diff --git a/.github/workflows/build_osx.yml b/.github/workflows/build_osx.yml
index eb680e54c1..6cabc97578 100644
--- a/.github/workflows/build_osx.yml
+++ b/.github/workflows/build_osx.yml
@@ -49,8 +49,8 @@ jobs:
 
       - name: Unpack Dependencies
         run: |
-          install_root=$(find ./build -maxdepth 4 -type d -name install 2>/dev/null | head -n 1 || true)
-          [ -n "$install_root" ] && find "$install_root" -type f -name 'cache-*.tar.gz' -maxdepth 1 -exec tar -xzf {} -C "$install_root" \; || true
+          cd build
+          python ../nix/cache_dependencies.py unpack
 
       - name: ccache
         uses: hendrikmuhs/ccache-action@v1.2
@@ -95,9 +95,7 @@ jobs:
       - name: Pack Dependencies
         run: |
           cd build
-          for install_dir in $(find $(find . -maxdepth 4 -name install) -mindepth 1 -maxdepth 1 -type d); do
-            test -f $(dirname "$install_dir")/cache-$(basename "$install_dir").tar.gz || tar -czf $(dirname "$install_dir")/cache-$(basename "$install_dir").tar.gz -C $(dirname "$install_dir") $(basename "$install_dir");
-          done
+          python ../nix/cache_dependencies.py pack
 
       - name: Commit and Push Changes to Build Repository
         run: |
diff --git a/.github/workflows/build_pyodide.yml b/.github/workflows/build_pyodide.yml
index 744bd9e772..d0feb08a8b 100644
--- a/.github/workflows/build_pyodide.yml
+++ b/.github/workflows/build_pyodide.yml
@@ -26,7 +26,7 @@ jobs:
       - name: Unpack Dependencies
         run: |
           cd ifcopenshell_build
-          python ../IfcOpenShell/pyodide/cache_dependencies.py unpack
+          python ../IfcOpenShell/nix/cache_dependencies.py unpack
 
       - name: ccache
         uses: hendrikmuhs/ccache-action@v1.2
@@ -65,7 +65,7 @@ jobs:
       - name: Pack Dependencies
         run: |
           cd ifcopenshell_build
-          python ../IfcOpenShell/pyodide/cache_dependencies.py pack
+          python ../IfcOpenShell/nix/cache_dependencies.py pack
 
       - name: Commit and Push Changes to Build Repository
         run: |
diff --git a/.github/workflows/build_rocky.yml b/.github/workflows/build_rocky.yml
index 217620987a..3f608ab5f6 100644
--- a/.github/workflows/build_rocky.yml
+++ b/.github/workflows/build_rocky.yml
@@ -44,8 +44,8 @@ jobs:
 
       - name: Unpack Dependencies
         run: |
-          install_root=$(find ./build -maxdepth 4 -type d -name install 2>/dev/null | head -n 1 || true)
-          [ -n "$install_root" ] && find "$install_root" -type f -name 'cache-*.tar.gz' -maxdepth 1 -exec tar -xzf {} -C "$install_root" \; || true
+          cd build
+          python3 ../nix/cache_dependencies.py unpack
 
       - name: ccache
         # TODO: Use tag after 1.2.20 releases.
@@ -72,9 +72,7 @@ jobs:
       - name: Pack Dependencies
         run: |
           cd build
-          for install_dir in $(find $(find . -maxdepth 4 -name install) -mindepth 1 -maxdepth 1 -type d); do
-            test -f $(dirname "$install_dir")/cache-$(basename "$install_dir").tar.gz || tar -czf $(dirname "$install_dir")/cache-$(basename "$install_dir").tar.gz -C $(dirname "$install_dir") $(basename "$install_dir");
-          done
+          python3 ../nix/cache_dependencies.py pack
 
       - name: Commit and Push Changes to Build Repository
         run: |
diff --git a/.github/workflows/build_rocky_arm.yml b/.github/workflows/build_rocky_arm.yml
index d195b7b868..e08cf2c78f 100644
--- a/.github/workflows/build_rocky_arm.yml
+++ b/.github/workflows/build_rocky_arm.yml
@@ -44,8 +44,8 @@ jobs:
 
       - name: Unpack Dependencies
         run: |
-          install_root=$(find ./build -maxdepth 4 -type d -name install 2>/dev/null | head -n 1 || true)
-          [ -n "$install_root" ] && find "$install_root" -type f -name 'cache-*.tar.gz' -maxdepth 1 -exec tar -xzf {} -C "$install_root" \; || true
+          cd build
+          python3 ../nix/cache_dependencies.py unpack
 
       - name: ccache
         # TODO: Use tag after 1.2.20 releases.
@@ -72,9 +72,7 @@ jobs:
       - name: Pack Dependencies
         run: |
           cd build
-          for install_dir in $(find $(find . -maxdepth 4 -name install) -mindepth 1 -maxdepth 1 -type d); do
-            test -f $(dirname "$install_dir")/cache-$(basename "$install_dir").tar.gz || tar -czf $(dirname "$install_dir")/cache-$(basename "$install_dir").tar.gz -C $(dirname "$install_dir") $(basename "$install_dir");
-          done
+          python3 ../nix/cache_dependencies.py pack
 
       - name: Commit and Push Changes to Build Repository
         run: |
diff --git a/pyodide/cache_dependencies.py b/nix/cache_dependencies.py
similarity index 92%
rename from pyodide/cache_dependencies.py
rename to nix/cache_dependencies.py
index b01b552f8c..d03bda3dbc 100644
--- a/pyodide/cache_dependencies.py
+++ b/nix/cache_dependencies.py
@@ -10,6 +10,7 @@ Expected to be executed from 'build' directory (e.g. that might contain 'Linux/x
 Usage: python cache_dependencies.py [pack|unpack]
 """
 
+import platform
 import sys
 import tarfile
 from pathlib import Path
@@ -19,7 +20,11 @@ CACHE_PREFIX = "cache-"
 
 
 def get_install_dir() -> Path:
-    for data in Path.cwd().glob("*/*/install"):
+    if platform.system() == "Darwin":
+        pattern = "Darwin/*/*/install"
+    else:
+        pattern = "*/*/install"
+    for data in Path.cwd().glob(pattern):
         return data
     raise Exception("No install dir found")