diff --git a/src/freedombone-app-matrix b/src/freedombone-app-matrix
index 8e2dc23a45a85f215f38747321ab7a0b935df144..1fdd98311a0354506ba9c1417868d3c88726cb6a 100755
--- a/src/freedombone-app-matrix
+++ b/src/freedombone-app-matrix
@@ -719,6 +719,7 @@ function upgrade_matrix {
     $MATRIX_PIP install --upgrade --force "psutil>=2.0.0"
     $MATRIX_PIP install --upgrade --force "prometheus_client>=0.0.18,<0.4.0"
     $MATRIX_PIP install --upgrade --force "pymacaroons>=0.13.0" "msgpack>=0.5.0"
+    $MATRIX_PIP install --upgrade --force 'urllib3<1.25'
 
     echo 'Upgrading Matrix/Synapse. This may take a long time.'
     $MATRIX_PIP install --upgrade --process-dependency-links .
@@ -1193,6 +1194,10 @@ function install_matrix {
 
     increment_app_install_progress
 
+    $MATRIX_PIP install --upgrade --force 'urllib3<1.25'
+
+    increment_app_install_progress
+
     if [[ "$ONION_ONLY" == 'no' ]]; then
         sed -i "s|server_name: .*|server_name: \"${MATRIX_DOMAIN_NAME}\"|g" "${MATRIX_DATA_DIR}/homeserver.yaml"
     else