diff --git a/requirements-dev.txt b/requirements-dev.txt
index fdf39d4..45195ee 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -16,7 +16,7 @@
 #######################################################################################
 aiokafka==0.12.0
     # via -r https://osm.etsi.org/gitweb/?p=osm/common.git;a=blob_plain;f=requirements.txt;hb=master
-async-timeout==5.0.1
+async-timeout==4.0.3
     # via
     #   -r https://osm.etsi.org/gitweb/?p=osm/common.git;a=blob_plain;f=requirements.txt;hb=master
     #   aiokafka
diff --git a/requirements.in b/requirements.in
index 4e26900..d62276a 100644
--- a/requirements.in
+++ b/requirements.in
@@ -11,6 +11,8 @@
 #     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 #     See the License for the specific language governing permissions and
 #     limitations under the License.
+
+async-timeout==4.0.3
 charset-normalizer
 google-auth<2.18.0
 juju==2.9.44.0
diff --git a/requirements.txt b/requirements.txt
index d22fe95..cdb9420 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,8 +14,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #######################################################################################
-async-timeout==5.0.1
-    # via retrying-async
+async-timeout==4.0.3
+    # via
+    #   -r requirements.in
+    #   retrying-async
 bcrypt==4.2.1
     # via paramiko
 cachetools==5.5.0