diff --git a/justfiles/version_update.just b/justfiles/version_update.just
index dc16866..4b13d80 100644
--- a/justfiles/version_update.just
+++ b/justfiles/version_update.just
@@ -16,12 +16,23 @@ complete-update VERSION="":
         exit 1
     fi
     echo "🚀 Complete Nushell Update (ALL-IN-ONE) - RUNNER"
-    echo "Note: Using built nu 0.108.0 binary (system nu may be broken)"
     echo ""
     cd "{{justfile_directory()}}"
     SCRIPT_DIR="{{justfile_directory()}}/scripts"
-    # Use newly built nu binary instead of broken system nu
-    NU_BIN="{{justfile_directory()}}/nushell/target/release/nu"
+
+    # Determine which nu binary to use (prefer compiled, fallback to system)
+    COMPILED_NU="{{justfile_directory()}}/nushell/target/release/nu"
+    if [ -f "$COMPILED_NU" ]; then
+        NU_BIN="$COMPILED_NU"
+        echo "Using compiled Nushell binary: $NU_BIN"
+    elif command -v nu &> /dev/null; then
+        NU_BIN="nu"
+        echo "Using system Nushell binary: $(which nu)"
+    else
+        echo "❌ Error: No Nushell binary found (neither compiled nor in system)"
+        echo "Please install Nushell or compile it first"
+        exit 1
+    fi
 
     echo "Step 1/7: Downloading Nushell {{VERSION}}..."
     echo "  📝 Command: $NU_BIN $SCRIPT_DIR/download_nushell.nu {{VERSION}}"
@@ -110,11 +121,23 @@ complete-update-interactive VERSION="":
         exit 1
     fi
     echo "🚀 Complete Nushell Update (INTERACTIVE MODE)"
-    echo "Note: Using built nu binary (system nu may be broken)"
     echo ""
     cd "{{justfile_directory()}}"
     SCRIPT_DIR="{{justfile_directory()}}/scripts"
-    NU_BIN="{{justfile_directory()}}/nushell/target/release/nu"
+
+    # Determine which nu binary to use (prefer compiled, fallback to system)
+    COMPILED_NU="{{justfile_directory()}}/nushell/target/release/nu"
+    if [ -f "$COMPILED_NU" ]; then
+        NU_BIN="$COMPILED_NU"
+        echo "Using compiled Nushell binary: $NU_BIN"
+    elif command -v nu &> /dev/null; then
+        NU_BIN="nu"
+        echo "Using system Nushell binary: $(which nu)"
+    else
+        echo "❌ Error: No Nushell binary found (neither compiled nor in system)"
+        echo "Please install Nushell or compile it first"
+        exit 1
+    fi
 
     echo "Step 1/7: Downloading Nushell {{VERSION}}..."
     "$NU_BIN" "$SCRIPT_DIR/download_nushell.nu" "{{VERSION}}" || exit 1