diff --git a/.github/workflows/windows_tests.yaml b/.github/workflows/windows_tests.yaml
index 5cea85290..e15714721 100644
--- a/.github/workflows/windows_tests.yaml
+++ b/.github/workflows/windows_tests.yaml
@@ -160,7 +160,8 @@ jobs:
           # required by Sphinx 7.4 on Python < 3.11)
           # precise liblapack0 package needed by R package (missing dependency
           # since R-4.2.1-1)
-          packages: make sed git autoconf automake libtool tcl dejagnu python39 python39-docutils=0.18.1-1 python39-sphinx python39-tomli gzip ruby zsh tcsh mksh fish cmake R liblapack0 tcl-devel gcc-core curl python39-sphinxcontrib-applehelp python39-sphinxcontrib-devhelp python39-sphinxcontrib-htmlhelp python39-sphinxcontrib-jsmath python39-sphinxcontrib-qthelp python39-sphinxcontrib-serializinghtml python39-sphinxcontrib-websupport python39-alabaster python39-sqlalchemy
+          # pin libuv1 as cmake execute_process hangs with libuv 1.53.0
+          packages: make sed git autoconf automake libtool tcl dejagnu python39 python39-docutils=0.18.1-1 python39-sphinx python39-tomli gzip ruby zsh tcsh mksh fish cmake libuv1=1.52.1-1 R liblapack0 tcl-devel gcc-core curl python39-sphinxcontrib-applehelp python39-sphinxcontrib-devhelp python39-sphinxcontrib-htmlhelp python39-sphinxcontrib-jsmath python39-sphinxcontrib-qthelp python39-sphinxcontrib-serializinghtml python39-sphinxcontrib-websupport python39-alabaster python39-sqlalchemy
       - name: Configure Git safe.directory
         run: |
           bash -lc 'git config --global --add safe.directory $(cygpath -u "$GITHUB_WORKSPACE")'
@@ -204,7 +205,9 @@ jobs:
       - name: Install system packages
         shell: msys2 {0}
         run: |
-          pacman --noconfirm --noprogressbar -S tcl tcl-devel dejagnu python ruby cmake zsh tcsh mksh fish gcc autoconf make git curl gzip
+          pacman --noconfirm --noprogressbar -S tcl tcl-devel dejagnu python ruby cmake zsh tcsh fish gcc autoconf make git curl gzip
+          # downgrade libuv as cmake execute_process hangs with libuv 1.53.0
+          pacman --noconfirm --noprogressbar -U https://repo.msys2.org/msys/x86_64/libuv-1.52.1-1-x86_64.pkg.tar.zst
       - name: Build Modules
         shell: msys2 {0}
         run: |
diff --git a/.hunspell.en.dic b/.hunspell.en.dic
index a2bcb1154..d4180db77 100644
--- a/.hunspell.en.dic
+++ b/.hunspell.en.dic
@@ -565,6 +565,8 @@ libg
 libl
 libtclenvmodules
 libtclxX
+libuv
+libuv1
 licensefile
 linalg
 lineno
@@ -702,6 +704,7 @@ othervalue
 othervar
 oxymoronic
 packagename
+pacman
 parsable
 parseCollectionContent
 parseDateTimeArg