diff --git a/.github/workflows/houdini.yml b/.github/workflows/houdini.yml
index 84b0ca4f35..8252cf5473 100644
--- a/.github/workflows/houdini.yml
+++ b/.github/workflows/houdini.yml
@@ -160,6 +160,12 @@ jobs:
         cd $HOME/houdini_install && tar -xzf hou.tar.gz && cd -
     - name: install_deps
       run: |
+        # Remove Python3 symlinks in /usr/local/bin as workaround to brew update issues
+        # https://github.com/actions/setup-python/issues/577
+        rm /usr/local/bin/2to3* || :
+        rm /usr/local/bin/idle3* || :
+        rm /usr/local/bin/pydoc* || :
+        rm /usr/local/bin/python3* || :
         brew update
         brew install bash gnu-getopt cmake boost glfw googletest openexr pybind11 llvm@15 cppunit
         echo "/usr/local/opt/gnu-getopt/bin" >> $GITHUB_PATH
diff --git a/ci/install_macos.sh b/ci/install_macos.sh
index d87920db00..39d89ba191 100755
--- a/ci/install_macos.sh
+++ b/ci/install_macos.sh
@@ -2,6 +2,13 @@
 
 set -x
 
+# Remove Python3 symlinks in /usr/local/bin as workaround to brew update issues
+# https://github.com/actions/setup-python/issues/577
+rm /usr/local/bin/2to3* || :
+rm /usr/local/bin/idle3* || :
+rm /usr/local/bin/pydoc* || :
+rm /usr/local/bin/python3* || :
+
 brew update
 brew install bash gnu-getopt # for CI scripts
 brew install boost