diff --git a/requirements-dev.txt b/requirements-dev.txt
index 46fdb1fe32800b96a5b6d68174e9afcd617e44e8..9f8bd6dd7134877488353d70dac99204608d2469 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -44,5 +44,5 @@ pymongo==4.3.3
     # via
     #   -r https://osm.etsi.org/gitweb/?p=osm/common.git;a=blob_plain;f=requirements.txt;hb=master
     #   motor
-pyyaml==5.4.1
+pyyaml==6.0.1
     # via -r https://osm.etsi.org/gitweb/?p=osm/common.git;a=blob_plain;f=requirements.txt;hb=master
diff --git a/requirements.in b/requirements.in
index e76dad132e32ad7f8dc21c985f827c364448b8e3..71f1f9a0c4dd71c53df5608b0caa87da1de91ef1 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==5.4.1
+pyyaml>6
 pymzn==0.18.*
 jinja2
diff --git a/requirements.txt b/requirements.txt
index a1c92416abb6313d95eed086e2c79b58197b0e7e..db77ca5fe0a46061cfc1b8efa0a58bbb3680b953 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,5 +20,5 @@ markupsafe==2.1.2
     # via jinja2
 pymzn==0.18.3
     # via -r requirements.in
-pyyaml==5.4.1
+pyyaml==6.0.1
     # via -r requirements.in