --override-channels conda-recipe-cf
 
       - name: Upload artifact
         uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
diff --git a/conda-recipe-cf/conda_build_config.yaml b/conda-recipe-cf/conda_build_config.yaml
index 2862ddf3..6e19b3ef 100644
--- a/conda-recipe-cf/conda_build_config.yaml
+++ b/conda-recipe-cf/conda_build_config.yaml
@@ -1,11 +1,13 @@
-numpy:
-    - '1.26.4'
+numpy:                        # as in conda-forge's global pinning; CI overrides it with --numpy
+    - '2'
 c_compiler:                   # [linux]
     - gcc                     # [linux]
+c_compiler_version:           # [linux]
+    - '15'                    # [linux]
 cxx_compiler:                 # [linux]
     - gxx                     # [linux]
 cxx_compiler_version:         # [linux]
-    - '14'                    # [linux]
+    - '15'                    # [linux]
 c_stdlib:                     # [linux]
     - sysroot                 # [linux]
 c_stdlib_version:             # [linux]
diff --git a/conda-recipe-cf/meta.yaml b/conda-recipe-cf/meta.yaml
index 115a357d..673551a2 100644
--- a/conda-recipe-cf/meta.yaml
+++ b/conda-recipe-cf/meta.yaml
@@ -10,10 +10,12 @@ source:
 
 build:
     number: {{ buildnumber }}
+    ignore_run_exports_from:
+      - {{ compiler('dpcpp') }}  # [linux]
     ignore_run_exports:
       - blas
-      - numpy
-      - llvm-openmp
+    missing_dso_whitelist:
+      - $RPATH/mkl_umath_loops.dll  # [win]
 
 requirements:
     build:
@@ -29,14 +31,15 @@ requirements:
       - cython >=3.1.0
       - python
       - mkl-devel
+      - intel-cmplr-lib-rt  # [not osx]
       - numpy
       - llvm-openmp
       - pip
     run:
       - python
-      - {{ pin_compatible('mkl') }}
-      - {{ pin_compatible('numpy') }}
-      - {{ pin_compatible('intel-cmplr-lib-rt') }}
+      # NumPy 1 vs 2 loops are chosen at compile time (USE_NUMPY_2), so a build
+      # against NumPy 2 must not run on NumPy 1.x; run_exports add the upper bound
+      - numpy >=2
 
 test:
     requires: