diff --git a/Casks/a/arm-performance-libraries.rb b/Casks/a/arm-performance-libraries.rb
index 36760d52292de..7e327451a5845 100644
--- a/Casks/a/arm-performance-libraries.rb
+++ b/Casks/a/arm-performance-libraries.rb
@@ -3,7 +3,8 @@
   install_suffix="#{version}_flang-20"
   sha256 "f6f69249933e78153bbe31ef9649c8c7cd003a1f4823c252634209f74f62a28c"
 
-  url "https://developer.arm.com/-/cdn-downloads/permalink/Arm-Performance-Libraries/Version_#{version}/arm-performance-libraries_#{version}_macOS.tgz"
+  url "https://developer.arm.com/-/cdn-downloads/permalink/Arm-Performance-Libraries/Version_#{version}/arm-performance-libraries_#{version}_macOS.tgz",
+      user_agent: "curl/8.7.1"
   name "Arm Performance Libraries"
   desc "Optimized standard core math libraries for Arm processors"
   homepage "https://developer.arm.com/downloads/-/arm-performance-libraries"
diff --git a/Casks/g/gcc-aarch64-embedded.rb b/Casks/g/gcc-aarch64-embedded.rb
index f237143409585..c623af72780c9 100644
--- a/Casks/g/gcc-aarch64-embedded.rb
+++ b/Casks/g/gcc-aarch64-embedded.rb
@@ -25,7 +25,8 @@
     end
   end
 
-  url "https://developer.arm.com/-/media/Files/downloads/gnu/#{version}/binrel/arm-gnu-toolchain-#{version}-darwin-#{arch}-aarch64-none-elf.pkg"
+  url "https://developer.arm.com/-/media/Files/downloads/gnu/#{version}/binrel/arm-gnu-toolchain-#{version}-darwin-#{arch}-aarch64-none-elf.pkg",
+      user_agent: "curl/8.7.1"
   name "GCC ARM Embedded"
   desc "Pre-built GNU bare-metal toolchain for 64-bit Arm processors"
   homepage "https://developer.arm.com/Tools%20and%20Software/GNU%20Toolchain"