diff --git a/.github/workflows/cygwin.yml b/.github/workflows/cygwin.yml
index 9a77cad1a..e62c745af 100644
--- a/.github/workflows/cygwin.yml
+++ b/.github/workflows/cygwin.yml
@@ -76,7 +76,8 @@ jobs:
       - name: Run pip
         run: |
           export PATH=/usr/bin:/usr/local/bin:$(cygpath ${SYSTEMROOT})/system32
-          python3 -m pip --disable-pip-version-check install gcovr jsonschema pefile pytest pytest-subtests pytest-xdist coverage
+          # jsonschema is max capped because the new version depends on rust dependencies which are... hard to get on cygwin
+          python3 -m pip --disable-pip-version-check install gcovr 'jsonschema<4.18' pefile pytest pytest-subtests pytest-xdist coverage
         shell: C:\cygwin\bin\bash.exe --noprofile --norc -o igncr -eo pipefail '{0}'
 
       - uses: actions/cache/save@v3
diff --git a/.github/workflows/msys2.yml b/.github/workflows/msys2.yml
index 7f6d39e9b..8f1823d70 100644
--- a/.github/workflows/msys2.yml
+++ b/.github/workflows/msys2.yml
@@ -83,11 +83,12 @@ jobs:
             mingw-w64-${{ matrix.MSYS2_ARCH }}-python-lxml
             mingw-w64-${{ matrix.MSYS2_ARCH }}-python-setuptools
             mingw-w64-${{ matrix.MSYS2_ARCH }}-python-pip
+            mingw-w64-${{ matrix.MSYS2_ARCH }}-python-jsonschema
             mingw-w64-${{ matrix.MSYS2_ARCH }}-${{ matrix.TOOLCHAIN }}
 
       - name: Install dependencies
         run: |
-          python3 -m pip --disable-pip-version-check install gcovr jsonschema pefile pytest pytest-subtests pytest-xdist coverage
+          python3 -m pip --disable-pip-version-check install gcovr pefile pytest pytest-subtests pytest-xdist coverage
 
       - name: Install pypy3 on x86_64
         run: |