diff --git a/lab-1/1_netmiko_lldp_neighbors_raw.py b/lab-1/1_netmiko_lldp_neighbors_raw.py
index cc82ee9..f444ce6 100644
--- a/lab-1/1_netmiko_lldp_neighbors_raw.py
+++ b/lab-1/1_netmiko_lldp_neighbors_raw.py
@@ -24,3 +24,5 @@
         f"### This is the raw output from {host}, without any parsing: ###\n",
         raw_output + "\n",
     )
+
+    connection.disconnect()
diff --git a/lab-1/2_netmiko_lldp_neighbors_textfsm.py b/lab-1/2_netmiko_lldp_neighbors_textfsm.py
index 73bd751..6070bf8 100644
--- a/lab-1/2_netmiko_lldp_neighbors_textfsm.py
+++ b/lab-1/2_netmiko_lldp_neighbors_textfsm.py
@@ -28,3 +28,5 @@
     print(f"### This is the TextFSM output from {host}, but JSON-formatted to be prettier: ###")
     print(json.dumps(textfsm_output, indent=4))  # indent for readability
     print("\n")  # Add extra space between our outputs for each host
+
+    connection.disconnect()
\ No newline at end of file
diff --git a/lab-2/3_netmiko_textfsm_update_description_to_lldp_neighbors.py b/lab-2/3_netmiko_textfsm_update_description_to_lldp_neighbors.py
index 8310b02..0d84a6e 100644
--- a/lab-2/3_netmiko_textfsm_update_description_to_lldp_neighbors.py
+++ b/lab-2/3_netmiko_textfsm_update_description_to_lldp_neighbors.py
@@ -57,9 +57,12 @@
 
         configuration = [
             f"int {my_interface}",
-            f"description -> {neighbor_name}, {neighbor_interface}"
+            f"description -> {neighbor_name}, {neighbor_interface}",
+            "commit"
         ]
 
         print(f"Before:{connection.send_command(f'show run int {my_interface}')}")
         connection.send_config_set(configuration)
         print(f"After:{connection.send_command(f'show run int {my_interface}')}")
+
+    connection.disconnect()
diff --git a/lab-2/4_netmiko_ciscoconfparse_update_helper_addrs.py b/lab-2/4_netmiko_ciscoconfparse_update_helper_addrs.py
index 43824db..1f11ae7 100644
--- a/lab-2/4_netmiko_ciscoconfparse_update_helper_addrs.py
+++ b/lab-2/4_netmiko_ciscoconfparse_update_helper_addrs.py
@@ -56,4 +56,6 @@
         connection.send_config_set(commands)
         print(f"After:{connection.send_command(f'show run {intf_name}')}")
 
+    connection.disconnect()
+
 print("Done!")