diff --git a/scripts/install b/scripts/install
index 1fec9a0..d1ffc86 100755
--- a/scripts/install
+++ b/scripts/install
@@ -113,7 +113,7 @@ chown -R "$app:" "$final_path"
 	source "${final_path}/venv/bin/activate"
 	set -o nounset
 	ynh_exec_as $app $final_path/venv/bin/pip install --upgrade wheel pip
-	ynh_exec_as $app $final_path/venv/bin/pip install --no-deps -r "$final_path/requirements.txt"
+	ynh_exec_as $app $final_path/venv/bin/pip install --no-deps --prefer-binary -r "$final_path/requirements.txt"
 )
 
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index 498e617..78760ee 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -96,7 +96,7 @@ python3 -m venv "${final_path}/venv"
 	source "${final_path}/venv/bin/activate"
 	set -o nounset
 	ynh_exec_as $app $final_path/venv/bin/pip install --upgrade wheel pip
-	ynh_exec_as $app $final_path/venv/bin/pip install --no-deps -r "$final_path/requirements.txt"
+	ynh_exec_as $app $final_path/venv/bin/pip install --no-deps --prefer-binary -r "$final_path/requirements.txt"
 )
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 4ecde84..8545ff7 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -97,7 +97,7 @@ chown -R "$app:" "$final_path"
 	source "${final_path}/venv/bin/activate"
 	set -o nounset
 	ynh_exec_as $app $final_path/venv/bin/pip install --upgrade wheel pip
-	ynh_exec_as $app $final_path/venv/bin/pip install --no-deps -r "$final_path/requirements.txt"
+	ynh_exec_as $app $final_path/venv/bin/pip install --no-deps --prefer-binary -r "$final_path/requirements.txt"
 )
 
 #=================================================
diff --git a/test_requirements.sh b/test_requirements.sh
index e7ececf..14b439e 100755
--- a/test_requirements.sh
+++ b/test_requirements.sh
@@ -14,4 +14,4 @@ python3 -m venv "${final_path}/venv"
 source "${final_path}/venv/bin/activate"
 
 $final_path/venv/bin/pip install --upgrade wheel pip
-$final_path/venv/bin/pip install --no-deps -r "./conf/requirements.txt"
+$final_path/venv/bin/pip install --no-deps --prefer-binary -r "./conf/requirements.txt"