diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index da81319..087d42d 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -28,10 +28,11 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
       run: |
-        python -m pip install --upgrade pip
-        python -m pip install flake8 pytest
-        if [ -f dev-requirements.txt ]; then pip install -r dev-requirements.txt; fi
+        pip install --upgrade pip
+        pip install setuptools==57.5.0
+        pip install flake8 pytest
         pip install .
+
     - name: Lint with flake8
       run: |
         # stop the build if there are Python syntax errors or undefined names
diff --git a/pyproject.toml b/pyproject.toml
index b5a3c46..a27b3df 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [build-system]
 requires = [
-    "setuptools>=42",
+    "setuptools >= 42, < 58",
     "wheel"
 ]
 build-backend = "setuptools.build_meta"
\ No newline at end of file
diff --git a/requirement.txt b/requirement.txt
index 1fa8931..ced629c 100644
--- a/requirement.txt
+++ b/requirement.txt
@@ -1,4 +1,4 @@
 click==8.0.3
 Cython==0.29.24
-pycrypto==2.6.1
+pycryptodome==3.14.1
 pyminifier==2.1
diff --git a/setup.cfg b/setup.cfg
index 2bc9959..c5d477b 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -18,6 +18,7 @@ classifiers =
     Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
+    Programming Language :: Python :: 3.10
     Programming Language :: Python :: Implementation :: CPython
     Environment :: Console
 license_files = LICENSE
@@ -28,9 +29,9 @@ keywords = python-encrypt, import-hook
 
 [options]
 install_requires = 
-    Cython
-    pycrypto
-    pyminifier
+    Cython >= 0.29.24
+    pycryptodome >= 3.14.1
+    pyminifier >= 2.1
     click
 python_requires = >=3.6
 packages = find:
diff --git a/tests/test_generate.py b/tests/test_generate.py
index 800101c..09c0b6b 100644
--- a/tests/test_generate.py
+++ b/tests/test_generate.py
@@ -12,7 +12,7 @@ def test_generate_aes_key(size):
     assert isinstance(generate_aes_key(size), bytes)
 
 
-@pytest.mark.parametrize('bits', [1024, 2048, 4096])
+@pytest.mark.parametrize('bits', [1024, 1025, 2045, 2048, 4096])
 def test_generate_rsa_number(bits):
     numbers = generate_rsa_number(bits)
     assert len(numbers) == 5
@@ -24,8 +24,8 @@ def test_generate_rsa_number(bits):
     assert pow(pow(plain, e, n), d, n) == plain
 
 
-@pytest.mark.parametrize('bits', [123, 456, 789])
+@pytest.mark.parametrize('bits', [-1, 123])
 def test_generate_rsa_number_exception(bits):
     with pytest.raises(ValueError) as excinfo:
         generate_rsa_number(bits)
-    assert str(excinfo.value) == "RSA modulus length must be a multiple of 256 and >= 1024"
\ No newline at end of file
+    assert str(excinfo.value) == "RSA modulus length must be >= 1024"
\ No newline at end of file