diff --git a/requirements/openblas_requirements.txt b/requirements/openblas_requirements.txt
deleted file mode 100644
index 11f22ce..0000000
--- a/requirements/openblas_requirements.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-scipy-openblas32==0.3.30.0.2
-scipy-openblas64==0.3.30.0.2
diff --git a/tools/wheels/cibw_before_build.sh b/tools/wheels/cibw_before_build.sh
index 73a44d9..97d0e95 100644
--- a/tools/wheels/cibw_before_build.sh
+++ b/tools/wheels/cibw_before_build.sh
@@ -43,7 +43,7 @@ if [[ "$INSTALL_OPENBLAS" = "true" ]] ; then
     echo pkgconf_path is $pkgconf_path, OPENBLAS is ${OPENBLAS}
     rm -rf $pkgconf_path
     mkdir -p $pkgconf_path
-    python -m pip install -r $PROJECT_DIR/requirements/openblas_requirements.txt
+    python -m pip install -r $NUMPY_SRC_DIR/requirements/ci_requirements.txt
     python -c "import scipy_${OPENBLAS}; print(scipy_${OPENBLAS}.get_pkg_config())" > $pkgconf_path/scipy-openblas.pc
 
     # Copy scipy-openblas DLL's to a fixed location so we can point delvewheel