diff --git a/requirements-plc-s7.txt b/requirements-plc-s7.txt
index 954f429..69d7236 100644
--- a/requirements-plc-s7.txt
+++ b/requirements-plc-s7.txt
@@ -1,2 +1,2 @@
 # Optional dependency for the generic TIA Portal S7 adapter and emulator test.
-python-snap7==3.1.0
+python-snap7==3.1.2