diff --git a/.gitea/workflows/release.yml b/.gitea/workflows/release.yml
index c696ba8..13c42a0 100644
--- a/.gitea/workflows/release.yml
+++ b/.gitea/workflows/release.yml
@@ -25,23 +25,36 @@ jobs:
 
       - name: Install System and Cross-Compilation Build Dependencies
         run: |
+          echo "=== SYSTEM DIAGNOSTICS ==="
+          uname -a || true
+          python3 --version || true
+          SUDO=""
+          if [ "$(id -u)" -ne 0 ] && command -v sudo >/dev/null 2>&1; then
+            SUDO="sudo"
+          fi
           if command -v apt-get >/dev/null 2>&1; then
-            echo "[*] Installing Python shared libraries, headers, NSIS, and build dependencies..."
-            SUDO=""
-            if [ "$(id -u)" -ne 0 ] && command -v sudo >/dev/null 2>&1; then
-              SUDO="sudo"
-            fi
+            echo "[*] Installing Python shared libraries, headers, NSIS via apt-get..."
             export DEBIAN_FRONTEND=noninteractive
-            $SUDO apt-get update -y || true
+            $SUDO apt-get clean || true
+            $SUDO apt-get update --allow-releaseinfo-change -y || $SUDO apt-get update -y || true
             PY_VER=$(python3 -c "import sys; print(f'{sys.version_info.major}.{sys.version_info.minor}')" 2>/dev/null || echo "3.9")
             echo "[*] Detected Python version: ${PY_VER}"
-            for pkg in nsis "libpython${PY_VER}" "libpython${PY_VER}-dev" "python${PY_VER}-dev" python3-dev libpython3-dev build-essential gcc make curl tar gzip zip unzip; do
-              $SUDO apt-get install -y --no-install-recommends "$pkg" || true
+            $SUDO apt-get install -y --allow-unauthenticated --no-install-recommends \
+              nsis "libpython${PY_VER}" "libpython${PY_VER}-dev" "python${PY_VER}-dev" \
+              python3-dev libpython3-dev build-essential gcc make curl tar gzip zip unzip || true
+            for pkg in nsis "libpython${PY_VER}" "libpython${PY_VER}-dev" "python${PY_VER}-dev" python3-dev libpython3-dev build-essential; do
+              $SUDO apt-get install -y --allow-unauthenticated --no-install-recommends "$pkg" || true
             done
             echo "[*] Verifying makensis:"
             which makensis || echo "makensis not in PATH"
             echo "[*] Verifying libpython shared library:"
             find /usr/lib /usr/local/lib -name "libpython*.so*" 2>/dev/null || true
+          elif command -v apk >/dev/null 2>&1; then
+            echo "[*] Installing dependencies via apk..."
+            $SUDO apk add --no-cache nsis python3-dev build-base gcc make curl tar gzip zip unzip || true
+          elif command -v dnf >/dev/null 2>&1; then
+            echo "[*] Installing dependencies via dnf..."
+            $SUDO dnf install -y mingw32-nsis nsis python3-devel gcc make curl tar gzip zip unzip || true
           fi
           python3 compilation/ensure_pip.py
           python3 -m pip install --upgrade pip --break-system-packages 2>/dev/null || python3 -m pip install --upgrade pip 2>/dev/null || true
diff --git a/compilation/package_dist.py b/compilation/package_dist.py
index 1764d68..9b41446 100644
--- a/compilation/package_dist.py
+++ b/compilation/package_dist.py
@@ -136,24 +136,63 @@ def create_windows_exe_zipapp(script_name, exe_name):
     print(f"[+] Successfully cross-compiled Windows PE executable: {exe_name}.exe (PE Stub attached: {bool(stub_bytes)})")
 
 
+def ensure_makensis():
+    """Finds or attempts to install makensis on the current system."""
+    for cmd in ["makensis", "/usr/bin/makensis", "/usr/local/bin/makensis",
+                r"C:\Program Files (x86)\NSIS\makensis.exe",
+                r"C:\Program Files\NSIS\makensis.exe"]:
+        p = shutil.which(cmd) if not os.path.isabs(cmd) else cmd
+        if p and (os.path.exists(p) or shutil.which(p)):
+            return p
+
+    if platform.system() == "Linux":
+        print("[*] Attempting to install 'nsis' package dynamically...")
+        sudo = ["sudo"] if hasattr(os, "geteuid") and os.geteuid() != 0 and shutil.which("sudo") else []
+        if shutil.which("apt-get"):
+            try:
+                subprocess.run(sudo + ["apt-get", "update", "--allow-releaseinfo-change", "-y"], check=False)
+                subprocess.run(sudo + ["apt-get", "install", "-y", "--no-install-recommends", "nsis"], check=False)
+            except Exception as e:
+                print(f"[!] Warning: Dynamic apt install failed: {e}")
+        elif shutil.which("apk"):
+            try:
+                subprocess.run(sudo + ["apk", "add", "--no-cache", "nsis"], check=False)
+            except Exception:
+                pass
+        elif shutil.which("dnf"):
+            try:
+                subprocess.run(sudo + ["dnf", "install", "-y", "mingw32-nsis", "nsis"], check=False)
+            except Exception:
+                pass
+
+        for cmd in ["makensis", "/usr/bin/makensis", "/usr/local/bin/makensis"]:
+            p = shutil.which(cmd) if not os.path.isabs(cmd) else cmd
+            if p and (os.path.exists(p) or shutil.which(p)):
+                return p
+
+    return None
+
+
+def ensure_libpython():
+    """Attempts to install libpython shared library on Debian/Ubuntu for PyInstaller."""
+    if platform.system() == "Linux" and shutil.which("apt-get"):
+        py_ver = f"{sys.version_info.major}.{sys.version_info.minor}"
+        sudo = ["sudo"] if hasattr(os, "geteuid") and os.geteuid() != 0 and shutil.which("sudo") else []
+        try:
+            subprocess.run(sudo + ["apt-get", "update", "--allow-releaseinfo-change", "-y"], check=False)
+            subprocess.run(sudo + ["apt-get", "install", "-y", "--no-install-recommends", f"libpython{py_ver}", "python3-dev", f"python{py_ver}-dev"], check=False)
+        except Exception:
+            pass
+
+
 def compile_nsis_installers():
     """Compiles NSIS installers if makensis is available (native Linux/Windows)."""
-    makensis_cmd = None
-    if shutil.which("makensis"):
-        makensis_cmd = [shutil.which("makensis")]
-    elif os.path.exists("/usr/bin/makensis"):
-        makensis_cmd = ["/usr/bin/makensis"]
-    elif os.path.exists("/usr/local/bin/makensis"):
-        makensis_cmd = ["/usr/local/bin/makensis"]
-    elif os.path.exists(r"C:\Program Files (x86)\NSIS\makensis.exe"):
-        makensis_cmd = [r"C:\Program Files (x86)\NSIS\makensis.exe"]
-    elif os.path.exists(r"C:\Program Files\NSIS\makensis.exe"):
-        makensis_cmd = [r"C:\Program Files\NSIS\makensis.exe"]
-
-    if not makensis_cmd:
+    makensis_bin = ensure_makensis()
+    if not makensis_bin:
         print("[!] Note: NSIS compiler (makensis) not found in PATH or standard directories.")
         return False
 
+    makensis_cmd = [makensis_bin]
     compilation_dir = os.path.join(ROOT_DIR, "compilation")
     success = True
     for nsi in ["installer_client.nsi", "installer_server.nsi"]:
@@ -288,6 +327,7 @@ def build_linux():
     is_linux_host = platform.system() == "Linux"
 
     if is_linux_host:
+        ensure_libpython()
         try:
             linux_client_script = os.path.join(SRC_DIR, "Linux_Client.py")
             build_pyinstaller_binary(linux_client_script, "Linux_Client.bin")