diff --git a/requirements-2.10.txt b/requirements-2.10.txt
index 5fcbf80485805e68e64e15b58dd3913f4b0261a6..a320942a7e8a86d83914d93f97bdd169f0c78f79 100644
--- a/requirements-2.10.txt
+++ b/requirements-2.10.txt
@@ -6,5 +6,5 @@ netaddr==0.7.19
 pbr==5.4.4
 jmespath==0.9.5
 ruamel.yaml==0.16.10
-ruamel.yaml.clib==0.2.4
+ruamel.yaml.clib==0.2.6
 MarkupSafe==1.1.1
diff --git a/requirements-2.11.txt b/requirements-2.11.txt
index 5d535be6555b946ef7335a3f26668aad677a24a5..475fde28eb6c514ab00a85a5013f2893db4c8396 100644
--- a/requirements-2.11.txt
+++ b/requirements-2.11.txt
@@ -6,5 +6,5 @@ netaddr==0.7.19
 pbr==5.4.4
 jmespath==0.9.5
 ruamel.yaml==0.16.10
-ruamel.yaml.clib==0.2.4
+ruamel.yaml.clib==0.2.6
 MarkupSafe==1.1.1
diff --git a/requirements-2.9.txt b/requirements-2.9.txt
index 884c1e381227e7c8323a90bd64d17be8e9aa08ab..99c9b8f8fde1e6c9bacd4bafba1ae88b8293d3e4 100644
--- a/requirements-2.9.txt
+++ b/requirements-2.9.txt
@@ -4,6 +4,6 @@ netaddr==0.7.19
 pbr==5.4.4
 jmespath==0.9.5
 ruamel.yaml==0.16.10
-ruamel.yaml.clib==0.2.4 ; python_version >= '3.5'
+ruamel.yaml.clib==0.2.6 ; python_version >= '3.5'
 ruamel.yaml.clib==0.2.2 ; python_version < '3.5'
 MarkupSafe==1.1.1