diff --git a/.github/workflows/build_test_release_eudsl.yml b/.github/workflows/build_test_release_eudsl.yml
index 5a2de7d..d7d8286 100644
--- a/.github/workflows/build_test_release_eudsl.yml
+++ b/.github/workflows/build_test_release_eudsl.yml
@@ -128,7 +128,8 @@ jobs:
           # prevent OOM on free GHA
           echo "EUDSLPY_DISABLE_COMPILE_OPT=${{ inputs.eudslpy_disable_compile_opt == 'true' && 'ON' || 'OFF' }}" >> $GITHUB_ENV
           
-          pip install cibuildwheel
+          $python3_command -m pip install cibuildwheel
+          $python3_command -m pip install -r requirements-dev.txt
 
       - name: "Build eudsl-tblgen"
         run: |
@@ -141,7 +142,7 @@ jobs:
           else
             export CMAKE_PREFIX_PATH=$PWD/llvm-install
             export PIP_FIND_LINKS=$PWD/wheelhouse
-            $python3_command -m pip wheel "$PWD/projects/eudsl-tblgen" -w wheelhouse -v
+            $python3_command -m pip wheel "$PWD/projects/eudsl-tblgen" -w wheelhouse -v --no-build-isolation
           fi
 
       - name: "Build eudsl-llvmpy"
@@ -156,7 +157,8 @@ jobs:
           else
             export CMAKE_PREFIX_PATH=$PWD/llvm-install
             export PIP_FIND_LINKS=$PWD/wheelhouse
-            $python3_command -m pip wheel "$PWD/projects/eudsl-llvmpy" -w wheelhouse -v
+            $python3_command -m pip install eudsl-tblgen -f wheelhouse
+            $python3_command -m pip wheel "$PWD/projects/eudsl-llvmpy" -w wheelhouse -v --no-build-isolation
           fi
 
       - name: "Build eudsl-nbgen"
@@ -170,7 +172,7 @@ jobs:
           else
             export CMAKE_PREFIX_PATH=$PWD/llvm-install
             export PIP_FIND_LINKS=$PWD/wheelhouse
-            $python3_command -m pip wheel "$PWD/projects/eudsl-nbgen" -w wheelhouse -v
+            $python3_command -m pip wheel "$PWD/projects/eudsl-nbgen" -w wheelhouse -v --no-build-isolation
           fi
 
       - name: "Build eudsl-py"
@@ -185,7 +187,7 @@ jobs:
           else
             export CMAKE_PREFIX_PATH=$PWD/llvm-install
             export PIP_FIND_LINKS=$PWD/wheelhouse
-            $python3_command -m pip wheel "$PWD/projects/eudsl-py" -w wheelhouse -v
+            $python3_command -m pip wheel "$PWD/projects/eudsl-py" -w wheelhouse -v --no-build-isolation
           fi
 
       # just to/make sure total build continues to work
@@ -193,7 +195,6 @@ jobs:
         if: ${{ github.event_name == 'pull_request' }}
         run: |
 
-          $python3_command -m pip install -r requirements.txt
           $python3_command -m pip install eudsl-tblgen -f wheelhouse
           cmake -B $PWD/eudsl-build -S $PWD \
             -DCMAKE_PREFIX_PATH=$PWD/llvm-install \
diff --git a/requirements.txt b/requirements-dev.txt
similarity index 81%
rename from requirements.txt
rename to requirements-dev.txt
index bf532c3..de1d006 100644
--- a/requirements.txt
+++ b/requirements-dev.txt
@@ -1,3 +1,4 @@
+litgen @ git+https://github.com/pthom/litgen@f5d154c6f7679e755baa1047563d7c340309bc00
 nanobind==2.4.0
 numpy==2.0.2
-litgen @ git+https://github.com/pthom/litgen@f5d154c6f7679e755baa1047563d7c340309bc00
+scikit-build-core==0.10.7