diff --git a/requirements.in b/requirements.in
index 0b56729..ea5adec 100644
--- a/requirements.in
+++ b/requirements.in
@@ -25,12 +25,15 @@
 prometheus-api-client
 prometheus-client
 python-ceilometerclient
-python-keystoneclient
-python-neutronclient
-python-novaclient
-python-cinderclient
+python-keystoneclient==4.5.0
+python-neutronclient==7.8.0
+python-novaclient==18.0.0
+python-cinderclient==8.3.0
 pyvcloud==23.0.*
 pyyaml==5.4.1
-requests
+requests==2.28.1
 six
-certifi==2022.9.24
\ No newline at end of file
+certifi==2022.9.24
+cffi==1.15.1
+charset-normalizer==2.1.1
+cryptography==38.0.1
\ No newline at end of file