diff --git a/Formula/i386-elf-binutils.rb b/Formula/i386-elf-binutils.rb
index 597b54b..dc5b2d1 100644
--- a/Formula/i386-elf-binutils.rb
+++ b/Formula/i386-elf-binutils.rb
@@ -1,9 +1,11 @@
 class I386ElfBinutils < Formula
   desc "GNU Binutils targetting i386-elf"
   homepage "https://www.gnu.org/software/binutils/"
-  url "https://sourceware.org/pub/binutils/releases/binutils-2.37.tar.xz"
-  sha256 "820d9724f020a3e69cb337893a0b63c2db161dadcb0e06fc11dc29eb1e84a32c"
-  revision 2
+  url "https://sourceware.org/pub/binutils/releases/binutils-2.42.tar.xz"
+  sha256 "f6e4d41fd5fc778b06b7891457b3620da5ecea1006c6a4a41ae998109f85a800"
+  revision 1
+
+  depends_on "texinfo" => :build
 
   def install
     mkdir "binutils-build" do
@@ -11,13 +13,21 @@ def install
                              "--target=i386-elf",
                              "--disable-multilib",
                              "--disable-nls",
-                             "--disable-werror"
+                             "--disable-werror",
+                             "--enable-interwork"
       system "make"
       system "make", "install"
     end
   end
 
   test do
-    system "#{bin}/i386-elf-as", "--version"
+    (testpath/"program.S").write <<~DATA
+    .text
+    example:
+        movl 0x80, %eax
+        movl 0x40, %ebx     
+    DATA
+    system "#{bin}/i386-elf-as", "program.S"
+    assert_match "file format elf32-i386", shell_output("#{bin}/i386-elf-objdump -D a.out")
   end
 end
diff --git a/Formula/i386-elf-gcc.rb b/Formula/i386-elf-gcc.rb
index 77934c2..60a5c65 100644
--- a/Formula/i386-elf-gcc.rb
+++ b/Formula/i386-elf-gcc.rb
@@ -35,7 +35,13 @@ def install
   end
 
   test do
-    # should try to compile something?
-    system "#{bin}/i386-elf-gcc", "--version"
+    (testpath/"program.c").write <<~DATA
+    int sum(int a, int b) {
+      return a + b;
+    }
+    DATA
+    system "#{bin}/i386-elf-gcc", "-c", "program.c"
+    binutils = Formula["nativeos/i386-elf-toolchain/i386-elf-binutils"].prefix
+    assert_match "file format elf32-i386", shell_output("#{binutils}/bin/i386-elf-objdump -D program.o")
   end
 end
diff --git a/README.md b/README.md
index c3d176b..cf99198 100644
--- a/README.md
+++ b/README.md
@@ -22,10 +22,10 @@ Default version is marked in bold. For older versions, you must use the
 @.
 
 -   i386-elf-binutils
-    -   **2.37 (`nativeos/i386-elf-toolchain/i386-elf-binutils`)**
+    -   **2.42 (`nativeos/i386-elf-toolchain/i386-elf-binutils`)**
     -   2.36.1 (`nativeos/i386-elf-toolchain/i386-elf-binutils@2.36.1`)
 -   i386-elf-gcc
-    -   **12.2.0 (`nativeos/i386-elf-toolchain/i386-elf-gcc`)**
+    -   **14.1.0 (`nativeos/i386-elf-toolchain/i386-elf-gcc`)**
     -   11.2.0 (`nativeos/i386-elf-toolchain/i386-elf-gcc@11.2`).
     -   11.1.0 (`nativeos/i386-elf-toolchain/i386-elf-gcc@11.1`).
 -   i386-elf-gdb