diff --git a/config.guess b/config.guess
index c241765..f47d666 100755
--- a/config.guess
+++ b/config.guess
@@ -1595,6 +1595,9 @@ EOF
     *:Unleashed:*:*)
 	GUESS=$UNAME_MACHINE-unknown-unleashed$UNAME_RELEASE
 	;;
+    *:Ironclad:*:*)
+	GUESS=$UNAME_MACHINE-unknown-ironclad
+	;;
 esac
 
 # Do we have a guess based on uname results?
diff --git a/doc/config.guess.1 b/doc/config.guess.1
index 42f5f01..a8b53c3 100644
--- a/doc/config.guess.1
+++ b/doc/config.guess.1
@@ -1,5 +1,5 @@
 .\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.48.5.
-.TH CONFIG.GUESS "1" "October 2023" "GNU config.guess (2023-10-19)" "User Commands"
+.TH CONFIG.GUESS "1" "December 2023" "GNU config.guess (2023-10-19)" "User Commands"
 .SH NAME
 config.guess \- guess the build system triplet
 .SH SYNOPSIS
diff --git a/testsuite/config-guess.data b/testsuite/config-guess.data
index 1bc8c90..43e495f 100644
--- a/testsuite/config-guess.data
+++ b/testsuite/config-guess.data
@@ -149,4 +149,5 @@ x86_64 | 2.6.32 | Linux | ignored | ignored | x86_64-pc-linux-gnu
 x86_64 | 2.6.32 | VMkernel | ignored | ignored | x86_64-unknown-esx
 x86_64 | 8.0 | OS108 | ignored | ignored | x86_64-unknown-os108_8.0
 x86_64 | ignored | Managarm | ignored | ignored | x86_64-pc-managarm-mlibc
+x86_64 | ignored | Ironclad | ignored | ignored | x86_64-unknown-ironclad
 xtensa | 2.6.15 | Linux | ignored | ignored | xtensa-unknown-linux-gnu