diff --git a/lib/msf/util/payload_cached_size.rb b/lib/msf/util/payload_cached_size.rb
index f4e0a4e7fa..01bb4b4a34 100644
--- a/lib/msf/util/payload_cached_size.rb
+++ b/lib/msf/util/payload_cached_size.rb
@@ -27,6 +27,7 @@ class PayloadCachedSize
       'RC4PASSWORD' => 'Metasploit',
       'DNSZONE' => 'corelan.eu',
       'PEXEC' => '/bin/sh',
+      'HttpUserAgent' => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:94.0) Gecko/20100101 Firefox/94.0',
       'StagerURILength' => 5
     },
     'Encoder'     => nil,
diff --git a/modules/payloads/singles/python/meterpreter_reverse_http.rb b/modules/payloads/singles/python/meterpreter_reverse_http.rb
index 19a5d7ef77..3326bf28c6 100644
--- a/modules/payloads/singles/python/meterpreter_reverse_http.rb
+++ b/modules/payloads/singles/python/meterpreter_reverse_http.rb
@@ -6,7 +6,7 @@
 
 module MetasploitModule
 
-  CachedSize = 115269
+  CachedSize = 115293
 
   include Msf::Payload::Single
   include Msf::Payload::Python
diff --git a/modules/payloads/singles/python/meterpreter_reverse_https.rb b/modules/payloads/singles/python/meterpreter_reverse_https.rb
index 48a63b1790..31038c9f9f 100644
--- a/modules/payloads/singles/python/meterpreter_reverse_https.rb
+++ b/modules/payloads/singles/python/meterpreter_reverse_https.rb
@@ -6,7 +6,7 @@
 
 module MetasploitModule
 
-  CachedSize = 115273
+  CachedSize = 115293
 
   include Msf::Payload::Single
   include Msf::Payload::Python
diff --git a/modules/payloads/stagers/java/reverse_http.rb b/modules/payloads/stagers/java/reverse_http.rb
index e584943aac..ada85af505 100644
--- a/modules/payloads/stagers/java/reverse_http.rb
+++ b/modules/payloads/stagers/java/reverse_http.rb
@@ -5,7 +5,7 @@
 
 module MetasploitModule
 
-  CachedSize = 5345
+  CachedSize = 5356
 
   include Msf::Payload::Stager
   include Msf::Payload::Java
diff --git a/modules/payloads/stagers/java/reverse_https.rb b/modules/payloads/stagers/java/reverse_https.rb
index cc0a33ca5c..005f831727 100644
--- a/modules/payloads/stagers/java/reverse_https.rb
+++ b/modules/payloads/stagers/java/reverse_https.rb
@@ -5,7 +5,7 @@
 
 module MetasploitModule
 
-  CachedSize = 6154
+  CachedSize = 6165
 
   include Msf::Payload::Stager
   include Msf::Payload::Java
diff --git a/modules/payloads/stagers/python/reverse_http.rb b/modules/payloads/stagers/python/reverse_http.rb
index 56bde1eb70..236c82dd02 100644
--- a/modules/payloads/stagers/python/reverse_http.rb
+++ b/modules/payloads/stagers/python/reverse_http.rb
@@ -5,7 +5,7 @@
 
 module MetasploitModule
 
-  CachedSize = 569
+  CachedSize = 593
 
   include Msf::Payload::Stager
   include Msf::Payload::Python
diff --git a/modules/payloads/stagers/python/reverse_https.rb b/modules/payloads/stagers/python/reverse_https.rb
index f607f4ed6f..9cffea3543 100644
--- a/modules/payloads/stagers/python/reverse_https.rb
+++ b/modules/payloads/stagers/python/reverse_https.rb
@@ -5,7 +5,7 @@
 
 module MetasploitModule
 
-  CachedSize = 841
+  CachedSize = 865
 
   include Msf::Payload::Stager
   include Msf::Payload::Python
diff --git a/modules/payloads/stagers/windows/reverse_http.rb b/modules/payloads/stagers/windows/reverse_http.rb
index 2b6077f1c2..02062670bd 100644
--- a/modules/payloads/stagers/windows/reverse_http.rb
+++ b/modules/payloads/stagers/windows/reverse_http.rb
@@ -5,7 +5,7 @@
 
 module MetasploitModule
 
-  CachedSize = 427
+  CachedSize = 444
 
   include Msf::Payload::Stager
   include Msf::Payload::Windows
diff --git a/modules/payloads/stagers/windows/reverse_https.rb b/modules/payloads/stagers/windows/reverse_https.rb
index bddb60e160..998cb8eef3 100644
--- a/modules/payloads/stagers/windows/reverse_https.rb
+++ b/modules/payloads/stagers/windows/reverse_https.rb
@@ -5,7 +5,7 @@
 
 module MetasploitModule
 
-  CachedSize = 447
+  CachedSize = 464
 
   include Msf::Payload::Stager
   include Msf::Payload::Windows
diff --git a/spec/support/shared/examples/payload_cached_size_is_consistent.rb b/spec/support/shared/examples/payload_cached_size_is_consistent.rb
index e13afa17ed..a01f47e6c6 100644
--- a/spec/support/shared/examples/payload_cached_size_is_consistent.rb
+++ b/spec/support/shared/examples/payload_cached_size_is_consistent.rb
@@ -102,6 +102,7 @@ RSpec.shared_examples_for 'payload cached size is consistent' do |options|
       'RC4PASSWORD' => 'Metasploit',
       'DNSZONE' => 'corelan.eu',
       'PEXEC' => '/bin/sh',
+      'HttpUserAgent' => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:94.0) Gecko/20100101 Firefox/94.0',
       'StagerURILength' => 5
     },
     'Encoder'     => nil,
@@ -124,6 +125,7 @@ RSpec.shared_examples_for 'payload cached size is consistent' do |options|
           'RC4PASSWORD' => 'Metasploit',
           'DNSZONE' => 'corelan.eu',
           'PEXEC' => '/bin/sh',
+          'HttpUserAgent' => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:94.0) Gecko/20100101 Firefox/94.0',
           'StagerURILength' => 5
       },
       'Encoder'     => nil,