diff --git a/.github/workflows/reusable-wasi.yml b/.github/workflows/reusable-wasi.yml
index 3c81f6ef82dc8c..68c5ef14cfe212 100644
--- a/.github/workflows/reusable-wasi.yml
+++ b/.github/workflows/reusable-wasi.yml
@@ -13,7 +13,7 @@ jobs:
     timeout-minutes: 60
     env:
       WASMTIME_VERSION: 38.0.3
-      WASI_SDK_VERSION: 29
+      WASI_SDK_VERSION: 30
       WASI_SDK_PATH: /opt/wasi-sdk
       CROSS_BUILD_PYTHON: cross-build/build
       CROSS_BUILD_WASI: cross-build/wasm32-wasip1
diff --git a/Misc/NEWS.d/next/Build/2026-02-10-16-59-56.gh-issue-144675.Wrf3Es.rst b/Misc/NEWS.d/next/Build/2026-02-10-16-59-56.gh-issue-144675.Wrf3Es.rst
new file mode 100644
index 00000000000000..1018ed95a2af77
--- /dev/null
+++ b/Misc/NEWS.d/next/Build/2026-02-10-16-59-56.gh-issue-144675.Wrf3Es.rst
@@ -0,0 +1 @@
+Update to WASI SDK 30.
diff --git a/Platforms/WASI/config.toml b/Platforms/WASI/config.toml
index 7ca2f76f56dc7a..2f7a87decd6212 100644
--- a/Platforms/WASI/config.toml
+++ b/Platforms/WASI/config.toml
@@ -2,5 +2,5 @@
 # This allows for blanket copying of the WASI build code between supported
 # Python versions.
 [targets]
-wasi-sdk = 29
+wasi-sdk = 30
 host-triple = "wasm32-wasip1"