diff --git a/.github/workflows/ARM.yml b/.github/workflows/ARM.yml
index af257bcb8..0492b7a3a 100644
--- a/.github/workflows/ARM.yml
+++ b/.github/workflows/ARM.yml
@@ -27,7 +27,7 @@ jobs:
 
       - name: Install dependencies
         run: |
-          pip install --upgrade -r requirements.txt
+          pip install -r requirements.txt
           pip install pytest numpy # for tests
 
       - name: Build and Install
diff --git a/requirements.txt b/requirements.txt
index 8e911ef5a..33f38cca7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,8 +8,7 @@ codecov
 
 wheel
 pycparser
-setuptools
-clr-loader
+clr-loader==0.2.*
 
 # Discover libpython
-find_libpython
\ No newline at end of file
+find_libpython==0.3.*