diff --git a/requirements-2.10.txt b/requirements-2.10.txt
index 5fcbf8048..a320942a7 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 5d535be65..475fde28e 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 884c1e381..99c9b8f8f 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