diff --git a/changelog.d/966.misc.rst b/changelog.d/966.misc.rst
new file mode 100644
index 000000000..a6142555b
--- /dev/null
+++ b/changelog.d/966.misc.rst
@@ -0,0 +1,2 @@
+Fix typo in setup.cfg causing PendingDeprecationWarning to not be explicitly
+specified as an error in the warnings filter.
diff --git a/setup.cfg b/setup.cfg
index 94c1fc00f..b2e1f6faa 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -55,7 +55,7 @@ xfail_strict = true
 filterwarnings =
     error
     error::DeprecationWarning
-    error:PendingDeprecationWarning
+    error::PendingDeprecationWarning
 markers =
     gettz
     import_star