diff --git a/lang/wasi-sdk/Portfile b/lang/wasi-sdk/Portfile
index 4540eb1c760..1c6b33e686d 100644
--- a/lang/wasi-sdk/Portfile
+++ b/lang/wasi-sdk/Portfile
@@ -4,7 +4,7 @@ PortSystem          1.0
 PortGroup           cmake 1.1
 PortGroup           github 1.0
 
-github.setup        WebAssembly wasi-sdk 32 wasi-sdk-
+github.setup        WebAssembly wasi-sdk 33 wasi-sdk-
 github.tarball_from archive
 # GitHub archives extract as ${project}-${tag}/ when there are multiple distfiles
 worksrcdir          ${github.project}-${github.tag_prefix}${github.version}
@@ -54,9 +54,9 @@ if {${subport} ne ${name}} {
 
     # wasi-sdk source (primary distfile, needed by both subports)
     checksums           ${distname}${extract.suffix} \
-                        rmd160  d60ca8427ef9c7036494df9c6a8d1afc3c262381 \
-                        sha256  b1fc272ae8856a943b85736bf36c2364dddf8fdf0e3de6c262ea3ad13dcbd0d6 \
-                        size    47218
+                        rmd160  9d85e9605d8b2564f99a56ca1040363784871f3a \
+                        sha256  f6b832972313c24b0651116cb6770c8af05784c589f01ab326e8b7cd28c40be5 \
+                        size    50378
 
     # llvm-project source (needed by both subports: compiler by wasi-clang,
     # runtimes by wasi-libc for libcxx/libcxxabi/libunwind/compiler-rt)
@@ -125,7 +125,7 @@ if {${subport} eq "wasi-libc"} {
                     use with the wasi-clang compiler toolchain.
 
     set wasi_libc_commit \
-                    2fc32bc81b9f07f8d9525edea59bfbaf760c06d6
+                    161b3195fc2558d2b1ba3eb9ffae3b2b47407623
 
     master_sites-append \
                     https://github.com/WebAssembly/wasi-libc/archive/:wasi_libc_src
@@ -133,9 +133,9 @@ if {${subport} eq "wasi-libc"} {
                     ${wasi_libc_commit}.tar.gz:wasi_libc_src
     checksums-append \
                     ${wasi_libc_commit}.tar.gz \
-                    rmd160  feba62db942d779f050e9a46f32052348dfa3819 \
-                    sha256  d12a1568d9394e693e6b189277ba70446f96b81a4790c515427865a0d5412372 \
-                    size    1636483
+                    rmd160  c5124d44e1c824d0d60f573b01e5aa59897e5298 \
+                    sha256  3bc20d349e6f9fbc4602fb29c80706a25b2875569c3320b11f7f4cf291903f9c \
+                    size    1657525
 
     depends_lib-append \
                     port:wasi-clang
diff --git a/lang/wasi-sdk/files/patch-cmake-wasi-sdk-sysroot.diff b/lang/wasi-sdk/files/patch-cmake-wasi-sdk-sysroot.diff
index 01a7f133a22..52268caff8f 100644
--- a/lang/wasi-sdk/files/patch-cmake-wasi-sdk-sysroot.diff
+++ b/lang/wasi-sdk/files/patch-cmake-wasi-sdk-sysroot.diff
@@ -1,7 +1,7 @@
---- cmake/wasi-sdk-sysroot.cmake.orig
-+++ cmake/wasi-sdk-sysroot.cmake
-@@ -329,10 +329,10 @@
-     USES_TERMINAL_INSTALL ON
+--- cmake/wasi-sdk-sysroot.cmake.orig	2026-05-01 22:25:57
++++ cmake/wasi-sdk-sysroot.cmake	2026-05-01 22:26:02
+@@ -354,13 +354,13 @@
+     USES_TERMINAL_PATCH ON
      PATCH_COMMAND
        ${CMAKE_COMMAND} -E chdir .. bash -c
 -        "git apply ${CMAKE_SOURCE_DIR}/src/llvm-pr-168449.patch || git apply ${CMAKE_SOURCE_DIR}/src/llvm-pr-168449.patch -R --check"
@@ -10,5 +10,10 @@
        ${CMAKE_COMMAND} -E chdir .. bash -c
 -        "git apply ${CMAKE_SOURCE_DIR}/src/llvm-pr-186054.patch || git apply ${CMAKE_SOURCE_DIR}/src/llvm-pr-186054.patch -R --check"
 +        "patch -N -p1 < ${CMAKE_SOURCE_DIR}/src/llvm-pr-186054.patch || true"
+     COMMAND
+       ${CMAKE_COMMAND} -E chdir .. bash -c
+-        "git apply ${CMAKE_SOURCE_DIR}/src/llvm-pr-185770.patch || git apply ${CMAKE_SOURCE_DIR}/src/llvm-pr-185770.patch -R --check"
++        "patch -N -p1 < ${CMAKE_SOURCE_DIR}/src/llvm-pr-185770.patch || true"
    )
+   add_dependencies(libcxx-${target} libcxx-${target}${target_suffix}-build)
  endfunction()