diff --git a/.github/workflows/user_project_ci.yml b/.github/workflows/user_project_ci.yml
index 87f7d3e..6b27f4b 100644
--- a/.github/workflows/user_project_ci.yml
+++ b/.github/workflows/user_project_ci.yml
@@ -11,13 +11,13 @@ jobs:
   download_caravel:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
+        uses: docker/setup-qemu-action@v2
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v3
 
       - name: Setup Environment Variables
         run: |
@@ -42,7 +42,7 @@ jobs:
           tar -cf /tmp/caravel.tar -C $CARAVEL_ROOT .
 
       - name: Upload Caravel Tarball
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: caravel-tarball
           path: /tmp/caravel.tar
@@ -51,16 +51,16 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        targets: ["pdk-with-volare", "install_mcw", "openlane", "setup-timing-scripts", "precheck"]
+        targets: ["pdk-with-ciel", "install_mcw", "openlane", "setup-timing-scripts", "precheck"]
     needs: [download_caravel]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
+        uses: docker/setup-qemu-action@v2
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v3
 
       - name: Setup Environment Variables
         run: |
@@ -80,7 +80,7 @@ jobs:
           elif [[ "${{ matrix.targets }}" == "openlane" ]]; then
             echo "dep_name=openlane" >> $GITHUB_ENV
             echo "dep_root=${{ env.OPENLANE_ROOT }}" >> $GITHUB_ENV
-          elif [[ "${{ matrix.targets }}" == "pdk-with-volare" ]]; then
+          elif [[ "${{ matrix.targets }}" == "pdk-with-ciel" ]]; then
             echo "dep_name=pdk" >> $GITHUB_ENV
             echo "dep_root=${{ env.PDK_ROOT }}" >> $GITHUB_ENV
           elif [[ "${{ matrix.targets }}" == "setup-timing-scripts" ]]; then
@@ -92,7 +92,7 @@ jobs:
           fi
 
       - name: Download caravel Tarball
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v4
         with:
           name: caravel-tarball
           path: /tmp
@@ -118,7 +118,7 @@ jobs:
           tar -cf /tmp/${{ env.dep_name }}.tar -C ${{ env.dep_root }} .
 
       - name: Upload Dependencies Tarball
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: ${{ env.dep_name }}-tarball
           path: /tmp/${{ env.dep_name }}.tar
@@ -131,13 +131,13 @@ jobs:
         pdk: ["sky130A", "sky130B"]
     needs: [download_deps]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
+        uses: docker/setup-qemu-action@v2
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v3
 
       - name: Export ENVIRONMENT VARIABLES
         run: |
@@ -152,7 +152,7 @@ jobs:
           echo "MPW_TAG=main" >> $GITHUB_ENV
 
       - name: Download PDK Tarball
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v4
         with:
           name: pdk-tarball
           path: /tmp
@@ -164,7 +164,7 @@ jobs:
           tar -xf /tmp/pdk.tar -C $PDK_ROOT .
 
       - name: Download openlane Tarball
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v4
         with:
           name: openlane-tarball
           path: /tmp
@@ -177,6 +177,9 @@ jobs:
 
       - name: Harden using Openlane
         run: |
+          python3 -m venv venv
+          source venv/bin/activate
+          pip install --upgrade --no-cache-dir ceil
           python3 $GITHUB_WORKSPACE/.github/scripts/get_designs.py --design $GITHUB_WORKSPACE
           for word in $(cat harden_sequence.txt); do
             echo "CURRENT_DESIGN=${word}" >> $GITHUB_ENV
@@ -190,7 +193,7 @@ jobs:
       
       - name: upload failure logs
         if: failure()
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: openlane-issue-reproducible
           path: |
@@ -201,7 +204,7 @@ jobs:
           tar -cf /tmp/design_${{ matrix.pdk }}.tar -C $GITHUB_WORKSPACE .
 
       - name: Upload Design_${{ matrix.pdk }} Tarball
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: design_${{ matrix.pdk }}-tarball
           path: /tmp/design_${{ matrix.pdk }}.tar
@@ -214,13 +217,13 @@ jobs:
         pdk: ["sky130A", "sky130B"]
     needs: [download_deps]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
+        uses: docker/setup-qemu-action@v2
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v3
 
       - name: Export ENVIRONMENT VARIABLES
         run: |
@@ -235,7 +238,7 @@ jobs:
           echo "MPW_TAG=main" >> $GITHUB_ENV
 
       - name: Download PDK Tarball
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v4
         with:
           name: pdk-tarball
           path: /tmp
@@ -247,7 +250,7 @@ jobs:
           tar -xf /tmp/pdk.tar -C $PDK_ROOT .
       
       - name: Download caravel Tarball
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v4
         with:
           name: caravel-tarball
           path: /tmp
@@ -259,7 +262,7 @@ jobs:
           tar -xf /tmp/caravel.tar -C $CARAVEL_ROOT .
       
       - name: Download mgmt_core_wrapper Tarball
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v4
         with:
           name: mgmt_core_wrapper-tarball
           path: /tmp
@@ -290,12 +293,12 @@ jobs:
         pdk: ["sky130A", "sky130B"]
     needs: [hardening]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
+        uses: docker/setup-qemu-action@v2
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v3
 
       - name: Export ENVIRONMENT VARIABLES
         run: |
@@ -310,7 +313,7 @@ jobs:
           echo "MPW_TAG=main" >> $GITHUB_ENV
 
       - name: Download PDK Tarball
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v4
         with:
           name: pdk-tarball
           path: /tmp
@@ -322,7 +325,7 @@ jobs:
           tar -xf /tmp/pdk.tar -C $PDK_ROOT .
 
       - name: Download precheck Tarball
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v4
         with:
           name: precheck-tarball
           path: /tmp
@@ -334,7 +337,7 @@ jobs:
           tar -xf /tmp/precheck.tar -C $PRECHECK_ROOT .
 
       - name: Download Design_${{ matrix.pdk }} Tarball
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v4
         with:
           name: design_${{ matrix.pdk }}-tarball
           path: /tmp
@@ -368,12 +371,12 @@ jobs:
         pdk: ["sky130A"]
     needs: [hardening]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
+        uses: docker/setup-qemu-action@v2
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v3
 
       - name: Export ENVIRONMENT VARIABLES
         run: |
@@ -388,7 +391,7 @@ jobs:
           echo "MPW_TAG=main" >> $GITHUB_ENV
 
       - name: Download PDK Tarball
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v4
         with:
           name: pdk-tarball
           path: /tmp
@@ -400,7 +403,7 @@ jobs:
           tar -xf /tmp/pdk.tar -C $PDK_ROOT .
 
       - name: Download timing-scripts Tarball
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v4
         with:
           name: timing-scripts-tarball
           path: /tmp
@@ -412,7 +415,7 @@ jobs:
           tar -xf /tmp/timing-scripts.tar -C $TIMING_ROOT .
 
       - name: Download Design_${{ matrix.pdk }} Tarball
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v4
         with:
           name: design_${{ matrix.pdk }}-tarball
           path: /tmp
@@ -424,7 +427,7 @@ jobs:
           tar -xf /tmp/design_${{ matrix.pdk }}.tar -C $GITHUB_WORKSPACE .
 
       - name: Download Caravel Tarball
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v4
         with:
           name: caravel-tarball
           path: /tmp
@@ -436,7 +439,7 @@ jobs:
           tar -xf /tmp/caravel.tar -C ${{ env.CARAVEL_ROOT }} .
 
       - name: Download mgmt_core_wrapper Tarball
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v4
         with:
           name: mgmt_core_wrapper-tarball
           path: /tmp
@@ -478,13 +481,13 @@ jobs:
   #       pdk: ["sky130A", "sky130B"]
   #   needs: [download_deps]
   #   steps:
-  #     - uses: actions/checkout@v2
+  #     - uses: actions/checkout@v4
 
   #     - name: Set up QEMU
-  #       uses: docker/setup-qemu-action@v1
+  #       uses: docker/setup-qemu-action@v2
 
   #     - name: Set up Docker Buildx
-  #       uses: docker/setup-buildx-action@v1
+  #       uses: docker/setup-buildx-action@v3
 
   #     - name: Export ENVIRONMENT VARIABLES
   #       run: |
@@ -499,7 +502,7 @@ jobs:
   #         echo "MPW_TAG=main" >> $GITHUB_ENV
 
   #     - name: Download PDK Tarball
-  #       uses: actions/download-artifact@v2
+  #       uses: actions/download-artifact@v4
   #       with:
   #         name: pdk-tarball
   #         path: /tmp
@@ -511,7 +514,7 @@ jobs:
   #         tar -xf /tmp/pdk.tar -C $PDK_ROOT .
       
   #     - name: Download caravel Tarball
-  #       uses: actions/download-artifact@v2
+  #       uses: actions/download-artifact@v4
   #       with:
   #         name: caravel-tarball
   #         path: /tmp
@@ -523,7 +526,7 @@ jobs:
   #         tar -xf /tmp/caravel.tar -C $CARAVEL_ROOT .
       
   #     - name: Download mgmt_core_wrapper Tarball
-  #       uses: actions/download-artifact@v2
+  #       uses: actions/download-artifact@v4
   #       with:
   #         name: mgmt_core_wrapper-tarball
   #         path: /tmp
@@ -535,7 +538,7 @@ jobs:
   #         tar -xf /tmp/mgmt_core_wrapper.tar -C $MCW_ROOT .
 
   #     # - name: Download Design Tarball
-  #     #   uses: actions/download-artifact@v2
+  #     #   uses: actions/download-artifact@v4
   #     #   with:
   #     #     name: design-tarball
   #     #     path: /tmp
diff --git a/Makefile b/Makefile
index 17d4a90..c1c0bd7 100644
--- a/Makefile
+++ b/Makefile
@@ -25,7 +25,7 @@ SIM?=RTL
 CARAVEL_LITE?=1
 
 # PDK switch varient
-export PDK?=sky130A
+export PDK?=sky130B
 #export PDK?=gf180mcuC
 export PDKPATH?=$(PDK_ROOT)/$(PDK)
 
@@ -44,7 +44,7 @@ export ROOTLESS
 
 ifeq ($(PDK),sky130A)
 	SKYWATER_COMMIT=f70d8ca46961ff92719d8870a18a076370b85f6c
-	export OPEN_PDKS_COMMIT_LVS?=6d4d11780c40b20ee63cc98e645307a9bf2b2ab8
+	export OPEN_PDKS_COMMIT_LVS?=823ec23c421cfb1d6aec06b8140cbde11cbc95a0
 	export OPEN_PDKS_COMMIT?=78b7bc32ddb4b6f14f76883c2e2dc5b5de9d1cbc
 	export OPENLANE_TAG?=2023.07.19-1
 	MPW_TAG ?= CC2509
diff --git a/openlane/Makefile b/openlane/Makefile
index edfdd02..8fe3ba9 100644
--- a/openlane/Makefile
+++ b/openlane/Makefile
@@ -87,7 +87,7 @@ endif
 
 .PHONY: enable-openlane-pdk
 enable-openlane-pdk:
-	$(UPRJ_ROOT)/venv/bin/volare enable $(OPEN_PDKS_COMMIT)
+	$(UPRJ_ROOT)/venv/bin/ciel enable $(OPEN_PDKS_COMMIT)
 
 .PHONY: openlane
 openlane: check-openlane-env