diff --git a/Casks/j/j.rb b/Casks/j/j.rb
index 2c2b953fe39f9..c466a24a5f8ed 100644
--- a/Casks/j/j.rb
+++ b/Casks/j/j.rb
@@ -1,47 +1,59 @@
 cask "j" do
-  version "9.5"
+  version "9.5.2"
   sha256 "78efb1db5423939e776f0053ff074a5c641b376e0517ded04773e38c001609c5"
 
-  url "https://www.jsoftware.com/download/j#{version}/install/j#{version}_mac64.zip"
+  url "https://www.jsoftware.com/download/j#{version.major_minor}/install/j#{version}_mac64.zip"
   name "J"
   desc "Programming language for mathematical, statistical and logical analysis of data"
   homepage "https://www.jsoftware.com/"
 
   apps = %w[jbrk jcon jqt]
   apps.each do |a|
-    app "j#{version}/#{a}.app"
+    app "j#{version.major_minor}/#{a}.app"
   end
 
   livecheck do
     url "https://code.jsoftware.com/wiki/System/Installation"
-    regex(/Jv?(\d+(?:\.\d+)+)\srelease/i)
+    regex(/Jv?(\d+(?:\.\d+)+)\s+release/i)
+    strategy :page_match do |page, regex|
+      # Identify partial release version (e.g., J1.2) on installation page
+      release = page.scan(regex)
+                    .flatten
+                    .max_by { |v| Version.new(v) }
+      next if release.blank?
+
+      # Fetch the release install page (containing full versions like 1.2.3)
+      install_page = Homebrew::Livecheck::Strategy.page_content("https://www.jsoftware.com/download/j#{release}/install/")
+      install_page[:content]&.scan(/href=.*?j[._-]?v?(\d+(?:\.\d+)+)[._-]mac/i)
+                            &.map { |match| match[0] }
+    end
   end
 
-  installer script: "j#{version}/macos-fix.command"
+  installer script: "j#{version.major_minor}/macos-fix.command"
   installer script: {
-    executable: "j#{version}/bin/jconsole",
+    executable: "j#{version.major_minor}/bin/jconsole",
     args:       ["-js", "load 'pacman'", "'install' jpkg '*'", "exit 0"],
   }
 
   ["jcon", "jconsole"].each do |b|
-    binary "j#{version}/bin/jconsole", target: b
+    binary "j#{version.major_minor}/bin/jconsole", target: b
   end
   commands = ["jbrk", "jhs", "jqt"]
   commands.each do |b|
-    binary "j#{version}/bin/#{b}.command", target: b
+    binary "j#{version.major_minor}/bin/#{b}.command", target: b
   end
 
   postflight do
     # Use `readlink` to get full path of symlinked commands.
     commands.each do |c|
-      command = "#{staged_path}/j#{version}/bin/#{c}.command"
+      command = "#{staged_path}/j#{version.major_minor}/bin/#{c}.command"
       File.write command, File.read(command).gsub("$0", '$(/usr/bin/readlink "$0" || /bin/echo "$0")')
     end
 
     # Fix relative paths inside App bundles.
     apps.each do |a|
       apprun = "#{appdir}/#{a}.app/Contents/MacOS/apprun"
-      File.write apprun, File.read(apprun).gsub(%r{`dirname "\$0"`.*?/bin}, "#{staged_path}/j#{version}/bin")
+      File.write apprun, File.read(apprun).gsub(%r{`dirname "\$0"`.*?/bin}, "#{staged_path}/j#{version.major_minor}/bin")
     end
   end