diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 27ca76e4..2b450fe4 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -132,7 +132,7 @@ jobs:
           # charset-normalizer was somehow incomplete in the github runner
           "${{ env.PYTHON }}" -m venv venv
           source venv/bin/activate
-          "${{ env.PYTHON }}" -m pip install --upgrade pip PyGObject charset-normalizer
+          "${{ env.PYTHON }}" -m pip install --upgrade pip "PyGObject<3.51.0" charset-normalizer
           python setup.py build_exe --yes bdist_appimage --yes
           echo -e "setup.py build output:\n `ls build`"
           echo -e "setup.py dist output:\n `ls dist`"
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index aec4f909..f12e8fb8 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -64,7 +64,7 @@ jobs:
           # charset-normalizer was somehow incomplete in the github runner
           "${{ env.PYTHON }}" -m venv venv
           source venv/bin/activate
-          "${{ env.PYTHON }}" -m pip install --upgrade pip PyGObject charset-normalizer
+          "${{ env.PYTHON }}" -m pip install --upgrade pip "PyGObject<3.51.0" charset-normalizer
           python setup.py build_exe --yes bdist_appimage --yes
           echo -e "setup.py build output:\n `ls build`"
           echo -e "setup.py dist output:\n `ls dist`"