diff --git a/requirements-dev.txt b/requirements-dev.txt
index b758140..11a834c 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -44,5 +44,5 @@
     # via
     #   -r https://osm.etsi.org/gitweb/?p=osm/common.git;a=blob_plain;f=requirements.txt;hb=paas
     #   motor
-pyyaml==5.3.1
+pyyaml==6.0.1
     # via -r https://osm.etsi.org/gitweb/?p=osm/common.git;a=blob_plain;f=requirements.txt;hb=paas
diff --git a/requirements.in b/requirements.in
index 9110808..71f1f9a 100755
--- a/requirements.in
+++ b/requirements.in
@@ -15,6 +15,6 @@
 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 # License for the specific language governing permissions and limitations
 # under the License.
-pyyaml==5.3.1
+pyyaml>6
 pymzn==0.18.*
 jinja2
diff --git a/requirements.txt b/requirements.txt
index 6907cea..db77ca5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,5 +20,5 @@
     # via jinja2
 pymzn==0.18.3
     # via -r requirements.in
-pyyaml==5.3.1
+pyyaml==6.0.1
     # via -r requirements.in