diff --git a/bin/update_constraints.py b/bin/update_constraints.py
index f021ac42..29870fca 100755
--- a/bin/update_constraints.py
+++ b/bin/update_constraints.py
@@ -85,6 +85,7 @@ for image in images:
         pinned_tag = next(
             tag for tag in tags if tag['images'][0]['digest'] == digest
         )
+        tag_name = pinned_tag['name']
 
     if not config.has_section(image.platform):
         config[image.platform] = {}
diff --git a/cibuildwheel/resources/pinned_docker_images.cfg b/cibuildwheel/resources/pinned_docker_images.cfg
index 97b90758..7cbcab64 100644
--- a/cibuildwheel/resources/pinned_docker_images.cfg
+++ b/cibuildwheel/resources/pinned_docker_images.cfg
@@ -9,7 +9,7 @@ manylinux2010 = quay.io/pypa/manylinux2010_i686:2020-03-07-1825e8f
 manylinux2014 = quay.io/pypa/manylinux2014_i686:2020-03-07-06139da
 
 [pypy_x86_64]
-manylinux2010 = pypywheels/manylinux2010-pypy_x86_64:2020-03-07-1825e8f
+manylinux2010 = pypywheels/manylinux2010-pypy_x86_64:latest
 
 [aarch64]
 manylinux2014 = quay.io/pypa/manylinux2014_aarch64:2020-03-07-06139da