diff --git a/.github/workflows/conda-pack-build.yml b/.github/workflows/conda-pack-build.yml
index d7be2ef4..649fe945 100644
--- a/.github/workflows/conda-pack-build.yml
+++ b/.github/workflows/conda-pack-build.yml
@@ -84,12 +84,24 @@ jobs:
           echo "Using mamba for faster and more reliable dependency resolution..."
           mamba install uni-lab::unilabos conda-pack -c uni-lab -c robostack-staging -c conda-forge -y
 
-      - name: Get latest ros-humble-unilabos-msgs version
-        if: steps.should_build.outputs.should_build == 'true'
-        id: msgs_version
+      - name: Get latest ros-humble-unilabos-msgs version (Windows)
+        if: steps.should_build.outputs.should_build == 'true' && matrix.platform == 'win-64'
+        id: msgs_version_win
+        run: |
+          Write-Host "Checking installed ros-humble-unilabos-msgs version..."
+          $version = (conda list ros-humble-unilabos-msgs --json | ConvertFrom-Json)[0].version
+          Write-Output "installed_version=$version" >> $env:GITHUB_OUTPUT
+          Write-Host "Installed ros-humble-unilabos-msgs version: $version"
+
+      - name: Get latest ros-humble-unilabos-msgs version (Unix)
+        if: steps.should_build.outputs.should_build == 'true' && matrix.platform != 'win-64'
+        id: msgs_version_unix
+        shell: bash
         run: |
           echo "Checking installed ros-humble-unilabos-msgs version..."
-          python scripts/get_package_version.py ros-humble-unilabos-msgs
+          VERSION=$(conda list ros-humble-unilabos-msgs --json | python -c "import sys, json; pkgs=json.load(sys.stdin); print(pkgs[0]['version'] if pkgs else 'not-found')")
+          echo "installed_version=$VERSION" >> $GITHUB_OUTPUT
+          echo "Installed ros-humble-unilabos-msgs version: $VERSION"
 
       - name: Check for newer ros-humble-unilabos-msgs
         if: steps.should_build.outputs.should_build == 'true'
diff --git a/scripts/get_package_version.py b/scripts/get_package_version.py
deleted file mode 100644
index f8f68a70..00000000
--- a/scripts/get_package_version.py
+++ /dev/null
@@ -1,68 +0,0 @@
-#!/usr/bin/env python3
-"""
-Get Conda Package Version
-==========================
-
-Get the installed version of a conda package and output it for GitHub Actions.
-
-Usage:
-    python get_package_version.py <package_name>
-
-Example:
-    python get_package_version.py ros-humble-unilabos-msgs
-"""
-
-import json
-import os
-import subprocess
-import sys
-
-
-def get_package_version(package_name: str) -> str:
-    """
-    Get the installed version of a conda package.
-
-    Args:
-        package_name: Name of the package to check
-
-    Returns:
-        str: Version string or 'not-found'
-    """
-    try:
-        # Use conda list with JSON output for reliable parsing
-        result = subprocess.run(["conda", "list", package_name, "--json"], capture_output=True, text=True, check=True)
-
-        packages = json.loads(result.stdout)
-
-        if packages:
-            version = packages[0]["version"]
-            return version
-        else:
-            return "not-found"
-
-    except (subprocess.CalledProcessError, json.JSONDecodeError, KeyError, IndexError) as e:
-        print(f"Error getting package version: {e}", file=sys.stderr)
-        return "error"
-
-
-def main():
-    """Main entry point."""
-    if len(sys.argv) != 2:
-        print(f"Usage: {sys.argv[0]} <package_name>", file=sys.stderr)
-        sys.exit(1)
-
-    package_name = sys.argv[1]
-    version = get_package_version(package_name)
-
-    # Output for GitHub Actions
-    github_output = os.getenv("GITHUB_OUTPUT")
-    if github_output:
-        with open(github_output, "a") as f:
-            f.write(f"installed_version={version}\n")
-
-    # Also print for logs
-    print(f"Installed {package_name} version: {version}")
-
-
-if __name__ == "__main__":
-    main()