diff --git a/pyproject.toml b/pyproject.toml
index 377cb3bbf..0380ad8ec 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,7 +28,7 @@ dependencies = [
     "autobahn[serialization]",
     "numpy",
     "ocs>=0.10.0",
-    "pyasn1==0.4.8",
+    "pyasn1==0.6.3",
     "pyModbusTCP",
     "pyserial",
     "pysmi",
diff --git a/requirements.txt b/requirements.txt
index a0df3840c..491aafd6b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ twisted
 pyserial
 pysnmp==4.4.12
 pysmi
-pyasn1==0.4.8
+pyasn1==0.6.3
 
 # common dependencies - used by multiple agents
 numpy