diff --git a/pyproject.toml b/pyproject.toml
index d6cf6bf..0dc5b5b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -52,7 +52,7 @@ before-build = [
     "wget https://github.com/scipopt/pyscipopt/archive/refs/tags/v5.1.1.zip -O pyscipopt.zip",
     "unzip pyscipopt.zip",
     "cd PySCIPOpt-5.1.1",
-    "python -m pip install ."
+    "python -m pip install /tmp/cibuildwheel/built_wheel"
 ]
 environment = { SCIPOPTDIR="$(pwd)/gcg", GCGOPTDIR="$(pwd)/gcg", LD_LIBRARY_PATH="$(pwd)/gcg/lib:$LD_LIBRARY_PATH", DYLD_LIBRARY_PATH="$(pwd)/gcg/lib:$DYLD_LIBRARY_PATH", PATH="$(pwd)/gcg/bin:$PATH", PKG_CONFIG_PATH="$(pwd)/gcg/lib/pkgconfig:$PKG_CONFIG_PATH", RELEASE="true"}