diff --git a/NEWS.md b/NEWS.md
index 50322301..04d0d729 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,8 @@
+3.6.7: 2020-4-27 xdis again
+===========================
+
+More upheaval in xdis which we need to track here.
+
 3.6.6: 2020-4-20 Love in the time of Cholera
 ============================================
 
diff --git a/__pkginfo__.py b/__pkginfo__.py
index 40fb0271..4f5be130 100644
--- a/__pkginfo__.py
+++ b/__pkginfo__.py
@@ -58,7 +58,7 @@ entry_points       = {
     ]}
 ftp_url            = None
 install_requires   = ["spark-parser >= 1.8.9, < 1.9.0",
-                      "xdis >= 4.5.0, < 4.6.0"]
+                      "xdis >= 4.5.1, < 4.6.0"]
 
 license            = "GPL3"
 mailing_list       = "python-debugger@googlegroups.com"
diff --git a/appveyor.yml b/appveyor.yml
index f4aa6e2d..cc62745a 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -53,6 +53,7 @@ install:
   # compiled extensions and are not provided as pre-built wheel packages,
   # pip will build them from source using the MSVC compiler matching the
   # target Python version and architecture
+  - "%CMD_IN_ENV% pip install git+git://github.com/rocky/python-uncompyle6.git#egg=uncompyle6-3.6.6
   - "%CMD_IN_ENV% pip install -r requirements.txt"
 
 build_script:
diff --git a/uncompyle6/version.py b/uncompyle6/version.py
index 76eafaeb..277b4db2 100644
--- a/uncompyle6/version.py
+++ b/uncompyle6/version.py
@@ -12,4 +12,4 @@
 #  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 # This file is suitable for sourcing inside bash as
 # well as importing into Python
-VERSION="3.6.6"  # noqa
+VERSION="3.6.7"  # noqa