diff --git a/scripts/prepare_offline_packages.sh b/scripts/prepare_offline_packages.sh
index 49198dc..6574d23 100644
--- a/scripts/prepare_offline_packages.sh
+++ b/scripts/prepare_offline_packages.sh
@@ -112,13 +112,18 @@ log_info "Downloading system packages and their dependencies..."
 
 # Define base packages
 PACKAGES=(
-    "cmake3.x86_64"
-    "nlohmann-json-devel.x86_64"
-    "boost-devel.x86_64"
-    "openssl-devel.x86_64"
-    "python3.x86_64"
-    "python3-pip.x86_64"
-    "@Development Tools"
+    "cmake3"
+    "json-c-devel"
+    "boost-devel"
+    "openssl-devel"
+    "python3"
+    "python3-pip"
+    "gcc"
+    "gcc-c++"
+    "make"
+    "autoconf"
+    "automake"
+    "libtool"
 )
 
 # Create a temporary file for all packages including dependencies
@@ -127,16 +132,8 @@ TEMP_PKGS=$(mktemp)
 # Get all dependencies
 for pkg in "${PACKAGES[@]}"; do
     log_info "Checking dependencies for $pkg..."
-    if [[ "$pkg" == @* ]]; then
-        # Handle package groups
-        # Remove '+' prefix and leading/trailing whitespace from package names
-        yum groupinfo "${pkg#@}" | grep "Mandatory Packages:" -A 100 | \
-        grep "^[[:space:]]*[^[:space:]]*" | \
-        sed 's/^[[:space:]]*+*//;s/[[:space:]]*$//' >> "$TEMP_PKGS"
-    else
-        echo "$pkg" >> "$TEMP_PKGS"
-        get_dependencies "$pkg" >> "$TEMP_PKGS"
-    fi
+    echo "$pkg" >> "$TEMP_PKGS"
+    get_dependencies "$pkg" >> "$TEMP_PKGS"
 done
 
 # Remove duplicates and sort