diff --git a/README.md b/README.md
index 1e36bf9..1ac0b5b 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@
 
 This is a Flatpak manifest for [Cisco's Packet Tracer](https://www.netacad.com/courses/packet-tracer). The Deb package in which Cisco distributes their binary build of Packet Tracer is not included as the download link for and use of Packet Tracer itself requires a Netacad account.
 
-This is currently based on Packet Tracer 8.1.0 and is intended to track the latest release. For previous releases see [janymal/PacketTracer7-flatpak](https://github.com/janymal/PacketTracer7-flatpak) and [rpallai/flatpak-pt](https://github.com/rpallai/flatpak-pt).
+This is currently based on Packet Tracer 8.1.1 and is intended to track the latest release. For previous releases see [janymal/PacketTracer7-flatpak](https://github.com/janymal/PacketTracer7-flatpak) and [rpallai/flatpak-pt](https://github.com/rpallai/flatpak-pt).
 
 ## Building
 
diff --git a/check-updates.sh b/check-updates.sh
index 7e5be13..f18900c 100755
--- a/check-updates.sh
+++ b/check-updates.sh
@@ -6,12 +6,13 @@ set -o errexit
 set -o pipefail
 set -o nounset
 
-PREV_RELEASE="8.1.0"
+# The FAQ page says 8.1 but it's actually 8.1.1
+PREV_RELEASE="8.1"
 
 LATEST_RELEASE=$(curl --silent https://www.netacad.com/courses/packet-tracer/faq | \
-    grep --only-matching --perl-regexp "What’s new in Packet Tracer \d\.\d\.\d" | \
+    grep --only-matching --perl-regexp "What’s new in Packet Tracer (\d\.\d|\.\d)" | \
     head -1 | \
-    grep --only-matching --perl-regexp '\d\.\d\.\d')
+    grep --only-matching --perl-regexp "(\d\.\d|\.\d)")
 
 if [[ "${LATEST_RELEASE}" != "${PREV_RELEASE}" ]]; then
     echo "There's a new release of Packet Tracer."
diff --git a/com.cisco.PacketTracer.yml b/com.cisco.PacketTracer.yml
index 5df5ef3..f10b364 100644
--- a/com.cisco.PacketTracer.yml
+++ b/com.cisco.PacketTracer.yml
@@ -17,7 +17,7 @@ modules:
     buildsystem: simple
     build-commands:
       - install -D com.cisco.PacketTracer.appdata.xml /app/share/metainfo/com.cisco.PacketTracer.appdata.xml
-      - ar x CiscoPacketTracer_810_Ubuntu_64bit.deb
+      - ar x CiscoPacketTracer_811_Ubuntu_64bit.deb
       - xz -d data.tar.xz
       - tar -xf data.tar
       - find opt/pt/saves opt/pt/templates opt/pt/templates/environments -type d -exec chmod 755 {} +
@@ -30,8 +30,8 @@ modules:
 
     sources:
       - type: file
-        path: CiscoPacketTracer_810_Ubuntu_64bit.deb
-        sha256: 7dc810747d330ec33191d198dd399a8ff99bf991a10d27f335475692f2c2bcf8
+        path: CiscoPacketTracer_811_Ubuntu_64bit.deb
+        sha256: 08c53171aa0257a64ae7de1540f242214033cfa4f879fbc9fed5cc0d32232abf
       - type: file
         path: com.cisco.PacketTracer.appdata.xml
       - type: file