diff --git a/Casks/p/picoscope.rb b/Casks/p/picoscope.rb
index 6b62fbdb77..99cb893127 100644
--- a/Casks/p/picoscope.rb
+++ b/Casks/p/picoscope.rb
@@ -1,21 +1,21 @@
 cask "picoscope" do
-  version "7.1.19.17687"
-  sha256 "e3b298207fd4ea046491a2c0b34bb5a6a9d5f291f83dc2690bcecbfa441ab828"
+  version "7.1.21.18179"
+  sha256 "aaab107b5b02ecab423e636bf5045f32c0931f1beddb6ff71a5f8bd1d851a47f"
 
-  url "https://www.picotech.com/download/software/sr/PicoScope_#{version.major}_TandM_#{version}.pkg"
+  url "https://www.picotech.com/download/software/sr/PicoScope_#{version}_TandM_Stable.pkg"
   name "PicoScope"
   desc "Test and measurement oscilloscope software for PicoScope oscilloscops"
   homepage "https://www.picotech.com/"
 
   livecheck do
     url "https://www.picotech.com/downloads/_lightbox/picoscope-#{version.major}-stable-for-macos"
-    regex(%r{href=.*?/PicoScope[._-]#{version.major}[._-]T(?:and|n)M[._-]v?(\d+(?:.\d+)+)\.pkg}i)
+    regex(%r{href=.*?/PicoScope[._-]v?(\d+(?:.\d+)+)[._-]T(?:and|n)M[._-]Stable\.pkg}i)
   end
 
   conflicts_with cask: "picoscope-beta"
   depends_on macos: ">= :high_sierra"
 
-  pkg "PicoScope_#{version.major}_TandM_#{version}.pkg"
+  pkg "PicoScope_#{version}_TandM_Stable.pkg"
 
   uninstall pkgutil: "com.picotech.picoscope#{version.major}tnm"