diff --git a/docs/packages/mjml-python.yaml b/docs/packages/mjml-python.yaml
index 980f37961ed..38f459dc9bc 100644
--- a/docs/packages/mjml-python.yaml
+++ b/docs/packages/mjml-python.yaml
@@ -9,3 +9,4 @@ versions:
   - filename: mjml_python-1.4.1-cp314-cp314t-manylinux_2_34_riscv64.manylinux_2_39_riscv64.whl
     sha256: c6600b16067086ed215ef5215136aba0277264e88115a0752904af9b05599897
     requires-python: '>=3.8'
+- version: 1.4.2
diff --git a/patches/mjml-python/1.4.2/0001-Cargo-bump-abi3-floor-to-py39.patch b/patches/mjml-python/1.4.2/0001-Cargo-bump-abi3-floor-to-py39.patch
new file mode 100644
index 00000000000..b9130192756
--- /dev/null
+++ b/patches/mjml-python/1.4.2/0001-Cargo-bump-abi3-floor-to-py39.patch
@@ -0,0 +1,32 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Ludovic Henry <git@ludovic.dev>
+Date: Fri, 25 Sep 2026 00:00:00 +0000
+Subject: [PATCH] Cargo: bump abi3 floor to py39
+
+Upstream-Status: Inappropriate [manylinux_2_39_riscv64 ships no cp38 interpreter]
+
+The riscv64 manylinux image's oldest available CPython is cp39 (no cp38),
+so a wheel built here and tagged cp38-abi3 (this crate's abi3-py38
+feature) would never actually be compiled or tested against its own
+declared floor -- gotcha 96. Bump the pyo3 abi3 feature to abi3-py39 to
+make the riscv64 wheel's tag match the oldest interpreter this repo can
+build and test it on; every other platform's wheel is unaffected.
+
+Signed-off-by: Ludovic Henry <git@ludovic.dev>
+---
+ Cargo.toml | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/Cargo.toml b/Cargo.toml
+index c79c96a..e52002a 100644
+--- a/Cargo.toml
++++ b/Cargo.toml
+@@ -10,4 +10,4 @@ crate-type = ["cdylib"]
+ 
+ [dependencies]
+ mrml = { version = "6.0.0" }
+-pyo3 = { version = "~0.29.0", features = ["abi3-py38", "extension-module"] }
++pyo3 = { version = "~0.29.0", features = ["abi3-py39", "extension-module"] }
+-- 
+2.43.0
+