diff --git a/src/ci/docker/host-x86_64/dist-various-2/Dockerfile b/src/ci/docker/host-x86_64/dist-various-2/Dockerfile
index 8aabfaafbab..ece5f174d06 100644
--- a/src/ci/docker/host-x86_64/dist-various-2/Dockerfile
+++ b/src/ci/docker/host-x86_64/dist-various-2/Dockerfile
@@ -56,9 +56,9 @@ ENV \
     CFLAGS_x86_64_fortanix_unknown_sgx="-D__ELF__ -isystem/usr/include/x86_64-linux-gnu -mlvi-hardening -mllvm -x86-experimental-lvi-inline-asm-hardening" \
     CXX_x86_64_fortanix_unknown_sgx=clang++-11 \
     CXXFLAGS_x86_64_fortanix_unknown_sgx="-D__ELF__ -isystem/usr/include/x86_64-linux-gnu -mlvi-hardening -mllvm -x86-experimental-lvi-inline-asm-hardening" \
-    AR_i686_unknown_freebsd=i686-unknown-freebsd13-ar \
-    CC_i686_unknown_freebsd=i686-unknown-freebsd13-clang \
-    CXX_i686_unknown_freebsd=i686-unknown-freebsd13-clang++ \
+    AR_i686_unknown_freebsd=i686-unknown-freebsd12-ar \
+    CC_i686_unknown_freebsd=i686-unknown-freebsd12-clang \
+    CXX_i686_unknown_freebsd=i686-unknown-freebsd12-clang++ \
     CC_aarch64_unknown_uefi=clang-11 \
     CXX_aarch64_unknown_uefi=clang++-11 \
     CC_i686_unknown_uefi=clang-11 \
diff --git a/src/ci/docker/host-x86_64/dist-x86_64-freebsd/Dockerfile b/src/ci/docker/host-x86_64/dist-x86_64-freebsd/Dockerfile
index fd0f5da8c49..f42e6f770eb 100644
--- a/src/ci/docker/host-x86_64/dist-x86_64-freebsd/Dockerfile
+++ b/src/ci/docker/host-x86_64/dist-x86_64-freebsd/Dockerfile
@@ -29,9 +29,9 @@ COPY scripts/cmake.sh /scripts/
 RUN /scripts/cmake.sh
 
 ENV \
-    AR_x86_64_unknown_freebsd=x86_64-unknown-freebsd13-ar \
-    CC_x86_64_unknown_freebsd=x86_64-unknown-freebsd13-clang \
-    CXX_x86_64_unknown_freebsd=x86_64-unknown-freebsd13-clang++
+    AR_x86_64_unknown_freebsd=x86_64-unknown-freebsd12-ar \
+    CC_x86_64_unknown_freebsd=x86_64-unknown-freebsd12-clang \
+    CXX_x86_64_unknown_freebsd=x86_64-unknown-freebsd12-clang++
 
 ENV HOSTS=x86_64-unknown-freebsd
 
diff --git a/src/ci/docker/scripts/freebsd-toolchain.sh b/src/ci/docker/scripts/freebsd-toolchain.sh
index 4826b81d56c..0d02636db91 100755
--- a/src/ci/docker/scripts/freebsd-toolchain.sh
+++ b/src/ci/docker/scripts/freebsd-toolchain.sh
@@ -5,8 +5,8 @@ set -eux
 
 arch=$1
 binutils_version=2.40
-freebsd_version=13.2
-triple=$arch-unknown-freebsd13
+freebsd_version=12.3
+triple=$arch-unknown-freebsd12
 sysroot=/usr/local/$triple
 
 hide_output() {
@@ -59,7 +59,7 @@ done
 
 # Originally downloaded from:
 # URL=https://download.freebsd.org/ftp/releases/${freebsd_arch}/${freebsd_version}-RELEASE/base.txz
-URL=https://ci-mirrors.rust-lang.org/rustc/2024-02-18-freebsd-${freebsd_version}-${freebsd_arch}-base.txz
+URL=https://ci-mirrors.rust-lang.org/rustc/2022-05-06-freebsd-${freebsd_version}-${freebsd_arch}-base.txz
 curl "$URL" | tar xJf - -C "$sysroot" --wildcards "${files_to_extract[@]}"
 
 # Clang can do cross-builds out of the box, if we give it the right
@@ -68,7 +68,7 @@ curl "$URL" | tar xJf - -C "$sysroot" --wildcards "${files_to_extract[@]}"
 # there might be other problems.)
 #
 # The --target option is last because the cross-build of LLVM uses
-# --target without an OS version ("-freebsd" vs. "-freebsd13").  This
+# --target without an OS version ("-freebsd" vs. "-freebsd12").  This
 # makes Clang default to libstdc++ (which no longer exists), and also
 # controls other features, like GNU-style symbol table hashing and
 # anything predicated on the version number in the __FreeBSD__
diff --git a/src/doc/rustc/src/platform-support.md b/src/doc/rustc/src/platform-support.md
index f7b8a8fc6e6..04bb40d750c 100644
--- a/src/doc/rustc/src/platform-support.md
+++ b/src/doc/rustc/src/platform-support.md
@@ -100,7 +100,7 @@ target | notes
 [`riscv64gc-unknown-linux-gnu`](platform-support/riscv64gc-unknown-linux-gnu.md) | RISC-V Linux (kernel 4.20, glibc 2.29)
 [`riscv64gc-unknown-linux-musl`](platform-support/riscv64gc-unknown-linux-musl.md) | RISC-V Linux (kernel 4.20, musl 1.2.3)
 `s390x-unknown-linux-gnu` | S390x Linux (kernel 3.2, glibc 2.17)
-`x86_64-unknown-freebsd` | 64-bit FreeBSD (version 13.2)
+`x86_64-unknown-freebsd` | 64-bit FreeBSD
 `x86_64-unknown-illumos` | illumos
 `x86_64-unknown-linux-musl` | 64-bit Linux with musl 1.2.3
 [`x86_64-unknown-netbsd`](platform-support/netbsd.md) | NetBSD/amd64
@@ -166,7 +166,7 @@ target | std | notes
 `i586-unknown-linux-musl` | ✓ | 32-bit Linux w/o SSE, musl 1.2.3 [^x86_32-floats-x87]
 [`i686-linux-android`](platform-support/android.md) | ✓ | 32-bit x86 Android [^x86_32-floats-return-ABI]
 [`i686-pc-windows-gnullvm`](platform-support/pc-windows-gnullvm.md) | ✓ | 32-bit x86 MinGW (Windows 10+), LLVM ABI [^x86_32-floats-return-ABI]
-`i686-unknown-freebsd` | ✓ | 32-bit FreeBSD (version 13.2) [^x86_32-floats-return-ABI]
+`i686-unknown-freebsd` | ✓ | 32-bit FreeBSD [^x86_32-floats-return-ABI]
 `i686-unknown-linux-musl` | ✓ | 32-bit Linux with musl 1.2.3 [^x86_32-floats-return-ABI]
 [`i686-unknown-uefi`](platform-support/unknown-uefi.md) | ? | 32-bit UEFI
 [`loongarch64-unknown-none`](platform-support/loongarch-none.md) | * | LoongArch64 Bare-metal (LP64D ABI)
@@ -258,7 +258,7 @@ target | std | host | notes
 [`aarch64-unknown-teeos`](platform-support/aarch64-unknown-teeos.md) | ? |  | ARM64 TEEOS |
 [`aarch64-unknown-nto-qnx700`](platform-support/nto-qnx.md) | ? |  | ARM64 QNX Neutrino 7.0 RTOS |
 [`aarch64-unknown-nto-qnx710`](platform-support/nto-qnx.md) | ✓ |  | ARM64 QNX Neutrino 7.1 RTOS |
-`aarch64-unknown-freebsd` | ✓ | ✓ | ARM64 FreeBSD (version 13.2)
+`aarch64-unknown-freebsd` | ✓ | ✓ | ARM64 FreeBSD
 [`aarch64-unknown-hermit`](platform-support/hermit.md) | ✓ |  | ARM64 Hermit
 `aarch64-unknown-illumos` | ✓ | ✓ | ARM64 illumos
 `aarch64-unknown-linux-gnu_ilp32` | ✓ | ✓ | ARM64 Linux (ILP32 ABI)
@@ -277,14 +277,14 @@ target | std | host | notes
 `armv4t-unknown-linux-gnueabi` | ? |  | Armv4T Linux
 [`armv5te-none-eabi`](platform-support/armv5te-none-eabi.md) | * |  | Bare Armv5TE
 `armv5te-unknown-linux-uclibceabi` | ? |  | Armv5TE Linux with uClibc
-`armv6-unknown-freebsd` | ✓ | ✓ | Armv6 FreeBSD (version 13.2)
+`armv6-unknown-freebsd` | ✓ | ✓ | Armv6 FreeBSD
 [`armv6-unknown-netbsd-eabihf`](platform-support/netbsd.md) | ✓ | ✓ | Armv6 NetBSD w/hard-float
 [`armv6k-nintendo-3ds`](platform-support/armv6k-nintendo-3ds.md) | ? |  | Armv6k Nintendo 3DS, Horizon (Requires devkitARM toolchain)
 [`armv7-rtems-eabihf`](platform-support/armv7-rtems-eabihf.md) | ? |  | RTEMS OS for ARM BSPs
 [`armv7-sony-vita-newlibeabihf`](platform-support/armv7-sony-vita-newlibeabihf.md) | ✓ |  | Armv7-A Cortex-A9 Sony PlayStation Vita (requires VITASDK toolchain)
 [`armv7-unknown-linux-uclibceabi`](platform-support/armv7-unknown-linux-uclibceabi.md) | ✓ | ✓ | Armv7-A Linux with uClibc, softfloat
 [`armv7-unknown-linux-uclibceabihf`](platform-support/armv7-unknown-linux-uclibceabihf.md) | ✓ | ? | Armv7-A Linux with uClibc, hardfloat
-`armv7-unknown-freebsd` | ✓ | ✓ | Armv7-A FreeBSD (version 13.2)
+`armv7-unknown-freebsd` | ✓ | ✓ | Armv7-A FreeBSD
 [`armv7-unknown-netbsd-eabihf`](platform-support/netbsd.md) | ✓ | ✓ | Armv7-A NetBSD w/hard-float
 [`armv7-unknown-trusty`](platform-support/trusty.md) | ? |  |
 [`armv7-wrs-vxworks-eabihf`](platform-support/vxworks.md) | ✓ |  | Armv7-A for VxWorks
@@ -343,9 +343,9 @@ target | std | host | notes
 [`powerpc-unknown-openbsd`](platform-support/powerpc-unknown-openbsd.md) | * |  |
 [`powerpc-wrs-vxworks-spe`](platform-support/vxworks.md) | ✓ |  |
 [`powerpc-wrs-vxworks`](platform-support/vxworks.md) | ✓ |  |
-`powerpc64-unknown-freebsd` | ✓ | ✓ | PPC64 FreeBSD (ELFv1 and ELFv2, version 13.2)
-`powerpc64le-unknown-freebsd` |   |   | PPC64LE FreeBSD (version 13.2)
-`powerpc-unknown-freebsd` |   |   | PowerPC FreeBSD (version 13.2)
+`powerpc64-unknown-freebsd` | ✓ | ✓ | PPC64 FreeBSD (ELFv1 and ELFv2)
+`powerpc64le-unknown-freebsd` |   |   | PPC64LE FreeBSD
+`powerpc-unknown-freebsd` |   |   | PowerPC FreeBSD
 `powerpc64-unknown-linux-musl` | ? |  | 64-bit PowerPC Linux with musl 1.2.3
 [`powerpc64-wrs-vxworks`](platform-support/vxworks.md) | ✓ |  |
 `powerpc64le-unknown-linux-musl` | ? |  | 64-bit PowerPC Linux with musl 1.2.3, Little Endian
@@ -361,7 +361,7 @@ target | std | host | notes
 [`riscv32imafc-esp-espidf`](platform-support/esp-idf.md) | ✓ |  | RISC-V ESP-IDF
 [`riscv32-wrs-vxworks`](platform-support/vxworks.md) | ✓ |  |
 [`riscv64gc-unknown-hermit`](platform-support/hermit.md) | ✓ |   | RISC-V Hermit
-`riscv64gc-unknown-freebsd` |   |   | RISC-V FreeBSD (version 13.2)
+`riscv64gc-unknown-freebsd` |   |   | RISC-V FreeBSD
 `riscv64gc-unknown-fuchsia` |   |   | RISC-V Fuchsia
 [`riscv64gc-unknown-netbsd`](platform-support/netbsd.md) | ✓ | ✓ | RISC-V NetBSD
 [`riscv64gc-unknown-openbsd`](platform-support/openbsd.md) | ✓ | ✓ | OpenBSD/riscv64