diff --git a/ci/azure/install.yml b/ci/azure/install.yml
index f1192f4424f..9d9c2df09bf 100644
--- a/ci/azure/install.yml
+++ b/ci/azure/install.yml
@@ -17,7 +17,7 @@ steps:
         --upgrade \
         numpy \
         matplotlib \
-        pandas \
+        pandas=0.26.0.dev0+628.g03c1a3db2 \  # FIXME https://github.com/pydata/xarray/issues/3440
         scipy
     pip install \
         --no-deps \